[R] Can't find files after install package (Windows)

[Phil Spector]

Unless you issue the statement

library(gcl)

the gcl package will not be available in the current session.
Using demo does not load the package; only library() does.

                                        - Phil Spector
 					 Statistical Computing Facility
 					 Department of Statistics
 					 UC Berkeley
 					 spector at stat.berkeley.edu


On Wed, 14 Jan 2009, bcbob43 wrote:

>
>
> Gabor Grothendieck wrote:
>>
>> You should only have to do this from within R:
>>
>> install.packages("glc", dep = TRUE)
>> library(gcl)
>> demo("glcdemo", package = "glc")
>>
>> or in place of the first line you could use the Packages
>> menu choosing Install packages...
>>
>
> Thanks for your help but I have already run "Packages|Install Packages from
> local zip" and it seems to run OK.
> There is a directory called glc in C:\R-2.8.1\library\ so the library files
> are on my system.
>
> But, I got the following result when I tried to run the last line on Rgui
>> demo("glcdemo", package = "glc")
> Error in .find.package(package, lib.loc, verbose = verbose) :
>  there is no package called 'glc'
>
>
> So, even though the files are there, it looks like the package was not
> installed.
>
> I ran search() and the glc package is not listed:
>> search()
> [1] ".GlobalEnv"        "package:stats"     "package:graphics"
> [4] "package:grDevices" "package:utils"     "package:datasets"
> [7] "package:methods"   "Autoloads"         "package:base"
>
>
> Bob
>
> here is the code I am trying to run:
>> # library(gcl)
>> #gcldemo <- function() {
>>  df <-
>>    structure(list(V1 = c(0.628, 0.317, 0.275, 0.458, 0.926, 0.456,
>>       0.894, 0.415, 0.694, 0.193), V2 = c(0.525, 0.746, 0.669, 0.179,
>>       0.162, 0.082, 0.951, 0.731, 0.656, 0.478), V3 = c(0.634, 0.994,
>>       0.709, 0.198, 0.857, 0.109, 0.896, 0.626, 0.335, 0.615), V4 =
>> c(0.714,
>>       0.661, 0.208, 0.996, 0.309, 0.306, 0.076, 0.463, 0.187, 0.59),
>>       V5 = as.integer(c(1, 0, 1, 1, 0, 0, 1, 0, 1, 0))),
>>              .Names = c("V1", "V2", "V3", "V4", "V5"),
>>              class = "data.frame",
>>              row.names = c("1", "2", "3", "4", "5", "6", "7", "8", "9",
>> "10"))
>>
>>  cat("Data table:\n")
>>  print(df)
>>
>>  cat("computing fuzzy rule classifier function cf...\n")
>>  cf <- gcl(df,filter=df)
>>  cat("done.\n")
>>  cat(cf())
>>  cat("Classifying data:\n")
>>  print(cf(df))
>> #  cat("Dumping source of classifying function cf to
>> /tmp/example-output.r\n")
>> #  dump("cf", "/tmp/example-output.r")
>> #  cat("Removing old definition of classifying function cf...")
>> #  rm("cf")
>> #  cat("done.\n")
>> #  cat("Sourcing /tmp/example-output.r containing definition of function
>> cf...")
>> #  source('/tmp/example-output.r')
>> #  cat("done.\n")
>> #  cat("Classifying data again:\n")
>> #  print(cf(df))
>>  cat("Making class calls according to max membership:\n")
>>  calls <- apply(cf(df), 1, which.max) - 1
>>  m <- cbind(calls, df[,5])
>>  colnames(m) <- c("GCL Call made", "Actual Class")
>>  errors <- sum(m[,1] != m[,2])
>>  cat("Calls:\n")
>>  print(m)
>>  cat("Made", errors, "errors.\n")
>>  cat("That is all folks.\n")
>> #}
>>
>> #gcldemo()
>>
>
>
>
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