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Tecla1
Quartz | Level 8

Buongiorno a tutti,

devo creare una colonna che contenga la differenza tra un dato ed il suo precedente, ho provato con "retain" ma non riesco, potete aiutarmi?

Grazie ·

Tecla1_0-1639656144946.png

 

 

 

·

1 ACCEPTED SOLUTION

Accepted Solutions
Rick_SAS
SAS Super FREQ

Buongiorno,

Usa la funzione DIF.

 

data Have;
input RET_TOT;
datalines;
154
194
681
186
078
133
522
943
430
733
;

data Want;
set Have;
retain Differenza;
Differenza = dif(RET_TOT);
if Differenza = . then Differenza = 0;
run;

proc print; run;

View solution in original post

2 REPLIES 2
Rick_SAS
SAS Super FREQ

Buongiorno,

Usa la funzione DIF.

 

data Have;
input RET_TOT;
datalines;
154
194
681
186
078
133
522
943
430
733
;

data Want;
set Have;
retain Differenza;
Differenza = dif(RET_TOT);
if Differenza = . then Differenza = 0;
run;

proc print; run;
Tecla1
Quartz | Level 8
Many Tnks!!! IT's more symple than I could think.
Have a nice afternoon!!!
Tecla

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