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Hi, I would like to turn my TRUE/FALSE matrix into a 1/0 matrix (i.e. True=1 and False=0) [,1] [,2] [,3] [1,] TRUE FALSE FALSE [2,] TRUE TRUE FALSE [3,] TRUE TRUE TRUE [,1] [,2] [,3] [1,] 1 0 0 [2,] 1 1 0 [3,] 1 1 1 Is there a quick way of doing this without a loop? Thanks Emma -- View this message in context:

Hi, I have several matrix in a list, for example: e [[1]] [,1] [,2] [1,] 1 3 [2,] 2 4 [[2]] [,1] [,2] [1,] 1 4 [2,] 2 5 [3,] 3 6 [[3]] [,1] [,2] [1,] 2 1 I would like to join them by column i.e. [,1] [,2] [,3] [,4][,5] [,6] [1,] 1 3 1 4 2 1 [2,] 2 4 2 5 NA NA [3,] NA NA 3 6 NA NA I have tried

I have a list of numbers with NAs as below: > A[,1] [1] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA [19] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA [37] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA [55] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA [73] NA NA NA 62 78 98

is there anyway for some parts of the function output to not be returned, even if the output has been used to calculate a further part of the function? i have tried invisible() to no avail. Thanks Emma -- View this message in context: http://www.nabble.com/Function-output-difficulties-tp20813117p20813117.html Sent from the R help mailing list archive at Nabble.com.

Hi, Is there a quick way to go from this matrix: > A [,1] [,2] [,3] [1,] 1 1 1 [2,] 2 2 2 [3,] 3 3 3 [4,] 4 4 4 [5,] 5 NA 5 [6,] NA NA 6 [7,] NA NA NA to this matrix: > B [,1] [,2] [,3] [1,] 1 NA NA [2,] 2 NA 1 [3,] 3 1 2 [4,] 4 2 3 [5,] 5 3 4 [6,] NA 4 5 [7,] NA NA 6

Hi, I would like to sum some specific columns in my matrix- for example, my matrix looks like this: [,1] [,2] [,3] [,4] [,5] [1,] 1 NA NA NA NA [2,] 2 1 NA 1 NA [3,] 3 2 1 2 1 [4,] 4 3 2 3 2 [5,] NA NA NA 4 3 [6,] NA NA NA 5 NA I would like to find the sum of the first two columns, the second two columns and

...; > > > Today's Topics: > > 1. Re: Plots not loading (Philipp Pagel) > 2. COURSE: R and S-PLUS 1 day introduction, UK, 29 April 2009 > (Andrew Jack) > 3. Re: How to combine xtable and minipage with Sweave ? > (Dieter Menne) > 4. pairs of numbers (emj83) > 5. Re: pairs of numbers (emj83) > 6. Re: Taking diff of character vectors (Sergey Goriatchev) > 7. Re: print median and sd... (jim holtman) > 8. Re: Selecting / creating unique colours for behavioural / > transitional data (Kingsford Jones) > 9. code to find all...

I have MCMC output chains A and B for example, I want to produce trace plots for them using the boa command line... #loads boa boa.init() #reads in chains boa.chain.add(boa.importMatrix('A'), 'A') boa.chain.add(boa.importMatrix('B'), 'B') #plot trace plot problems arise here! I know I can get trace plots using boa.plot('trace') but this plots the parameter