Re: [R] repeat a linear regression model

2013-10-14 Thread arun
Hi, Try: Please use ?dput() to show the example dataset: dat <- structure(list(ID = c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L), Y = c(555L, 345L, 456L, 552L, 342L, 452L, 555L, 345L, 456L, 552L, 342L, 452L, 562L, 352L, 463L, 582L, 342L, 483

Re: [R] repeat a linear regression model

2013-10-14 Thread Doran, Harold
, October 14, 2013 7:47 AM To: r-help@r-project.org Subject: [R] repeat a linear regression model Hello, I'd like to repeat a linear regression model for groups of rows that are identified by an ID number. My table is like this: ID Y X1 X2 X3 X4 1 555 111

[R] repeat a linear regression model

2013-10-14 Thread Valeria Muzzolini
Hello, I'd like to repeat a linear regression model for groups of rows that are identified by an ID number. My table is like this: ID Y X1 X2 X3 X4 1 555 111 222 333 456 1 345 234 445 543 33 1 456 353 453 456