Problem with accessing internal variable in package.
This is my first package, and clearly, I'm missing something.
After reading again manuals about name spaces and hooks, I have defined the
function .onLoad,
which implicitly assigns all internal variables with <<-
Then I have deleted previous package directory and changed the call to
package.skeleton
package.skeleton(name="ac9",
list=c(ls(pattern="(AB2)"),
"plot.C","read.AC9.data","EstimC","plot.AC9",".onLoad"),
namespace=TRUE,force=TRUE)
It has created file ac9/R/ac9-internal.R, containing the function .onLoad,
however, its body completely differs from that I have defined before.
Vladimir Eremeev wrote:
I am writing a package, which contains several functions and variables.
The variables are for internal use by functions.
Functions are ment to be callable by a user.
However, the function cannot access these variables.
The package contains only R code, and was created using package.skeleton
package.skeleton(name="ac9",
list=c(ls(pattern="(AB2)|(ac9)"),
"Chl","Pro","LP","SP","syn","unk","Y","Nh",
"plot.C","read.AC9.data","EstimC","plot.AC9"),
namespace=TRUE,force=TRUE)
Among others, the package contains the functions EstimC, AB2C, AB2C.S, and
AB2C.HK, and variables ac9nw, ac9wl, ac9aw, ...
Functions use these variables for calculations, and I would like to hide
them from users.
The file NAMESPACE contains the single line:
export(AB2C.HK,AB2C,AB2C.S,EstimC,plot.C,read.AC9.data,plot.AC9)
I am getting the following error:
Error in AB2C(a, b, model.type) : object "ac9nw" not found
traceback()
2: AB2C(a, b, model.type)
1: EstimC(i, plot.base.name = paste(plt.base.name, "S_", sep = ""),
model.type = "S")
sessionInfo()
R version 2.5.0 Patched (2007-05-13 r41549)
i386-pc-mingw32
locale:
LC_COLLATE=Russian_Russia.1251;LC_CTYPE=Russian_Russia.1251;LC_MONETARY=Russian_Russia.1251;LC_NUMERIC=C;LC_TIME=Russian_Russia.1251
attached base packages:
[1] "datasets" "utils" "stats" "graphics" "grDevices" "methods"
[7] "base"
other attached packages:
ac9 xlsReadWrite matlab MASS
"0.1" "1.3.2" "0.8-1" "7.2-33"
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