I was wondering how to create an if-then statement that compares two
strings.

I tried an == :

 

> if (a[i,1] == c[j,1]){

> results[k,1] <- a[i,1]

 

where a, c, and results are [3,3] matrices of string values.

 

If anyone could help me, it would be greatly appreciated.  Thank you.

 

R 


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