Displaying 2 results from an estimated 2 matches for "trafikforskningsgruppen".
2003 Jul 17
1
dbApply and data.frame
...848
100018 64.55
10002 125.435
100020 61.5714
. .
. .
. .
Now at last my question J, is there a way to make my list/data frame into
the table shown above. And does anybody know why R is crashing.
Jesper Runge Madsen
Ph.D.
Trafikforskningsgruppen
Institut for Samfundsudvikling og Planl?gning
Aalborg Universitet
runge at plan.auc.dk
Tel: 9635 9800
2003 Jul 15
1
dbApply (R newbee)
...Apply(res, INDEX = "LinieID",FUN = function(x, grp)
quantile(x$AvgSpeed, names=FALSE))
Error in if (what %in% set) structure(what, class = "connection") else NULL
:
argument is of length zero
>
Can anyone please help me
Jesper Runge Madsen
Ph.D.
Trafikforskningsgruppen
Institut for Samfundsudvikling og Planlægning
Aalborg Universitet
<mailto:runge@plan.auc.dk> runge@plan.auc.dk
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