[R] Memory limits using read.table on Windows XP Pro

[Latchezar Dimitrov]

Really sorry for the wrong addressing. It was intended to the list only.
I apologize.
Latchezar 

> -----Original Message-----
> From: Latchezar Dimitrov 
> Sent: Tuesday, July 19, 2005 9:47 PM
> To: Latchezar Dimitrov; 'Prof Brian Ripley'
> Cc: 'r-help at stat.math.ethz.ch'
> Subject: RE: [R] Memory limits using read.table on Windows XP Pro
> 
> Hello everyone,
> 
> Would you please somebody explain me what my sin is (please 
> see the code and timing bellow)? And how to improve myself 
> and the following piece of R code? BTW, the code works.
> 
> This is R 64-bit built by myself on Sun SPARC Solaris 9 with 
> gcc-4.0.1 (64-bit) also built by yours truly. The machine is 
> Sun Fire-V880 with 32GB memory and 8 cpu's. Nobody else was using it.
> 
> 
> Thank you very much
> 
> Latchezar Dimitrov
> 
> PS. Prof. Brian D. Ripley, thank you very much for not 
> wasting your invaluable time responding to the above. I know 
> your answer anyway. Sorry for making you read it though ...
> 
> >  system.time(
> + haplo[i,2*j-1]<-substr(as.character(geno[i,j]),1,1)
> +  ,TRUE)
> [1] 66.27 13.67 80.02  0.00  0.00
> > ls()
> [1] "P"     "geno"  "haplo" "i"     "j"     "lr"    "model" "pheno"
> > i
> [1] 1
> > j
> [1] 1
> > dim(P)
> [1]      1 125000
> > str(P)
>  num [1, 1:125000] 0.6188 0.0533 0.0893 0.8994 0.0316 ...
> > str(pheno)
> `data.frame':   2500 obs. of  11 variables:
>  $ pca    : int  1 1 1 1 1 1 1 1 1 1 ...
>  $ her    : int  0 1 0 0 0 0 0 0 0 0 ...
>  $ age    : num  67.1 70.4 64.9 60.8 64.3 ...
>  $ t      : int  1 3 1 2 1 2 1 3 9 1 ...
>  $ n      : int  9 9 9 9 9 9 9 0 9 9 ...
>  $ m      : int  0 1 0 0 0 1 9 9 1 9 ...
>  $ diffgrd: int  9 9 9 2 9 9 9 9 3 9 ...
>  $ gs     : int  6 7 6 7 7 7 5 6 NA 6 ...
>  $ psa    : num  13 75 11.3 13 9.1 51 4.3 10.7 NA 93 ...
>  $ geo    : int  2 2 1 1 1 1 1 1 1 1 ...
>  $ ageg   : int  6 7 5 5 5 5 3 5 4 5 ...
> > str(geno)
> `data.frame':   2500 obs. of  125000 variables:
> ^C
> 
> > 
> > dim(geno)
> [1]   2500 125000
> > dim(haplo)
> [1]   2500 250000
> > version()
> Error: attempt to apply non-function
> > version
>          _                   
> platform sparc-sun-solaris2.9
> arch     sparc               
> os       solaris2.9          
> system   sparc, solaris2.9   
> status   Patched             
> major    2                   
> minor    1.1                 
> year     2005                
> month    07                  
> day      09                  
> language R                   
> >