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2010 Jul 28
0
Fwd: How to point a column of dataframe by a "character"
(Forgot to copy the list.) Begin forwarded message: > From: David Winsemius <dwinsemius at comcast.net> > Date: July 28, 2010 7:44:38 AM EDT > To: Tony <lulala at gmail.com> > Subject: Re: [R] How to point a column of dataframe by a "character" > > > On Jul 28, 2010, at 5:35 AM, Tony wrote: > >> Hello, >> >> Here is a dilemma I am having for a long time. But, I couldn't >> figure it >> out. &...
2010 Jul 28
1
How to point a column of dataframe by a "character"
Hello, Here is a dilemma I am having for a long time. But, I couldn't figure it out. I have an vector of Y and a data frame named "data",which contains all Xs. I tried to be more efficient in fitting a simple linear regression with each X. Firstly, for (i in 1:(dim(data)[2])){ model<-lm(Y~data[,i]) # this is not what I want since the name of coefficient will be data[,i] # I