https://community.qlik.com/t5/QlikView/Checking-for-Duplicate-Values-in-a-Field/m-p/1582991#M443046 Great day<BR />You can count if exists reincidence with this code in script<BR /><BR />IF(PEEK([x])=[x],PEEK([cont x])+1,0) as [cont verify x] Tue, 21 May 2019 20:55:49 GMT mrtinsjoao 2019-05-21T20:55:49Z https://community.qlik.com/t5/QlikView/Checking-for-Duplicate-Values-in-a-Field/m-p/1580995#M442878 <P>Hello Friends</P><P>&nbsp;</P><P>I have a field - Mobile Number.&nbsp; In case a mobile number&nbsp; in current quarter is also available upto the end of previous quarter I want to mark them as Duplicate.</P><P>Kindly help to achieve above result.</P><P>&nbsp;</P><P>Thanks &amp; Regards</P><P>Santhana</P> Thu, 16 May 2019 11:25:55 GMT https://community.qlik.com/t5/QlikView/Checking-for-Duplicate-Values-in-a-Field/m-p/1580995#M442878 santhana 2019-05-16T11:25:55Z https://community.qlik.com/t5/QlikView/Checking-for-Duplicate-Values-in-a-Field/m-p/1582991#M443046 Great day<BR />You can count if exists reincidence with this code in script<BR /><BR />IF(PEEK([x])=[x],PEEK([cont x])+1,0) as [cont verify x] Tue, 21 May 2019 20:55:49 GMT https://community.qlik.com/t5/QlikView/Checking-for-Duplicate-Values-in-a-Field/m-p/1582991#M443046 mrtinsjoao 2019-05-21T20:55:49Z