[R] exclude

Jim Lemon drj|m|emon @end|ng |rom gm@||@com
Fri May 18 03:27:48 CEST 2018


Hi Val,
This may help:

tdat$allpresent<-FALSE
for(state in allstates)
 tdat$allpresent[tdat$stat == state]<-
  all(allyears %in% tdat$year[tdat$stat==state])
tdat2<-tdat[tdat$allpresent,]
xtabs(Y~stat+year,tdat2)
table(tdat2$stat,tdat2$year)

Jim


On Fri, May 18, 2018 at 10:48 AM, Val <valkremk using gmail.com> wrote:
> Hi All,
>
> I have a sample of  data set show as below.
> tdat <- read.table(textConnection("stat year Y
> AL 2003    25
> AL 2003    13
> AL 2004    21
> AL 2006    20
> AL 2007    12
> AL 2009    16
> AL 2010    15
> FL 2006    63
> FL 2007    14
> FL 2007    25
> FL 2009    64
> FL 2009    47
> FL 2010    48
> NY 2003    50
> NY 2004    51
> NY 2006    57
> NY 2007    62
> NY 2007    36
> NY 2009    87
> NY 2009    96
> NY 2010    91
> NY 2010    59
> NY 2010    80"),header = TRUE,stringsAsFactors=FALSE)
>
> There are three states, I wan tto select states taht do ahve records in all
> year.
> Example,
> xtabs(Y~stat+year, tdat)
>  This gave me the following
>
>  stat 2003 2004 2006 2007 2009 2010
>   AL   38   21   20   12   16   15
>   FL    0    0   63   39  111   48
>   NY   50   51   57   98  183  230
>
> Fl state does not have recrods in all year  and I wan to exclude from this
> and I want teh result   as follow
>
>  stat 2003 2004 2006 2007 2009 2010
>   AL   38   21   20   12   16   15
>   NY   50   51   57   98  183  230
>
> The other thing, how do I get teh counts state by year?
>
> Desired result,
>
>        2003    2004   2006   2007   2009    2010
> AL      2       1          1           1          1         1
> NY     1        1         1            2          2        3
>
> Thank you
>
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>
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