Merging multiple columns into one column
?unlist (A data frame is a list, as ?data.frame explains. Also the Intro to R tutorial, which should be read by everyone beginning with R). -- Bert On Fri, Sep 28, 2012 at 2:51 PM, Meredith Ballard LaBeau
<mmballar at mtu.edu> wrote:
Good Evening-
I have a dataframe that has 10 columns that has a header and 7306 rows in
each column, I want to combine these columns into one. I utilized the stack
function but it only returned 3/4 of the data...my code is:
where nfcuy_bw is the dataframe with 7305 obs. and 10 variables
Once I apply this code I only receive a data frame with 58440 obs. of 2
variables, of which there should be 73,050 obs. of 2 variables, just
wondering what is happening here?
View(nfcuy_bw)
attach(nfcuy_bw)
cuyahoga_nf<-data.frame(s5,s10,s25,s27,s33,s41,s51,his_c)
cuy_nf<-stack(cuyahoga_nf)
Thanks
Meredith
--
Doctoral Candidate
Department of Civil and Environmental Engineering
Michigan Technological University
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Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm