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gsreddy
Fluorite | Level 6

Hi All,

Do we have any function in SAS to mask the numbers?

 

i Have a variable name Ph_num like below:

 

Input:

 

Ph_Num:

9876543210

 

required Output:

98765xxxxx

 

 

4 REPLIES 4
RW9
Diamond | Level 26 RW9
Diamond | Level 26

What are the rules for masking as:

want=cats(substr(ph_num,1,5),repeat('x',lengthn(ph_num)-5));

Should work for your given example.  Or you could loop over the string etc.

gamotte
Rhodochrosite | Level 12

Hello,

 

I'm not very at ease with picture formats but i think this works :

 

proc format;
    picture mask
        0-9999999999 ='99999XXXXX' (mult=0.00001);
run;

data _null_;
    format a b mask.;
    a=9876543210;
    b=0012345678;
    put a= b=;
run;
RW9
Diamond | Level 26 RW9
Diamond | Level 26

The only thing I would say there is that it doesn't change the underlying data, take the format away and the number displays as before.

gamotte
Rhodochrosite | Level 12
Yes, it depends whether the goal is to store masked number or only use masks for publications. If the latter, using a format can be a solution.

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