Re: [R] problem with function that adds rows to dataframe based on conditional statement

2015-03-09 Thread PIKAL Petr
elp [mailto:r-help-boun...@r-project.org] On Behalf Of Curtis > Burkhalter > Sent: Friday, March 06, 2015 10:01 PM > To: Tom Wright > Cc: r-help@r-project.org > Subject: Re: [R] problem with function that adds rows to dataframe > based on conditional statement > > Hey Tom,

Re: [R] problem with function that adds rows to dataframe based on conditional statement

2015-03-06 Thread Curtis Burkhalter
Hey Tom, This solution works great, but if I try to then insert it in my function that I've displayed above and apply it to my split dataframe I get the error message: Error in `[.default`(xj, i) : invalid subscript type 'list' The reason why I need to try and get this to work within the functio

Re: [R] problem with function that adds rows to dataframe based on conditional statement

2015-03-06 Thread Tom Wright
If all you want is to add a row of na's could you just do something like: nExpectedRows<-length(unique(animals)) * length(unique(animalYears)) * 2 newDf<-data.frame(animals=rep(NA,nExpectedRows-nrow(comAn)), animalYears=rep(NA,nExpectedRows-nrow(comAn)), animal

Re: [R] problem with function that adds rows to dataframe based on conditional statement

2015-03-06 Thread Curtis Burkhalter
; > > -Original Message- > > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Curtis > > Burkhalter > > Sent: Thursday, March 05, 2015 9:42 PM > > To: r-help@r-project.org > > Subject: [R] problem with function that adds rows to dataframe

Re: [R] problem with function that adds rows to dataframe based on conditional statement

2015-03-06 Thread PIKAL Petr
R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Curtis > Burkhalter > Sent: Thursday, March 05, 2015 9:42 PM > To: r-help@r-project.org > Subject: [R] problem with function that adds rows to dataframe based on > conditional statement > > Hello everyone, > > I&#

Re: [R] problem with function that adds rows to dataframe based on conditional statement

2015-03-05 Thread Sarah Goslee
Why should he? seq_len() is part of base R. On Thursday, March 5, 2015, JS Huang wrote: > Hi Curtis, > > Maybe you forgot to tell us how the function seq_len is defined. > > > > - > JS Huang > -- > View this message in context: > http://r.789695.n4.nabble.com/problem-with-function-that-add

Re: [R] problem with function that adds rows to dataframe based on conditional statement

2015-03-05 Thread JS Huang
Hi Curtis, Maybe you forgot to tell us how the function seq_len is defined. - JS Huang -- View this message in context: http://r.789695.n4.nabble.com/problem-with-function-that-adds-rows-to-dataframe-based-on-conditional-statement-tp4704228p4704237.html Sent from the R help mailing list

[R] problem with function that adds rows to dataframe based on conditional statement

2015-03-05 Thread Curtis Burkhalter
Hello everyone, I'm having a problem with a function that I wrote that is supposed to add a row to dataframe based upon a conditional statement. To explain I've used an example below: #create data frame animals=c("bird","dog","cat") animals=rep(animals,each=4) animals=animals[1:11] animalYears=c(