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I have a tree structure lists in R (lists of lists of arbitrary depth). This was formed by taking a multidimensional array in R and using the function array_tree from the purrr package. I would like to apply a function to tips of the tree (e.g., a recursive map) without having to flatten the structure.
How can I do this?
I realize that actually the at_depth and vec_depth functions are exactly what I am looking for.
at_depth(a, vec_depth(a))
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I have a problem with the coding of some variables. I am working on data for Lebanon on R on two different datasets, the World Value Survey and the Arab Barometer. Regardless of the dataset I am using, when I try to code a variable referring only to one country (in this case Lebanon), the values of the variable at the end of the coding are entirely wrong.
I have tried the same coding with other variables and with another dataset, but the problem remains, and the values are still much larger than they should be.
As can be seen from the values in the 'table' command, the values after encoding are very different.
As a beginner, I'm sure my question will be trivial, but I'm asking for help to unblock the situation.
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I have been trying to input a two way data table from Excel into R.
I was using read_excel for this purpose, but it is not inputting the table correctly. Any ideas on which code to use?
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I am trying to calculate the standard deviation from scratch in R (I do know R has a build-in function for that), but I'm not getting the correct results, so I don't know what I'm doing wrong.
My.SD<-function(X) {
M<-(sum(X)/length(X))
my.var<-sum((X-M)^2)
StanDev<-sqrt(my.var/length(X))
print(StanDev)
}
I guess you might need to use (length(X)-1) rather than length(x), i.e.,
My.SD<-function(X) {
M<-(sum(X)/length(X))
my.var<-sum((X-M)^2)
StanDev<-sqrt(my.var/(length(X)-1))
print(StanDev)
}
since here it should be sample standard deviation.
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I have a task a bit complicated for my knowledge in R. I need to reproduce this graphic of the figure in R, I performed several searches and could not find anything. The main thing is to be able to reproduce the graphic (it doesn't have to be identical), subtitles are not so important. Any ideas on how to do it or just using another program? Thanks!!
Check also the facet_share() function of the ggpol package, very handy for population pyramids/comparisons
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I am using a function recursively and the function has to update the matrix. I passed the function as an argument, but it seems matrix can only be passed as the pass by value, because the moment program comes out of the scope of function matrix doesn't hold updated values. Since, I have to do multiple updates in the matrix recursively, I have to pass it as a parameter.
Any help is appreciated.
Thanks in Advance