[R] Substitute list value

[Jessica Streicher]

two things:

- R always counts from 1, not from 0
- listmembers are accessed by using [[ ]] , not [ ]

try 

t1[t==ll[[1]], "v"] <- 99

greetings Jessi


On 11.07.2012, at 15:47, Charles Stangor wrote:

> I can't seem to determine how to get the name of a list member to
> substitute:
> 
> ll <- list("a1" = "a","a2" = "b")
> 
> t1[t==ll[0], "v"] <- 99
> 
> why doesn't this substitute to:
> 
> t1[t=="a", "v"] <- 99
> 
> Thank you!
> 
> 
> 
> 
> -- 
> Charles Stangor
> Professor
> 
> 	[[alternative HTML version deleted]]
> 
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