Peek Function In Qlikview

It is useful in analyzing how the events actually happened versus the planned events. Before that if you didn't get a chance to have a look on my previous Post on one of the QlikView function Dual(), You may have a look at here. If you want to retain the same behavior as in QlikView 11. If modified date/updated date field is not present in the data base then we can create database on update trigger to create a separate table with primary key and updated date. A Map is held in the memory until the script runs. Wheres QlikView Rangesum function let’s you perform additions on the rolled over data value or any selected lot. When this occurs, QlikView can't make any matches within the data and so outputs all possible combinations of the records in both tables. In the syntax diagrams for SQL functions, arguments are indicated by their datatypes. The Qlikview Fieldname is assumed to be the same. Please share: Twitter. on September 25 2019. 450; [email protected] It helps people find deeper insights by harnessing human intuition and machine intelligence during the analytics process. I always go home with. The data for the Peek() function is loaded from the previously loaded table in the associative QlikView database. training QlikView Rank function allows you to rank the data based on different criteria, QlikView Peek function gives you a column of data rolled over from the previous columns so that you can do a comparative analysis. Qlikview - Developer 2 Day Enquire About This Course. mixmatch() works just like match() except it does a case insensitive comparision. Why is this good? It's good because you want data to behave as expected. Functions are grouped by the datatypes of their arguments and their return values. My Insanity programs will all be some shade of Orange, etc. The QlikView document used to illustrate this blog post can be downloaded from here: Qlik Community Accumulate Values in the Data Model. October 26, 2015 This post will demonstrate the difference between Previous and Peek function in Qlikview. The implementation of variables and dollar sign expansion in QlikView and Qlik Sense is incredibly flexible and can be used to great effect in load scripts. You can use FirstSortedValue both in the script and user interface (UI) of QlikView, this post focuses on the script element. Returns an integer for …. Unlock the meaning of your data with QlikView The Qlik platform was designed to provide a fast and easy data analytics tool, and QlikView Your Business is your detailed, full-color, step-by-step guide to understanding Qlikview's powerful features and techniques so you can quickly start unlocking your data's potential. This article describes why SQL is important for QlikView developers. • Used QlikView Functions (Date and Time, Join, Aggregation, Range, Ranking, Peek, Previous etc. At the Masters Summit for Qlik, I dive into several different methods of creating reusable script and custom functions. wildmatch() is another form that can be particularly useful. In this session we have discussed about Peek() and Previous() in detail. With the above data loaded into QlikView's memory, we edit the script to add a new column, which will give a rolling sum of the month wise sales volume. Active 5 years, 3 months ago. Propagate the value of "Rate" downwards to all records that have NULL in the "Rate" field, using the Peek() function. Please help me with most common technical questions related with Qlikview. Hello I have a problem with a Peek Function. The function takes one mandatory parameter, the field name into which we will "peek", and two optional parameters, a row reference. This returns the field value from a specific field. Negative numbers indicate order from the end of the table. In this video I’ve gone through the basic properties of the slider object and when and where it can be useful in your dashboard. Data are fetched directly from the input source, making it possible to refer also to fields that have not been loaded into QlikView, that is,even if they have not been stored in its associative database. It comes under advanced Aggregation and provides great flexiblity to the developer and user. Don't get caught in the gap between data and knowledge - find out how QlikView can help you unlock insights and data potential with ease. I'm looking for a way to completely disable Aero Peek, at least this is what I think this feature it's called, in windows 10. In the old days QlikView developers could get around a less than perfect data structure with clever expressions. Not sure if this was by design, but the Peek function works on links in my emails. On demand app generation (ODAG) addresses the big data problem but requires some special techniques involving the exchange of more information than can be sustainably handled in a URL. In particular it's deepening the divide between CIOs and CFOs, especially in the UK. The Peek function is an inter-record function that allows us to literally peek into previously-read records of a table and use its values to evaluate a condition or to affect the active record (the one being read). The alt() function returns the first value passed to it that is numerical, and because a true date in QlikView is a dual value (part of which is a number) we can use it to return the first date#() format that manages to create a true date. Master Calendar in QlikView. Learn Qlikview from BigClasses. The Peek function is an inter-record function that allows us to literally peek into previously-read records of a table and use its values to evaluate a condition or to affect the active record (the one being read). The ability to work on QlikView and QlikSense would be advantageous. Given below is a sample list of Aggregate functions. This function takes 3 parameters: table name in single quotes; the record you want to fetch (0 means the first loaded record, -1 means the last one, -2 the second last one). It might be a little tricky, but can be achieved with the help of variables and functions. The row number can be specified, as can the table. Here, I am using a simple function to read the file names in a folder. In the example, we have a table "FileListTable:" with two fields Date1 and FilNme. So please view them in 1080 or 720P (HD) for best quality. RecNo() :- RecNo works on input of the load statement. Experience of extracting, manipulating and joining data from multiple sources. Trendlines: In selected QlikView charts expression plots can be complemented or replaced by statistical trend lines. The Peek function is an inter-record function that allows … - Selection from QlikView 11 for Developers [Book]. on September 25 2019. I try to load this from management console (I attached a Script and log), but peek function lost the value in a console. In older QlikView versions you could use the Peek function in a text object but that isn't allowed any longer. In this case, we are looking in the [MinDate] and [MaxDate] fields at record position “ 0 ” (we count rows using zero-based numbering, where the first row in the table is row zero. Features of QlikView Mapping. Functions are grouped by the datatypes of their arguments and their return values. Well using various functions and features of QlikView such as: • CrossTable Load of Excel spreadsheet • IsNull() function • RowNo() function • Peek() function • Date functions • Preceding load We can create a trial balance sheet that looks like this:. There are several conditional functions in QlikView that can be used in the frontend to give our charts a higher level of flexibility in terms of handling and presenting the data, both in expressions and dimensions. It comes under advanced Aggregation and provides great flexiblity to the developer and user. Save the data with file name monthly_sales. training QlikView Rank function allows you to rank the data based on different criteria, QlikView Peek function gives you a column of data rolled over from the previous columns so that you can do a comparative analysis. First a Mapping table is created and then a Map is applied on it. We are going to see one such string function Subfield() in this post. Qlikview - Peek() function in FOR loop not working. Medicine is now a technology business and the gloves are off (well actually, the disinfected gloves are on in this case) as the IT industry now strives to provide software tools for this space. ) and Created Variables using LET, SET or control statements in the scripts. The expression can contain nested previous() functions in order to access records further back. I tried TaskbarThumbsTuner but it didn't do what I was looking for. Follow us on:. The Peek function is an inter-record function that allows us to literally peek into previously-read records of a table and use its values to evaluate a condition or to affect the active record (the one being read). Peek() function can also most usable in for loop in qlikview. The previous() and peek() functions could be used when a user needs to show the current value versus the previous value of a field that was loaded from the original file. Peek() Function: Peek() function points the Nth row value of a field from a particular table based on a load order. However, as first timers, we might miss on one of the specific use cases of this function & hence I thought, I will jot. a quoted literal). Before that if you didn't get a chance to have a look on my previous Post on one of the QlikView function Dual(), You may have a look at here. Intellipaat. I have table. Everyone loves cumulative values on a chart and they're are possible with an expression using the above function. Peek() function allows you to select any record that's been already loaded. The Peek() function can be used in a load to retrieve data from the same table or from another table. But for about 1 1/2 years "my" concept seems to be stable. Also, QV will not display true null values in the app layer. Match() Function In QlikView 3/27/2014 2:32:46 PM. First a Mapping table is created and then a Map is applied on it. The row number can be specified, as can the table. These are the Previous() and Peek() functions. Also, we saw row functions, column functions, field functions, pivot table functions, data load script functions. It is useful in analyzing how the events actually happened versus the planned events. You can either nest functions, or use preceding loads to obtain what you wish. ) and Created Variables using LET, SET or control statements in the scripts. In this video we will look at the scripting function - Peek() in QlikView. You can extract data from db and store it in a QVD. Master Calendar in QlikView. QV is more precise in how it handles Nulls than other Data Discovery Analytics tools. So my P90X programs will always be some shade of gray. SQL Server 2012 introduces new analytical functions FIRST_VALUE() and LAST_VALUE(). Today I will show you how to store variables and their definitions in an external file… and why you would want to do that. So test the function before including it in the set analysis. The functions are applied to the columns when creating the load script. Viewed 5k times 1. QlikView Incremental Load. Before that if you didn't get a chance to have a look on my previous Post on one of the QlikView function Dual(), You may have a look at here. First a Mapping table is created and then a Map is applied on it. When you go into the Fields tab in the Assets panel, you will see a tab for Date & Time fields. Negative numbers indicate order from the end of the table. This function takes 3 parameters: table name in single quotes; the record you want to fetch (0 means the first loaded record, -1 means the last one, -2 the second last one). Optional parameter; the name of the referred table. So please view them in 1080 or 720P (HD) for best quality. QlikTip #25: How do you organize your QlikView projects in your file system? In the last three years I have quite often changed my standard concept of structuring my (customers') QlikView projects in the file system. Here, we will learn about what is QlikView Data Load and different ways to implement data loading in QlikView: Resident Load, Preceding Load, Binary Load, Buffer Load, Add load and Incremental Load in QlikView. If we pass a number '0' then it fetches the 1 st loaded value of a provided field in load order, If we pass '1' then it fetches 2 nd loaded value and so on. The Primary Key column of the Qlikview table. Fast Tensors in Clojure - a Sneak Peek You can adopt a pet function! Support my work on my Patreon page, and access my dedicated discussion server. QlikView Developers have long used load order sorting to provide a custom or business rule driven sort order. My Insanity programs will all be some shade of Orange, etc. In older QlikView versions you could use the Peek function in a text object but that isn't allowed any longer. Doing this manually takes a lot. Today I will show you how to store variables and their definitions in an external file… and why you would want to do that. Peek is output and previous is input dependent function. In this post I show how and give a recipe for a NetworkDays function that excludes public holidays. Merging forces On their own, the Order By statement and the Peek function are already powerful. Qlikview Course Content Introduction to Qlikview Introduction to the concepts of Business Intelligence, learning about QlikView, the unique features of QlikView that make it the market leader, comparison to other BI tools, the complete overview and architecture of QlikView, studying the various file types and extensions. Real life situation – variables to my rescue! I started using QlikView some time in early 2012 and I fell in love with it. More information. `Expected result - I want to populate missing dates and peek each ID and their value until the next Date. The function takes one mandatory parameter, the field name into which we will "peek", and two optional parameters, a row reference. Peek () Function In QlikView Application. Let us consider the monthly sales figure as shown below. A peek at the data in the Concatenated table will make it clear why the chart is now correct. Mapping Table are like Lookup Function which takes an input value, checks if this value exists in a mapping table and returns it to 2nd column of the mapping table. Answer Wiki. Summary: I introduce qcb-qlik-sse, a community Server Side Extension to share custom Qlik functions. The Peek() function can be used in a load to retrieve data from the same table or from another table. Some of the logical records span more than one row and I need a way to peek at the next. The row number can be specified, as can the table. Input Data Let us consider the monthly sales figure as shown below. Here are a few tips and tricks which can make working with Nulls in QlikView a little simpler. `Expected result - I want to populate missing dates and peek each ID and their value until the next Date. - Aggr() function is similar to Group by function in Sql. QlikView Developers have long used load order sorting to provide a custom or business rule driven sort order. Peek function is very useful while creating a calendar. Mapping Table are like Lookup Function which takes an input value, checks if this value exists in a mapping table and returns it to 2nd column of the mapping table. I chose to solve this in the script by using the inter-record function Previous() and Peek(). You can use FirstSortedValue both in the script and user interface (UI) of QlikView, this post focuses on the script element. For this, we also take the help of the peek function discussed in the earlier chapter to hold the value of the previous record and add it to the sales volume. The table can be dropped when finished. In this video I've gone through the basic properties of the slider object and when and where it can be useful in your dashboard. There is a new data engine, QIX, that stores the data in a format more columnar than that of QlikView. The function takes one mandatory parameter, the field name into which we will "peek", and two optional parameters, a row reference. QlikView can load data from tables already existing in its RAM, which is already processed by a script. Visual studio code is one such code editor that extends support to the python programming language using the python extension. This expert author team. Real life situation – variables to my rescue! I started using QlikView some time in early 2012 and I fell in love with it. In this article, we will learn about how we can use. As with most things in QlikView, this challenge can be solved in multiple ways. Optional parameter; the name of the referred table. Do you know what is QlikView Keep Functions?. Input Data. There are several conditional functions in QlikView that can be used in the frontend to give our charts a higher level of flexibility in terms of handling and presenting the data, both in expressions and dimensions. 0 denotes the first record, 1 the second and so on. For a group of Qlikview Script developers, the question may be "what's the fastest script to get max value of a field from a QVD?". Using multiple functions in the same field in QlikView. Merging forces On their own, the Order By statement and the Peek function are already powerful. The row number can be specified, as can the table. The script function Peek is well documented in the QlikView help section. The function takes one mandatory parameter, the field name into which we will "peek", and two optional parameters, a row reference. Building an Average Row or Column in a QlikView Pivot Table By: George Simply using the RowNo() function nested with an IF() statement will give you full control of the Total row or column in a Pivot Table to use as you wish. Stored data is typically in QVD files or a QVW which is used for a binary load. More information. Another interesting and powerful, but not often used function I like is Correl(). 237 Guide Pro ! C’est Quoi ? Nos Services; 237 Guide Pro sur GSM & Tablette. His ability to pace himself and the class, his subject matter expertise, patience, communication, steadfastness, ad hoc troubleshooting ability and cheerful. • Created Aggregations, calculated Fields, Table calculations, Totals, percentages with QV Functions (concatenate, Peek, Previous, Apply map, Interval Match, Keep, Join etc. How to use static data reduction using a loop and reduce in QlikView. Luckily, QlikView has a simple interpretation function that solves this problem for us. Read all of the posts by ramqliks on Qlik school. QlikTip #25: How do you organize your QlikView projects in your file system? In the last three years I have quite often changed my standard concept of structuring my (customers') QlikView projects in the file system. Delegates will learn:. Do you know what is QlikView Keep Functions?. 20+ and Qlik Sense functions; Highlighting of all QlikView v11. August 26, 2019. This expert author team. Here in this section of the QlikView tutorial you will learn about charts, bar, pie, creating a simple bar chart, removing a chart, changing its properties, turning pie chart into bar chart, turning chart into multidimensional pivot table, adding expression to bar chart and more. It comes under advanced Aggregation and provides great flexiblity to the developer and user. Using ApplyMap() Function with Mapping Load in QlikView. The row number can be specified, as can the table. When this occurs, QlikView can't make any matches within the data and so outputs all possible combinations of the records in both tables. Check out the derive functions for building calenders in Qlik Sense. - Aggr() function is similar to Group by function in Sql. Lookup Table Table Names Just In Case Watch Video. Aggr function in QlikView Aggr function is a very powerful function in QlikView. peek (fieldname [ , row [ , tablename ] ] ) Returns the contents of the fieldname in the record specified by row in the input table tablename. Qlik Sense. This expert author team. • Used QlikView Functions (Date and Time, Join, Aggregation, Range, Ranking, Peek, Previous etc. If you are a complete newbie to QlikView, you should first learn the basics from our learning path - Resource to learn Qlikview from scratch and become an expert. Match() Function In QlikView 3/27/2014 2:32:46 PM. In this QlikView online training, you will learn the skills needed for data interpretation, modeling, designing, and deploying. In this video we will look at the scripting function - Peek() in QlikView. If the records are randomized when being pulled into Qlikview our date ranges can be incorrect. In this article, we will learn about how we can use. This function takes 3 parameters: table name in single quotes; the record you want to fetch (0 means the first loaded record, -1 means the last one, -2 the second last one). Building an Average Row or Column in a QlikView Pivot Table By: George Simply using the RowNo() function nested with an IF() statement will give you full control of the Total row or column in a Pivot Table to use as you wish. Well, QlikView offers the developer the Bundle function that can be added to the Load statement. The table can be dropped when finished. New books are available for subscription. Qlikview is one of the most popular business intelligence software. QlikView Data Load - Objective. Given below is a sample list of Aggregate functions. The ability to work on QlikView and QlikSense would be advantageous. File Name The name of the file from which the fields are to be retrieved. 450; [email protected] QlikView is case sensitive for the field names: if you write TimeKey instead of TimeKEY, you will get 0. Using multiple functions in the same field in QlikView. 3 which provides re-usable test logic to reduce maintenance and improve test coverage. One of these is the datetime object which has several functions to allow the manipulation and parsing of dates - something that will be done in an ETL environment quite frequently. The Qlikview Fieldname is assumed to be the same. Match() Function In QlikView 3/27/2014 2:32:46 PM. In this session we have discussed about Peek() and Previous() in detail. Vlad Gutkovsky Infinity Insight. When I hover a set of tasks that are combined together I a hover one of the tasks then all the windows other than the one that I hover disappear and. Now, I could have used the peek() function directly against the Orders table, but a reason against this is there is no guarantee that the first and last record are the min and max dates. The Peek function is an inter-record function that allows us to literally peek into previously-read records of a table and use its values to evaluate a condition or to affect the active record (the one being read). In the QlikView script, the algorithm would look like the following: TempTable_Rates: Load Date , Rate From Rates ; MinMaxDate: Load Min ( Date ) as MinDate , Max ( Date ) as MaxDate resident TempTable_Rates; Let vMinDate = Peek ('MinDate',-1,'MinMaxDate') - 1; Let vMaxDate = Peek ('MaxDate',-1,'MinMaxDate') ;. It currently supports the following features: Highlighting of all QlikView v11. This function takes 3 parameters: table name in single quotes; the record you want to fetch (0 means the first loaded record, -1 means the last one, -2 the second last one). Peek - script function Peek() finds the value of a field in a table for a row that has already been loaded or that exists in internal memory. Nothing - Optimal way to handle nothing/nulls in Qlikview Welcome to my inaugural QlikNiques BLOG article. In the example above, if you define a variable with Peek('Value',0,'Dim') then 432 will be returned by the function: let vPeek = Peek('Value',0,'Dim'); The variable has to be declared with LET because is something that need to be evaluated. It always return single value. Vlad Gutkovsky Infinity Insight. Peek function is very useful while creating a calendar. Here is it's syntax: Peek( FieldName, Row Number, TableName) This function returns the contents of given field for a specified row from the internal table. 0 denotes the first record, 1 the second and so on. Data are fetched from the associative QlikView database. Hello I have a problem with a Peek Function. The functions are applied to the columns when creating the load script. QlikTip #25: How do you organize your QlikView projects in your file system? In the last three years I have quite often changed my standard concept of structuring my (customers') QlikView projects in the file system. Negative numbers indicate order from the end of the table. In this Data & Tools QlikView Tutorial video I’ve talked about how you can combine match and pick function and achieve efficiency in scenarios like where you need to have different calculations for different dimension values using QlikView Expressions. In the first part of this article we saw what it was an incremental load and how it’s done using a technique that meets most of the situations that we can find. At the Masters Summit for Qlik, I dive into several different methods of creating reusable script and custom functions. v_SPECIFICATION, not $(v_SPECIFICATION) (but not variable $(i), why???). Wheres QlikView Rangesum function let’s you perform additions on the rolled over data value or any selected lot. mixmatch() works just like match() except it does a case insensitive comparision. The Pick() function can be used with a script and user interface. Step 1: Open the QlikView application It is the first step, in this step you need to open the QlikView application then. If we take the above example but rename Field2 in the second table by mistake so it no longer matches the first table like this:. How to Use QlikView Rangesum() Function? Load the script in the script editor and edit the code to apply the Rangesum function on the fields. In three, in-depth sessions, Business Intelligence architect and MDX expert Bill Pearson will focus on the basic components of MDX, as well as provide information on crafting simple MDX. QV is more precise in how it handles Nulls than other Data Discovery Analytics tools. 450; [email protected] On the surface, these are 2 straightforward functions but don't be fooled; they are both powerful functions in their own right but their usage and flexibility is not widely appreciated. 20+ and Qlik Sense keywords and statements. This type of function can be used in the script and UI. Fieldname must be given as a string (e. This function takes 3 parameters: table name in single quotes; the record you want to fetch (0 means the first loaded record, -1 means the last one, -2 the second last one). Features of QlikView Mapping. In this post I cover key lessons learned (including recommended syntax) from delving into the world of nothingness and nulls as it relates to QlikView (QV). QlikView is one of the most flexible and powerful business intelligence platforms around, and if you want to transform data into insights, it is one of the best options you have at hand. Using Peek and Previous to calculate against loaded records Previous is an excellent function to be able to use in a QlikView script, because it allows us to look back at previous source records. Returns an integer for …. Peek function: Peek function requires table name and field name; both names have to be enclosed in a single quote. Hello I have a problem with a Peek Function. Row must be an integer. @param 3 String. Fieldname must be given as a string (e. ApplyMap in QlikView is generally the best approach then. Peek() function can also most usable in for loop in qlikview. Qlik Sense allows you to explore simple and complex data to reveal hidden insight and data relationships that help you make quality decisions for overall productivity. `Expected result - I want to populate missing dates and peek each ID and their value until the next Date. You will work on real-life projects in our QlikView course which is in line with QlikView Developer Certification exam conducted by Qlik. Well using various functions and features of QlikView such as: • CrossTable Load of Excel spreadsheet • IsNull() function • RowNo() function • Peek() function • Date functions • Preceding load We can create a trial balance sheet that looks like this:. The peek() function in QlikView is used to fetch the value of a field from a previous record and use it in calculations. Here, I am using a simple function to read the file names in a folder. QlikView can load data from tables already existing in its RAM, which is already processed by a script. Peek() Function In QlikView Application 5/5/2014 11:35:21 PM. For this, we also take the help of the peek function discussed in the earlier chapter to hold the value of the previous record and add it to the sales volume of the current record. The “Peek” function allows us to look inside of a table and see what is located at a particular record position. The example of a scenario where it is used is in the assembly lines of the production houses where the belts are planned to run at certain times and for. Note: From QlikView 12. For a one-row table use zero to indicate the first row. In the example, we have a table "FileListTable:" with two fields Date1 and FilNme. However, as first timers, we might miss on one of the specific use cases of this function & hence I thought, I will jot. To start with the last part, in my opinion it is important to apply calculations and business rules consistently across QlikView applications. Lookup Table Table Names Just In Case Watch Video. In this case, we are looking in the [MinDate] and [MaxDate] fields at record position “ 0 ” (we count rows using zero-based numbering, where the first row in the table is row zero. 55m×1m シルバー,キジマ hd-01392 ライセンスブラケットキット xl1200x/v ledスリムテール対応. QlikView Expressor comes with a programming language, called Lua, to which they have added their own objects and functions. Learn Qlikview from BigClasses. Previous. Healthcare Infor aims to improve operational efficiency in healthcare by consolidating clinical business data. Creating a Self Service Report for QlikView; 5 Essential Tools for Every Qlik Developer; QlikView and On Demand App Generation (ODAG) Building an Average Row or Column in a QlikView Pivot Table; QlikView's Previous() and Peek() are not the same. a quoted literal). In above code, I have used Peek() function to store maximum of modified date. The example of a scenario where it is used is in the assembly lines of the production houses where the belts are planned to run at certain times and for. In QlikView we have the ability to write custom functions using VbScript/Jscript in the qvw Module. Check out the derive functions for building calenders in Qlik Sense. The previous() and peek() functions could be used when a user needs to show the current value versus the previous value of a field that was loaded from the original file. Input Data. I'm looking for a way to completely disable Aero Peek, at least this is what I think this feature it's called, in windows 10. In older QlikView versions you could use the Peek function in a text object but that isn't allowed any longer. QlikView gives us two functions to play with to create synthetic dimensions. ApplyMap is a lookup function in Qlikview. Intellipaat. Peek() function can also most usable in for loop in qlikview. The script function Peek is well documented in the QlikView help section. Row must be an integer. However, the inference engine is still the same (green, white, and gray). QVDs in QlikView. Returns the contents of the fieldname in the record specified by row in the input table tablename. Use this Learning Path, to explore the many features of QlikView to realize the potential of your data and present it as impactful and engaging visualizations. I running it from my qlikview desktop and work properly, Thanks. 3 which provides re-usable test logic to reduce maintenance and improve test coverage. JOIN and CONCATENATE are both very useful and frequently used functions in Qlikview. The implementation of variables and dollar sign expansion in QlikView and Qlik Sense is incredibly flexible and can be used to great effect in load scripts. Nevertheless, I'd like to say that Calendar generation is already a builtin function in Qlik Sense since 1. Well, QlikView offers the developer the Bundle function that can be added to the Load statement. The ability to work on QlikView and QlikSense would be advantageous. You will work on real-life projects in our QlikView course which is in line with QlikView Developer Certification exam conducted by Qlik. QlikView Expressor comes with a programming language, called Lua, to which they have added their own objects and functions. If that is a unique field name then you could also use the FieldValue function to retrieve the value from the first field value. The INDEX() returns a value or the value reference from a table. Qlikview - Mind the gap Published on March 11, 2016 March 11, To fix this problem we can persist the Population data into missing years using the Qlikview Peek function during the scripted. The Pick() function works just the same as the INDEX() function of Excel. The functions are applied to the columns when creating the load script. Peek() function can also most usable in for loop in qlikview.