Re: [R] Long model formulae

2010-10-24 Thread James Hirschorn
> > Here is a dodge I often use. This is a mock-up example. Very instructive (and helpful) ... > > ___ > > bar <- data.frame(matrix(rnorm(1001), nrow = 1)) > names(bar)[1] <- "y" ## say > head(bar[,1:5]) > > nbar <- names(bar) > form <- as.formula(paste(nbar[1], "~", paste(nbar[-1],

Re: [R] Long model formulae

2010-10-23 Thread Bill.Venables
] On Behalf Of James Hirschorn Sent: Sunday, 24 October 2010 11:51 AM To: r-help@r-project.org Subject: [R] Long model formulae What is a good way to enter a very long model formula. For example: y ~ Input.2 + Input.3 + ... + Input.1000 (assuming the corresponding dataframe has many other columns).

Re: [R] Long model formulae

2010-10-23 Thread David Winsemius
On Oct 23, 2010, at 6:56 PM, Gabor Grothendieck wrote: On Sat, Oct 23, 2010 at 9:51 PM, James Hirschorn wrote: What is a good way to enter a very long model formula. For example: y ~ Input.2 + Input.3 + ... + Input.1000 (assuming the corresponding dataframe has many other columns). Is the

Re: [R] Long model formulae

2010-10-23 Thread Gabor Grothendieck
On Sat, Oct 23, 2010 at 9:51 PM, James Hirschorn wrote: > > What is a good way to enter a very long model formula. For example: > > y ~ Input.2 + Input.3 + ... + Input.1000 > > (assuming the corresponding dataframe has many other columns). > > Is there a way to convert a character string to a form

[R] Long model formulae

2010-10-23 Thread James Hirschorn
What is a good way to enter a very long model formula. For example: y ~ Input.2 + Input.3 + ... + Input.1000 (assuming the corresponding dataframe has many other columns). Is there a way to convert a character string to a formula? Are there command line expansions in R besides the simple '.'?