Hello,
Please don't post in HTML, it messes up the code and data.
And please use ?dput to post your data:
dput(fa1) # post the output of this.
As for your problem, maybe if you try ?%in%
fa1[sites==1 & birds %in% c(1,23,24,29),]
Hope this helps,
Rui Barradas
Em 27-09-2013 19:20, Mariki Zietsman escreveu:
I have a data frame frugivore.abundance.S1 where some columns are factors and others are
numbers.For example these are my independent variables and "density" is my dependent
variable. census<-c(1:70)sites<-c(1:5)birds<-c(1:45)
I want to select the data where sites is 1 and birds are 1,23,24 or 29
So I write:fa1<-frugivore.abundance.S1attach(fa1)(abund.frug.RN1<-fa1[sites==1
& birds==c(1,23,24,29),])
This code doesn't print all the data it should for some reason. It seems to not print
rows where "density" has the same value as another row with the same criteria.
i.e. if in the original data we have the following then only rows 1 and 3 will
be printed, not all of them:
census sites birds density1 1 1 0.0032
1 1 0.0033 1 1
0.001
Can anyone help me out with this please?
RegardsMariki
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