[R] Matrix Results

[Uwe Ligges]

On 13.03.2012 15:40, RMSOPS wrote:
> Hello
>
>
> Error: could not find function sqldf:
>
> Hello, I'm using R Studio, and installed the option of installing the
> packages sqldbf function.
>      But When I run the code give the next error.
>
>
> install.packages("sqldf")
> library("RSQLite")
> require(sqldf)
>   x<- read.fwf(textConnection("4 - 4       56
> + 4 - 3       61
> + 3 - 3       300
> + 3 - 3        27
> + 3 - 3       33
> + 3 - 3       87
> + 3 - 4      49
> + 4 - 4      71
> + 4 - 3     121
> + 3 - 4     138
> + 4 - 3      15"), width = c(7,8) , header = FALSE, as.is = TRUE)
> closeAllConnections()
>   sqldf("
> +     select V1
> +             , count(*) as Freq
> +             , min(V2) as Min
> +             , max(V2) as Max
> +             , median(V2) as Median
> +         from x
> +         group by V1
> + ")
>
>
> ERROR: lazy loading failed for package ‘sqldf’
> * removing ‘/home/ricardosousa/R/x86_64-pc-linux-gnu-library/2.13/sqldf’
> Warning in install.packages :
>    installation of package 'sqldf' had non-zero exit status


So that error message tells us that the installation of sqldf did not 
succeed on your machine.

Uwe Ligges


> The downloaded packages are in
> 	‘/tmp/RtmpS53jrJ/downloaded_packages’
>
>
>
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