R combination of variables in heatmap











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I have the following data 1 (excerpt) which I collected in interviews. 1 means the interviewee was affirmative, 0 means not, NA means no answer. Now I want to know for every pairwise combination of variables (R-Skills, C++-Skills, LikesPoetry) the number of affirmative answers in both categories like in this table 2. And lastly, I want to have that table 2 plotted as a heat map in R.



In order to create that table 2 I tried count() from plyr which gives me the frequency when I pass on the combinations in a vector. However, my original table has many more variables.



library(plyr)
count(dta, vars = c("R.Skills", "C...Skills"))

R.Skills C...Skills freq
1 0 0 1
2 1 1 2
3 NA 1 1


Thank you for your help!



Edit: I found a solution. However, a quite complicated one. If you have a more elegant solution please let me know.



I generate the total of each column and put it together into a data frame



rbind(t(cbind(colSums(dta[dta$C...Skills==1,], na.rm = TRUE)))
,t(cbind(colSums(dta[dta$R.Skills==1,], na.rm = TRUE))))










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  • what have you tried so far? please provide a minimal, complete, and verifiable example
    – landru27
    Nov 11 at 19:55










  • @landru27: I edited the original post.
    – user7015
    Nov 11 at 20:27










  • Use dput() to provide us with a sample dataset that we can work with.
    – wl1234
    Nov 11 at 23:21















up vote
-3
down vote

favorite












I have the following data 1 (excerpt) which I collected in interviews. 1 means the interviewee was affirmative, 0 means not, NA means no answer. Now I want to know for every pairwise combination of variables (R-Skills, C++-Skills, LikesPoetry) the number of affirmative answers in both categories like in this table 2. And lastly, I want to have that table 2 plotted as a heat map in R.



In order to create that table 2 I tried count() from plyr which gives me the frequency when I pass on the combinations in a vector. However, my original table has many more variables.



library(plyr)
count(dta, vars = c("R.Skills", "C...Skills"))

R.Skills C...Skills freq
1 0 0 1
2 1 1 2
3 NA 1 1


Thank you for your help!



Edit: I found a solution. However, a quite complicated one. If you have a more elegant solution please let me know.



I generate the total of each column and put it together into a data frame



rbind(t(cbind(colSums(dta[dta$C...Skills==1,], na.rm = TRUE)))
,t(cbind(colSums(dta[dta$R.Skills==1,], na.rm = TRUE))))










share|improve this question
























  • what have you tried so far? please provide a minimal, complete, and verifiable example
    – landru27
    Nov 11 at 19:55










  • @landru27: I edited the original post.
    – user7015
    Nov 11 at 20:27










  • Use dput() to provide us with a sample dataset that we can work with.
    – wl1234
    Nov 11 at 23:21













up vote
-3
down vote

favorite









up vote
-3
down vote

favorite











I have the following data 1 (excerpt) which I collected in interviews. 1 means the interviewee was affirmative, 0 means not, NA means no answer. Now I want to know for every pairwise combination of variables (R-Skills, C++-Skills, LikesPoetry) the number of affirmative answers in both categories like in this table 2. And lastly, I want to have that table 2 plotted as a heat map in R.



In order to create that table 2 I tried count() from plyr which gives me the frequency when I pass on the combinations in a vector. However, my original table has many more variables.



library(plyr)
count(dta, vars = c("R.Skills", "C...Skills"))

R.Skills C...Skills freq
1 0 0 1
2 1 1 2
3 NA 1 1


Thank you for your help!



Edit: I found a solution. However, a quite complicated one. If you have a more elegant solution please let me know.



I generate the total of each column and put it together into a data frame



rbind(t(cbind(colSums(dta[dta$C...Skills==1,], na.rm = TRUE)))
,t(cbind(colSums(dta[dta$R.Skills==1,], na.rm = TRUE))))










share|improve this question















I have the following data 1 (excerpt) which I collected in interviews. 1 means the interviewee was affirmative, 0 means not, NA means no answer. Now I want to know for every pairwise combination of variables (R-Skills, C++-Skills, LikesPoetry) the number of affirmative answers in both categories like in this table 2. And lastly, I want to have that table 2 plotted as a heat map in R.



In order to create that table 2 I tried count() from plyr which gives me the frequency when I pass on the combinations in a vector. However, my original table has many more variables.



library(plyr)
count(dta, vars = c("R.Skills", "C...Skills"))

R.Skills C...Skills freq
1 0 0 1
2 1 1 2
3 NA 1 1


Thank you for your help!



Edit: I found a solution. However, a quite complicated one. If you have a more elegant solution please let me know.



I generate the total of each column and put it together into a data frame



rbind(t(cbind(colSums(dta[dta$C...Skills==1,], na.rm = TRUE)))
,t(cbind(colSums(dta[dta$R.Skills==1,], na.rm = TRUE))))







r rstudio combinations heatmap






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edited Nov 14 at 22:47

























asked Nov 11 at 19:34









user7015

12




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  • what have you tried so far? please provide a minimal, complete, and verifiable example
    – landru27
    Nov 11 at 19:55










  • @landru27: I edited the original post.
    – user7015
    Nov 11 at 20:27










  • Use dput() to provide us with a sample dataset that we can work with.
    – wl1234
    Nov 11 at 23:21


















  • what have you tried so far? please provide a minimal, complete, and verifiable example
    – landru27
    Nov 11 at 19:55










  • @landru27: I edited the original post.
    – user7015
    Nov 11 at 20:27










  • Use dput() to provide us with a sample dataset that we can work with.
    – wl1234
    Nov 11 at 23:21
















what have you tried so far? please provide a minimal, complete, and verifiable example
– landru27
Nov 11 at 19:55




what have you tried so far? please provide a minimal, complete, and verifiable example
– landru27
Nov 11 at 19:55












@landru27: I edited the original post.
– user7015
Nov 11 at 20:27




@landru27: I edited the original post.
– user7015
Nov 11 at 20:27












Use dput() to provide us with a sample dataset that we can work with.
– wl1234
Nov 11 at 23:21




Use dput() to provide us with a sample dataset that we can work with.
– wl1234
Nov 11 at 23:21

















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