[R] function completing properly

PIKAL Petr petr.pikal at precheza.cz
Thu Jul 10 16:18:04 CEST 2014


Hi

Works for me after I commented uknown function cal.wyd

> version
               _
platform       i386-w64-mingw32
arch           i386
os             mingw32
system         i386, mingw32
status         Under development (unstable)
major          3
minor          1.0
year           2013
month          12
day            19
svn rev        64488
language       R
version.string R Under development (unstable) (2013-12-19 r64488)
nickname       Unsuffered Consequences


> mkdate = function(x) {
+ x$date = as.Date(paste(x$year, x$month, x$day, sep="-"))
+ x$wy = ifelse(x$month >=10, x$year+1, x$year)
+ x$yd = as.integer(format(as.Date(x$date), format="%j"))
+ #x$wyd = cal.wyd(x)
+ x
+ }
>
> test<-data.frame(year=2000, month=10, day=5)
> test
  year month day
1 2000    10   5
> mkdate(test)
  year month day       date   wy  yd
1 2000    10   5 2000-10-05 2001 279
> test<-mkdate(test)
> test
  year month day       date   wy  yd
1 2000    10   5 2000-10-05 2001 279
>

Regards
Petr


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Janet Choate
> Sent: Thursday, July 10, 2014 1:48 AM
> To: r-help at r-project.org
> Subject: [R] function completing properly
>
> Hi R community,
> i created a function (mkdate) as follows:
>
> mkdate = function(x) {
> x$date = as.Date(paste(x$year, x$month, x$day, sep="-"))
> x$wy = ifelse(x$month >=10, x$year+1, x$year)
> x$yd = as.integer(format(as.Date(x$date), format="%j"))
> x$wyd = cal.wyd(x)
> x
> }
>
> the function results in adding the new columns date, wy, yd, and wyd to
> the
> table i apply it to.
> this has always worked in R version 2.14.2.
> however, in R version 3.1.0 - instead of my mkdate function adding
> those
> columns to my existing table, it just overwrites my table and leaves me
> with just a list of the last variable created by my mkdate function. so
> i
> end up with just a list of numbers representing wyd, and lose all the
> data
> in my original table.
>
> does anyone know what would now be causing this to occur, and what i
> need
> to do to make my function work properly again?
>
> thank you for any assistance,
> Janet
>
>       [[alternative HTML version deleted]]
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-
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> and provide commented, minimal, self-contained, reproducible code.

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