similar to: Views just returns #

Hi all, I am trying to implement the functionality of Remember Me. The requirement is that once the user closes the browser after checking the remember me check box, it should return to the login page with username and password fields to be filled into the text boxes and the checkbox button checked, so that there is no need to fill all the fields. I am not able to fill the text boxes with user

Hi, I''m searching a metod to do a selection suck as: Select attribute1,attribute2 from table where conditions I know that the "find()" and "find_by_sql" methods takes all the attribute...But i want only attribute1 and attribute2...Can someone tell me if there''s a method that give me this opportunity? Thanks,Ivan. -- Posted via

Hi, I want to do a visualisation of a matrix plot made up of several plots of correlation matrices (using corrplot()). My data is in csv format. Here's an example: id,category,attribute1,attribute2,attribute3,attribute4 661,SCHS,43.2,0,56.5,1 12202,SCHS,161.7,5.7,155,16 1182,SCHS,21.4,0,29,0 1356,SSS, 8.8182,0.1818,10.6667,0.6667 1864,SCHS,443.7273,9.9091,537,46 12360,SOA,6.6364,0,10,0

Hello, I have an application that should be able to export a list of users as CSV. So I put Mime::Type.register "text/csv", :csv into my environment.rb, and added this code to my UserController''s index action: format.csv do require ''csv'' CSV::Writer.generate(csv_string = "", '','') do |csv| csv

Hi, So I've been figuring out how to use igraph in R and like it for it's speed and simplicity. Now I have a graph built from an edgelist where vectors have a $name attribute. I have another dataframe with attributes tied to a vector ID, which is the same as the $name attribute of vectors represented in the graph. How can I iterate over the graph by V(g)$name and do

Hi, Does this code should works ? elm.getElementsBySelector(''UL.class1 > LI.class2''); I have an error caused by "UL.class1 > LI.class2" - Does CSS Selector ">" works ? - What is the exact ? may be "UL.class1>LI.class2" Regards, -- Jean-Philippe Encausse - R&D Jalios SA Jp [at] encausse.net - http://www.encausse.com -

Hi, I'm trying to understand R's object oriented abilities. I have read (in a very recent email to r-help) that R's methods package does not support private methods. However, I also looked at the source for the function "is": > is function (object, class2) { cl <- .class1(object) if (missing(class2)) return(extends(cl)) if (.identC(cl, class2)

I'm trying to use tapply to output means and SD or SE for my data but seem to be limited by how many times I can subset it. Here's a snippet of my data > stems353[1:10,] Time DataSource Plot Elevation Aspect Slope Type Species SizeClass Stems 1 Modern Cameron 70F221 1730 ESE 20 Conifer ABCO Class1 3 2 Modern Cameron 70F221 1730

I have two objects that are associated in the following way: class Class1 < ApplicationController has_and_belongs_to_many :class2s has_and_belongs_to_many :otherClasses end class Class2 < ApplicationController has_and_belongs_to_many :class1s has_and_bleongs_to_many :otherClasses end Now, when I run the following query, @objects = Class1.find(:all, :conditions

Hello, I have a question concerning "setClassUnion". I'm working with R 2.0.0 Patched (2004-10-06) on windows 2000. I tried to use "setClassUnion" in a package I am currently working on. The situation is similar to the following example: The DESCRIPTION file has entries: Depends: R (>= 2.0.0), methods Imports: methods LazyLoad: yes The NAMESPACE file has

Hello, I have a question concerning "setClassUnion". I'm working with R 2.0.0 Patched (2004-10-06) on windows 2000. I tried to use "setClassUnion" in a package I am currently working on. The situation is similar to the following example: The DESCRIPTION file has entries: Depends: R (>= 2.0.0), methods Imports: methods LazyLoad: yes The NAMESPACE file has

Hi, I'm new to R, and I have searched helpfiles and this forum on my 2 questions. Hope you guys can help me out! :-) Many thanks in advance! Cheers, Lars Q1: I imported a csv file with columnames subject and class. There are about 1000 different classes... It looks like this: subject1, class1 subject1, class2 subject2, class1 subject2, class3 ... subject999, class1 subject999, class2

Dear R-users! I am using R1.2.0 under Windows NT4.0, and have data of the following form: > #simple example of data structure: > x <- data.frame(group=LETTERS[1:3], class1=1:3, class2=4:6) > x group class1 class2 1 A 1 4 2 B 2 5 3 C 3 6 I would like to convert this to a data.frame y of the following form: > y group class counts 1

I want to have popup menus and check boxes in my forms to let users select associated objects. In the form I''m working on, the object "belongs_to" another type of object which is selected from a popup menu. The id of the chosen object(s) for association is passed back in the parameter hash, but when rails creates a new object from this parameter hash, I get a

Hi, Let''s say: class Class2 << ActiveRecord belongs_to: class1 end class Class1 << ActiveRecord has_many :class2s def get_max_class2 ?how to get the max of class2 list ? end end I would like to know how I have to write the get_max_class2 method in order to have the max value of the class2 list ? I would like to call this method this way: class2_max

> To find which header files could be removed it scanned the file for "#include" lines and tried to remove them one by one (checking if the file still compiles after the removal). When there were no more include lines to remove, we verified the change with ninja+ninja check. It looks like this makes us rely heavily on transitive header includes -- is that right? Specifically what I

I has several model objects that flow down like a tree: Class1 has_many Class2 Class2 has_many Class3 and so on. when are the child records actually created? If I do: c1 = Class1.find(:all) are the child objects (C2s below) created then or not until i do something like: c2s = c1.C2s while iterating through the c1s? If the form, that''s cool, no problem, but If I''ve got

i  want to print in the console and to have an excel file like this no_GWP                NbOfPolicyClass1[0-1000]     NbOfPolicyClass2[1000-3000]        NbOfPolicyClass3[> 3000] No_GWPMax=8    NbpolicyClass1=5                   NbpolicyClass2=4                            NbpolicyClass3 =3              i have do it like this:!!! data1 <-

I keep expecting R to have something analogous to the =count function in Excel, but I can't find anything. I simply want to count the data for a given category. I've been using the ddply() function in the plyr package to summarize means and st dev of my data, with this code: ddply(NZ_Conifers,.(ElevCat, DataSource, SizeClass), summarise, avgDensity=mean(Density),

I am trying to generate artificial data for feature selection. Basically trying to generate a total of 1000 features with 100 that are informative and rest are uninformative. Informative.data.class1<-rnorm(100,0.25,1) Uninformative.data.class1<-rnorm(900,0,1) Informative.data.class2<-rnorm(100, -0.25,1) Uninformative.data.class2<-rnorm(900,0,1) The above will give me one set of data