Oral Cancer – Diagnosis, Management, and Rehabilitation

Oral Cancer – Diagnosis, Management, and Rehabilitation

Atlantis_2013 2×11 Kin HDTV_x264-FoV[rarbg]

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01 Frequency.m4a

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manipulating colSums output in R

Say I have a data frame, y, that looks like this:

y1<- c(1:5)
y2<- c(2:6)
y3<- c(3:7)
y<-data.frame(y1,y2,y3)

I then want to compute sum of each column in the dataframe, so I use colSums function.

colSums(y)

This returns two rows of data, with the column ID on top, and the sum of the column below. I can transpose this information using the data.frame function.

data.frame(colSums(y))

This returns a column of sample IDs, and a column of summed values. However, R treats it as a single vector. What I want is a vector that only contains the number values of the sums of each column.