I was able to figure it out. I used daysSamp<- na.omit(weekly) daysSamp<- nrow(daysSamp) daysSamp >4 I ommited the NA's and then counted the number of rows. Thanks for your time Mark
> I'm not an R expert but if you show me the > str(weekly) output, i think I can answer your > question. > > > >Mark: > >I basically need to count the number of rows that > have > >values only. I tried your example and it crashed.I > >have been reading and looking for a function that > does > >that but no luck... > > > >--- [EMAIL PROTECTED] wrote: > > > >> >From: Felipe Carrillo <[EMAIL PROTECTED]> > >> >Date: 2008/03/22 Sat PM 06:16:59 CDT > >> >To: [EMAIL PROTECTED] > >> >Subject: [R] counting values on one colum only > >> > >> i'm not sure i understand what you want > >> because, by definition, > >> a dataframe can't have a different > >> number of rows in each column ? > >> maybe > >> > >> i<-nrow(!is.na(weekly$a)) > >> > >> if the blanks are actually NAs ? > >> > >> > >> >Hi all: > >> >Can someone help me count the > >> >number of rows with values in > >> >colum "a" only. assume the name > >> >of my dataframe is "weekly" > >> >I was trying > >> >i<- nrows(weekly$a) > >> > i > >> > but returns 7 when it should > >> > be 4. Thanks > >> >a b c d > >> > 27.000 > >> > 27.000 > >> >1.569 0.013 160.000 27.000 > >> >1.632 0.013 146.000 27.000 > >> >1.830 0.015 70.000 27.000 > >> >2.475 0.019 156.000 27.000 > >> > 27.000 > >> > > >> > Felipe D. Carrillo > >> > Fishery Biologist > >> > Department of the Interior > >> > US Fish & Wildlife Service > >> > California, USA > >> > > >> > > >> > > >> > > >> > >____________________________________________________________________________________ > >> >Be a better friend, newshound, and > >> > > >> >______________________________________________ > >> >R-help@r-project.org mailing list > >> >https://stat.ethz.ch/mailman/listinfo/r-help > >> >PLEASE do read the posting guide > >> http://www.R-project.org/posting-guide.html > >> >and provide commented, minimal, self-contained, > >> reproducible code. > >> > >> > > > > > > Felipe D. Carrillo > > Fishery Biologist > > Department of the Interior > > US Fish & Wildlife Service > > California, USA > > > > > > > > > ____________________________________________________________________________________ > >Looking for last minute shopping deals? > > > Felipe D. Carrillo Fishery Biologist Department of the Interior US Fish & Wildlife Service California, USA ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
