[R] logical vector of the indices of a string in a vector

[ruipbarradas at sapo.pt]

Hello,

Try

x[grepl("Yes", x) & x != ""]

Hope this helps,

Rui Barradas

 

Citando carol white via R-help <r-help at r-project.org>:

> Hi, it might be trivial but is there any way to get the logical  
> vector of the indices of a string in a vector? I thought that %in%  
> would do but it doesn't. I also want to filter the empty fields.
> Here I want to extract the non-empty elements containing "Yes":x  
> =c("Yes, fsd", "", "No","","Yes, fjsdlf", "")
> x[c("Yes") %in% x & x != ""]character(0)
>
> Above, I wanted to do the 2 following operations in 1. Here with  
> grep,  it works but %in% in above doesn't:y = x[grep("Yes", x)]
>> y = y[y != ""]
>> y
>
> [1] "Yes, fsd"    "Yes, fjsdlf"
> Thanks
> Carol
>
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