Re: [Rd] [SPAM?] [R] read.csv behaviour

2011-09-28 Thread Jeff Newmiller
The consensus is that it is a very bad idea for a file nominally described as a CSV file to have a varying numbers of fields from record to record. If you have need for such a file and go to whatever lengths you need to in order to create it, please mark it as something other than a CSV file

Re: [Rd] How to set values

2011-09-28 Thread jorgeA
I'm not sure if I have understood your question, so I will put two possibilities: 1 - You have a variable called X =0 and a variable called Y = 12 and want that to be numeric. You can do this: X - as.numeric(X) Y - as.numeric(Y) 2 - You have a variable called XY = 0,12 and want to make a

Re: [Rd] load.R patch suggestion

2011-09-28 Thread Martin Maechler
Ben Bolker bbol...@gmail.com on Thu, 15 Sep 2011 11:03:26 +0200 writes: Inspired by http://stackoverflow.com/questions/7487778/could-you-tell-me-what-this-error-means I wrote the following very small (one-line) patch which returns an *informative* error message when R

Re: [Rd] [R] read.csv behaviour

2011-09-28 Thread Jim Lemon
On 09/28/2011 09:23 AM, Mehmet Suzen wrote: This might be obvious but I was wondering if anyone knows quick and easy way of writing out a CSV file with varying row lengths, ideally an initial data read from a CSV file which has the same format. See example below. I found it quite strange that

Re: [Rd] read.csv behaviour

2011-09-28 Thread Ben Bolker
Mehmet Suzen msuzen at mango-solutions.com writes: This might be obvious but I was wondering if anyone knows quick and easy way of writing out a CSV file with varying row lengths, ideally an initial data read from a CSV file which has the same format. See example below.

[Rd] serialize/unserialize vector improvement

2011-09-28 Thread Michael Spiegel
Hi folks, I've attached a patch to the svn trunk that improves the performance of the serialize/unserialize interface for vector types. The current implementation: a) invokes the R_XDREncode operation for each element of the vector type, and b) uses a switch statement to determine the stream type