Have a csv file having 25 columns d1 to d25
Trying to do a loop aginst the columns
scalar lo1=d1
scaler lo2=d2
.
.
.
.
.
scaler lo25=d25
Loop k=lo1..lo6
Loop m=lo6..lo12
but give a error
directly loop k=d1..d6 also give error
how to reference the columns