[R] c(), or cat(), or paste(), all cause unwanted reordering

[Nikos Alexandris]

On Tue, 2010-04-06 at 19:29 +0200, Nikos Alexandris wrote:
> Jeff Brown wrote:
> > > Wow, you guys are awesome.  Thanks!
> 
> Nikos Alexandris wrote:
> > Thanks for the "cat()" question Jeff and to all guRus out there for the
> > replies. This is something I was looking for the last hour.
> 
> I can't seem to make this run:
> 
> I have a function ( Column.of.Matrix.1 , Column.of.Matrix.2 ) which
> gives me an output like:
> 
> --%<---
> Divergence:             0.2605 
> Jeffries-Matusita:      0.04489 
> Bhattacharryya:         0.0227 
> Transformed divergence: 0.06406
> --%<---
> 
> The custom function uses "cat()" as well to print the above. Now, I
> would like to use this function in a for() loop and print before the
> results a message like "Separability measures between A and B:". I get
> "A" and "B" using "colnames(Matrix.X[i])".
> 
> Everything seems to be ok except that the message is printed after the
> results. Although I read all relevant posts in this thread about
> paste(), cat(), c(), I still don't understand why the message is being
> printed in the "end" when I use cat( c( ...)) or paste ( c(...)) or
> other combinations:
> 
> --%<---
> cat ( c (
> 	"Separability measures between:" ,
> 	"1st sample" , " and " , "2nd sample" , "\n" ,
> 	function ( Matrix.1 [i] , Matrix.2 [i] ) ,
> 	collapse = " "
> ) )
> --%<---
> 
> Can I *force* the output of the function to be printed in the end?
> Thank you, Nikos

Got it by using a new function which first calls cat(...) and then the
custom.function that gives what I need.

Thanks, Nikos