oops, that should have been:
by(data$Z,data[,c("X","Y")],summary)
Jim
On Tue, May 26, 2020 at 9:00 AM Jim Lemon wrote:
>
> Hi Jamie,
> Your seem to want some descriptive statistic applied to subsets of
> your data frame "data" (maybe a more imaginative name would help).
> I'll guess that your d
Hi Jamie,
Your seem to want some descriptive statistic applied to subsets of
your data frame "data" (maybe a more imaginative name would help).
I'll guess that your data frame contains variables X, Y and Z among
others. Further, I'll guess that you want the summaries of variable Z
subset by Y and X
Hello,
Inline.
Às 13:26 de 25/05/20, Burgess, Jamie escreveu:
Dear all,
I hope this message finds you well. I am currently trying to subset my data by two variables, so far, I have tried two different ways to stratify participants into groups.
I don't understand what you mean by this, do yo
Yes. In particular:
data$variable==1 & data
makes no sense (data is a data frame). A typo perhaps? Or as Richard
indicated, consult references/tutorials to learn proper syntax for
(vectorized) predicates.
Bert Gunter
"The trouble with having an open mind is that people keep coming along and
sti
I think the syntax you are looking for is
datasubset <- data[ data$A ==1 & data$B == 1 , ] )
This gives the subset of your original data for variable A with value
1 and variable B with value 1.
On Mon, May 25, 2020 at 12:57 PM Burgess, Jamie
wrote:
>
> Dear all,
>
> I hope this message finds
Dear all,
I hope this message finds you well. I am currently trying to subset my data by
two variables, so far, I have tried two different ways to stratify participants
into groups. I would like to use the �summary� and �table� arguments to
characterise the data of participants based on the pre
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