https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330719#M271851 Hi Reeza...there is nothing in updates for this. Wed, 08 Feb 2017 07:07:43 GMT ASJ 2017-02-08T07:07:43Z https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330174#M271847 <P class="first-para">Which of the following statements is true about techniques that are used for modifying data and attributes?</P><OL><LI><P class="first-para">You can use PROC DATASETS to modify both data values and variable attributes.</P></LI><LI><P class="first-para">You can use PROC DATASETS to modify only data values.</P></LI><LI><P class="first-para">You can use the DATA step to modify both data values and variable attributes.</P></LI><LI><P class="first-para">You can use the DATA step to modify only variable attributes.</P></LI></OL><P>For above question as in, SAS Advanced programming ver. 3 book in Chapter 22</P><P>&nbsp;</P><P>The answer should be 3 however this book says 1. Can you please let me know the correct answer.</P> Mon, 06 Feb 2017 13:39:25 GMT https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330174#M271847 ASJ 2017-02-06T13:39:25Z https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330175#M271848 The right unswer is 3 - You can use the DATA step to modify both data values and variable attributes. Mon, 06 Feb 2017 13:41:59 GMT https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330175#M271848 Shmuel 2017-02-06T13:41:59Z https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330178#M271849 <P>At most, 3 and maybe 4, as you can use data step to only modify attributes.</P> <P>&nbsp;</P> <P>1 and 2 are false for sure... As far as I know it's not possible to change data values with proc datasets.</P> <P>&nbsp;</P> <P>Daniel Santos&nbsp;@ <A href="http://www.cgd.pt" target="_blank">www.cgd.pt</A></P> Mon, 06 Feb 2017 13:47:37 GMT https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330178#M271849 DanielSantos 2017-02-06T13:47:37Z https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330258#M271850 <P><a href="https://communities.sas.com/t5/user/viewprofilepage/user-id/127586">@ASJ</a>&nbsp;Check the errata for the book to see if there's mistakes.&nbsp;</P> Mon, 06 Feb 2017 18:20:36 GMT https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330258#M271850 Reeza 2017-02-06T18:20:36Z https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330719#M271851 Hi Reeza...there is nothing in updates for this. Wed, 08 Feb 2017 07:07:43 GMT https://communities.sas.com/t5/SAS-Programming/About-Datasets-procedure-and-Data-step/m-p/330719#M271851 ASJ 2017-02-08T07:07:43Z