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Abdulla1
Quartz | Level 8

Hello

I have a datasets that contains over 220 variables (include dummies that represents nominal). however, I would like to create a table that highlights highly correlated data (with |correlation| >60%) only.

as an example, if I ran the following code:

 

data have;
input v1-v7;
cards;
1 4 5 33 6 1 0
9 11 32 5 4 1 0
0 4 5 4 77 0 0
1 2 9 9 5 1 1
;
run;
proc corr data = have OUTP= corr;
var v1-v7;
run;

 

 

if I ran the code above I'll get

Abdulla1_1-1647285295253.png

 

what I'm trying to generate is the following table:

VARIABLE1 VARIABLE2 CORR
V1 V2 0.95
V1 V3 0.99
V2 V3 0.92
V5 V6 -0.99
1 ACCEPTED SOLUTION

Accepted Solutions
PaigeMiller
Diamond | Level 26

Create a list, which only has abs(correlations) above a certain cutoff.

 

EXAMPLE

 

proc corr data=sashelp.class noprob nosimple;
    var age height weight;
    ods output pearsoncorr=corrs;
run;

data want;
    set corrs;
    length variable2 $ 32;
    array r _numeric_;
    do j=_n_+1 to dim(r);
        corr=r(j);
        variable2=vname(r(j));
        if abs(corr)>0.6 then output;
    end;
    keep variable corr variable2;
run;

 

--
Paige Miller

View solution in original post

5 REPLIES 5
Abdulla1
Quartz | Level 8

SORRY i DON'T KNOW WHY THE SAS CODE switched to this form:

here it is again:


data have;
input v1-v7;
cards;
1 4 5 33 6 1 0
9 11 32 5 4 1 0
0 4 5 4 77 0 0
1 2 9 9 5 1 1
;
run;
proc corr data = have OUTP= corr;
var v1-v7;
run;

PaigeMiller
Diamond | Level 26

Create a list, which only has abs(correlations) above a certain cutoff.

 

EXAMPLE

 

proc corr data=sashelp.class noprob nosimple;
    var age height weight;
    ods output pearsoncorr=corrs;
run;

data want;
    set corrs;
    length variable2 $ 32;
    array r _numeric_;
    do j=_n_+1 to dim(r);
        corr=r(j);
        variable2=vname(r(j));
        if abs(corr)>0.6 then output;
    end;
    keep variable corr variable2;
run;

 

--
Paige Miller
Abdulla1
Quartz | Level 8

There are many function that I have never used before here. Thank you very much. I learned a lot from your code

Abdulla1
Quartz | Level 8

that is a great way of visualizing the output. I really appreciate your input. 

thanks

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