Thanks David! I tried this but didn't work. Got a bunch of warning
messages: Warning messages:
1: In `[<-.factor`(`*tmp*`, i, value = 1:52) :
On 4 May 2017 at 02:23, David Winsemius wrote:
>
>> On May 3, 2017, at 11:24 AM, Davide Piffer wrote:
>>
>
> You should look at this result more closely.
> On May 3, 2017, at 11:24 AM, Davide Piffer wrote:
>
You should look at this result more closely. Its length is not the same length
as the number of rows of the target of the attempted assignment.
> unlist(miniblock_cong)
You might try:
red_congruent$miniblock <- ave( red_congruent$subject
Hi Davide,
You wouldn't be dealing with the Stroop test, would you?
stroop.df<-data.frame(subject=rep(paste("S",1:10,sep=""),each=12),
color=rep(c("R","G","B"),40),cong=rep(rep(c("C","I"),each=3),20))
stroop.df$colcong<-paste(stroop.df$color,stroop.df$cong,sep="")
stroop.rc<-stroop.df[stroop.df$c
I need to count the trials in an experiment, separately for each
subject. I thought about using the function "by" but I could not
manage to achieve this. Instead, I tried "split" and I got closer to a
solution but still not getting there yet.
The following code should create a variable "miniblock"
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