Re: [R] function using values separated by a comma

Hi, Thanks again for your help with this. I would like to use a variation of this function in a similar dataset (numeric) with elements separated by a comma e.g. dat <- read.table(tc <- textConnection( '0,1 1,3 40,10 0,0 20,5 4,2 10,40 10,0 0,11 1,2 120,10 0,0'), sep="") to simply calculate th

[R] Comparison of two files with multiple arguments

Hello, I have an example file which can be generated using: dat <- read.table(tc <- textConnection( 'T T,G G T C NA G G A,T A A NA'), sep="") I also have a reference file with the same number of rows, for example: G C A I would like to transform the file to numerical values using the followin

Re: [R] function using values separated by a comma

online course that would be helpful for learning these sorts of data handling functions? Thanks again! --- On Fri, 8/10/10, Jeffrey Spies-2 [via R] wrote: From: Jeffrey Spies-2 [via R] Subject: Re: function using values separated by a comma To: "burgundy" Date: Friday, 8 October, 2

[R] function using values separated by a comma

Hello, I have a dataframe (tab separated file) which looks like the example below - two values separated by a comma, and tab separation between each of these. [,1] [,2] [,3] [ ,4] [1,] 0,1 1,3 40,10 0,0 [2,] 20,5 4,2 10,40 10,0 [3,] 0,11 1,2 120,10 0,0 I would like to calculat

[R] Replace query

Hi, I'm trying to replace all values equal to 1 in one file (a) with the value in the corresponding column in a separate file (b). Example below. Any help (and brief notes if poss) much appreciated. Thanks!! file a: 0,0,1,1,0 1,0,0,0,1 0,0,0,0,0 1,0,1,1,0 file b: 3,4,6,8,11 output request: 0,

[R] How to generate a distance matrix?

Hi, I'm trying to generate a distance matrix between sample pairs (example below). I'm not very familiar with the loop command which I expect I will need for this. The example below demosntrates what I'd like to get out of the data - essentially, to calculate the proportion of positions where two

Re: [R] How to replace all non-maximum values in a row with 0

Thanks for advice, sorted now! From: Owe Jessen-2 [via R] Sent: Fri, 9 April, 2010 18:39:53 Subject: Re: How to replace all non-maximum values in a row with 0 Am 09.04.2010 10:04, schrieb burgundy: > Hi, > > I would like to replace all the max v

Re: [R] How to replace all non-maximum values in a row with 0

o} r } # Test: > t(apply(A, 1, f)) [,1] [,2] [,3] [,4] [,5] [1,]00001 [2,]00001 [3,]00100 [4,]00000 HTH, Dennis On Fri, Apr 9, 2010 at 1:04 AM, burgundy <[hidden email]> wrote: > &

[R] Histogram not plotting correct breaks

Hi, I'm using the hist function to plot the frequency of 21 variables, but it keeps starting the x-axis from 0 and adding variables 1 and 2 together (all other vairables have the correct frequencies). I suspect it adds 1 and 2 together so that 0 can fit in with demarcations at intervals of 5. Usi

[R] How to assign scores to rows based on column values

Hi, I'm trying to assign a score to each row which allow me to identify which rows differ. In the example file below, I've used "," to indicate column separators. In this example, I'd like to identify that row 1 and row 5 are the same, and row 2 and row 4 are teh same. Any help much appreciated.

[R] replace cells with column number

Hello, I'm trying to replace cells with value 1 with the number of the column. Example below. Thank you! from: 0,1,0,1 0,0,0,1 1,0,0,1 to: 0,2,0,4 0,0,0,4 1,0,0,4 -- View this message in context: http://n4.nabble.com/replace-cells-with-column-number-tp1838289p1838289.html Sent from the R h

[R] How to replace all non-maximum values in a row with 0

Hi, I would like to replace all the max values per row with "1" and all other values with "0". If there are two max values, then "0" for both. Example: from: 2 3 0 0 200 30 0 0 2 50 0 0 3 0 0 0 0 8 8 0 to: 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 Thanks! -- View