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Contributor

## What is  Peek  Function give me an example

Hi All

I am new to Qlikview

What is  Peek  Function give me an example

plz help.

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• ### What is  Peek  Function give me an example

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Valued Contributor

## Re: What is  Peek  Function give me an example

Hi,

You can use it to create running totals in script, so for example the following;

Comes from the toy script;

data:
Year, Month, Sales, Production
2016, Jan, 1000, 1500
2016, Feb, 800, 1300
2016, Mar, 600, 1400
2016, Apr, 900, 1500
2016, May, 500, 1400
];

data_final:
NoConcatenate
RowNo() as row_no,
If(RowNo()=1,0,peek('Stock_Open')+Previous(Production)-Previous(Sales)) AS Stock_Open,
*
Resident data;

drop table data;

Cheers,

Chris.

2 Replies
Highlighted
Valued Contributor

## Re: What is  Peek  Function give me an example

Hi,

You can use it to create running totals in script, so for example the following;

Comes from the toy script;

data:
Year, Month, Sales, Production
2016, Jan, 1000, 1500
2016, Feb, 800, 1300
2016, Mar, 600, 1400
2016, Apr, 900, 1500
2016, May, 500, 1400
];

data_final:
NoConcatenate
RowNo() as row_no,
If(RowNo()=1,0,peek('Stock_Open')+Previous(Production)-Previous(Sales)) AS Stock_Open,
*
Resident data;

drop table data;

Cheers,

Chris.

Highlighted
Partner

## Re: What is  Peek  Function give me an example

The PEEK function is used to fetch the data present in any table available in your data model if you specify the table name and the number where the data is present.

If you did not specify any table name by default peek function will gives the previous row value as a result.

Kindly refer this help link which contains brief explanation and example https://help.qlik.com/en-US/sense/November2019/Subsystems/Hub/Content/Sense_Hub/Scripting/InterRecor...