Pivot like number manipulation in R -


i trying nest 2 subset data inside aggregate. returns different length of data , hence unable compute. options have?

newfile<- aggregate(cbind(subset(iva,iva$ivr.agent =="agent"),subset(iva,iva$ivr.agent=="ivr")) ~ iva$orderno, fun = length, rm.action = true)

below error got

error in data.frame(..., check.names = false) :    arguments imply differing number of rows: 25039, 4585

i trying make pivot table show agent count , ivr count in separate columns in excel, if specific order there no ivr shows null otherwise count.

dataset looks this

orderno ivr/agent     a1  ivr     b1  agent     a2  agent     b2  ivr     a3  agent     b3  agent     a4  agent     b4  agent     a5  ivr     b5  agent

pivot

so, wanna check out reshape2 package , cast function. check out code below:

# install.packages('reshape2') # run if haven't downloaded before library(reshape2)  datcast <- dcast(dat, orderno ~ ivr.agent, fun.aggregate = length, margins = t)  datcast    orderno agent ivr (all) 1       a1     0   1     1 2       a2     1   0     1 3       a3     1   0     1 4       a4     1   0     1 5       a5     0   1     1 6       b1     1   0     1 7       b2     0   1     1 8       b3     1   0     1 9       b4     1   0     1 10      b5     1   0     1 11   (all)     7   3    10

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