[R] list to matrix

[arun]

Hi,
Try:
set.seed(48)
lst1<-replicate(3,data.frame(y=rnorm(50),z=runif(50),x=sample(10:15,50,replace=TRUE)),simplify=FALSE)
 t(sapply(lst1,function(u) coef(lm(y~0+x+z,data=u))))  #change accordingly
#               x          z
#[1,] -0.01020553  0.3852990
#[2,] -0.01157726  0.3986898
#[3,]  0.01788307 -0.5624307

A.K.




----- Original Message -----
From: eliza botto <eliza_botto at hotmail.com>
To: "r-help at r-project.org" <r-help at r-project.org>
Cc: 
Sent: Wednesday, September 11, 2013 10:22 AM
Subject: [R] list to matrix

Dear useRs,
If i have a list of the following form and i want to convert the coefficient section of each element, combined into one matrix of dimension 3*5. How can i do that?I hope i am clear
thank in advance

[[1]]
Call:
lm(formula = mm[, i] ~ 0 + (x0 + x + xx + y + yy))
Coefficients:
     x0        x       xx        y       yy  
1.0000  -0.4250   0.2494   0.1683  -0.7449  

[[2]]
Call:
lm(formula = mm[, i] ~ 0 + (x0 + x + xx + y + yy))
Coefficients:
     x0        x       xx        y       yy  
1.0000  -0.6355   0.5876   0.2518  -0.7293  

[[3]]
Call:
lm(formula = mm[, i] ~ 0 + (x0 + x + xx + y + yy))
Coefficients:
     x0        x       xx        y       yy  
1.0000   0.5778   0.3838   0.4207  -0.1354  
                          
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