search for: usermodel

...o R, but my code is failing at the first step. I setwd into my the directory with the spreadsheets, and, as a test ask for the first one: read.xlsx(file = "Argentina Final.xls", sheetIndex = 1) I promptly get an error message: Error in .jcall(row[[ir]], "Lorg/apache/poi/xssf/usermodel/XSSFCell;", : method getCell with signature (I)Lorg/apache/poi/xssf/usermodel/XSSFCell; not found Anyone have any idea how to fix this issue? Thanks, Andrew Winterman [[alternative HTML version deleted]]

...been using a script that works fine for several days and then I stopped using it for a month without having doubt that it would not be working. When I use it again today, I received an error when I reach the last step of generating the data file. *"Error in .jcall(wb, "Lorg/apache/poi/ss/usermodel/Sheet;", "createSheet", : * * java.lang.IllegalArgumentException: The workbook already contains a sheet of this name*" I had uninstalled and re-installed both java and R. I tried using XLConnect package to replace the xlsx. I have been trying to search the solution fo...

...ript that i have written in R and i hope you can help me spot which exactly is the problem and how i can solve it. The error I get is the following: ---- Error in .jcheck(silent = FALSE) : Java Exception <no description because toString() failed>.jcall(row[[ir]], "Lorg/apache/poi/ss/usermodel/Cell;", "createCell", as.integer(colIndex[ic] - 1))<S4 object of class "jobjRef"> ---- As I am not a programmer, i don't really understand the error message. I did a search to try to understand what is wrong and if i am correct the problem is related with the ...

...rJava uses the same quite intensively. I used the xlsx R package which depends on rJava to write .xls files and ran into an error. write.xls from this package uses the functions and returns an error depending on the sequence the packages were loaded. Error in .jnew("org/apache/poi/xssf/usermodel/XSSFWorkbook") : java.lang.AbstractMethodError: java.lang.ClassLoader.loadClass(Ljava/lang/String;)Ljava/lang/Class; data.table::J rJava::J I can work around this by loading and unloading packages, but I feel this should be addressed because loading these two packages that both deal wit...

Dear Adrian, I would like to export a quite large matrix from R to Excel (40 columns, 257 597 rows). After 10 minutes of work, I get the following error message: Error in .jcall(row[[ir]], "Lorg/apache/poi/ss/usermodel/Cell;", "createCell", : Java Exception <no description because toString() failed> This is the code I used: write.xlsx(wvs19812008hm, "C:/test.xlsx", sheetName="Sheet 1", formatTemplate=NULL, col.names=TRUE, row.names=TRUE, append=FALSE) Is the matrix...

...t) and also updated the java packages (1.6.0_24) and also R (to 2.15). Then I tried to install my packages which i use daily and one of em is the xlsx package. But if I load the package I get the following error: "Error : .onAttach in attachNamespace() Error: .jnew( "org/apache/poi/xssf/usermodel/XSSFWorkbook") " I did seth a path variable to the java folder (where the jvm.dll is). Then I tried to install the XLConnect package (which would not be that difficult to re-write my code to that package), this package loads without problems, but if I try to load a workbook an error com...

...e unstable 1.5 series. Overview of changes in lightdm 1.4.0 * Correctly implement and test autologin timeouts * Add greeter-show-remote-login hint * Correctly annotate enums in vapi file * QLightDM: Add default constructor to Qt power interface * QLightDM: Expose image path in UserModel * QLightDM: Add parameter to session model to show either local or remote sessions * Fix race conditions in tests https://launchpad.net/lightdm/+download

...<div class="comment_author"> <%= comment.user.fullname -%> <%= time_ago_in_words(comment.created_at) -%> ago </div> <hr> </div> As you can see, the comments partial calls comment.user.fullname, which is defined in the UserModel: class User < ActiveRecord::Base has_many :documents has_many :events has_many :news has_many :comments def fullname "#{firstname} #{surname}" end end When the server is first started the page renders correctly, HOWEVER if I hit refresh it fails with: undefined met...