[R] turning list into vector/dataframe

Melissa2k9 m.mcquillan at lancaster.ac.uk
Fri Apr 10 10:03:57 CEST 2009


Hi,

I have used this command :

resamples<-lapply(1:1000,function(i) sample(lambs,replace=F))
resamples2<-lapply(resamples,Cusum)

to get a list of 1000 samples of my data. The function Cumsum is defined as
follows:

Cusum<-function(x){
SUM<-cumsum(x)-(1:length(x))*mean(x)
min<-min(cumsum(x)-(1:length(x))*mean(x))
max<-max(cumsum(x)-(1:length(x))*mean(x))
diff<-max-min
ans<-c(min,max,diff)
ans
}


where lambs is a vector of temperatures.

An example of part of my list is:

[[998]]
[1] -5.233176  6.903034 12.136210

[[999]]
[1] -9.296690  1.516233 10.812922

[[1000]]
[1] -1.502066e+01 -4.547474e-13  1.502066e+01

Now I want to convert this list into a dataframe so for example 1000 rows
with col names Min, Max and Diff. My supervisor said I first had to turn
this into a vector but I don't seem to be able to do that!

Any ideas on how to turn this list into a dataframe would be really
appreciated :) Thanks in advance

Melissa
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