[R] Exchange NAs for mean

2009-12-17 Thread Joel Fürstenberg-Hägg
Hi all, I'm have a matrix (X) with observations as rows and parameters as columns. I'm trying to exchange all missing values in a column by the column mean using the code below, but so far, nothing happens with the NAs... Can anyone see where the problem is? N-nrow(X) # Calculate

Re: [R] Exchange NAs for mean

2009-12-17 Thread Barry Rowlingson
2009/12/17 Joel Fürstenberg-Hägg joel_furstenberg_h...@hotmail.com: Hi all, I'm have a matrix (X) with observations as rows and parameters as columns. I'm trying to exchange all missing values in a column by the column mean using the code below, but so far, nothing happens with the

Re: [R] Exchange NAs for mean

2009-12-17 Thread Chuck Cleland
On 12/17/2009 9:31 AM, Joel Fürstenberg-Hägg wrote: Hi all, I'm have a matrix (X) with observations as rows and parameters as columns. I'm trying to exchange all missing values in a column by the column mean using the code below, but so far, nothing happens with the NAs... Can anyone

Re: [R] Exchange NAs for mean

2009-12-17 Thread Paul Hiemstra
Barry Rowlingson wrote: 2009/12/17 Joel Fürstenberg-Hägg joel_furstenberg_h...@hotmail.com: Hi all, I'm have a matrix (X) with observations as rows and parameters as columns. I'm trying to exchange all missing values in a column by the column mean using the code below, but so far,