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...In the process of learning to create date values in R proper, I noticed some interesting behavior on the part of the data editor. At first, this led me to believe that my efforts had been unsuccessful. The output from my R console below illustrates this behavior.   > test <- mydata > test$test_date <- as.Date(test$ae_datestarted, format='%m/%d/%Y') > class(test$test_date) [1] "Date" > mode(test$test_date) [1] "numeric" > > fix(test)   (At this point, I clicked on the test_date column) Warning: class discarded from column ‘test_date’ > > cla...

...The data is in the attached CSV file http://www.nabble.com/file/p25398419/test%2Bchart%2Bdata.csv test+chart+data.csv . I can read it in OK, and create separate charts: testdata<- read.table("C:\\Files\\test chart data.csv", head = T, sep = ",",na.strings = "na") test_date = as.Date(testdata$Date,"%d-%m-%y") test_data_model = testdata$Model test_date_baseA = testdata$BaseDataA test_date_baseB = testdata$BaseDataB plot(test_date, test_data_model,type='l',log="y") plot(test_date, test_data_baseA,type='l',log="y") plot(test...

Hi, How can I validate date in model class Thanks. Sainaba. -- Posted via http://www.ruby-forum.com/.

In my view code, I have <%= datetime_select "in_out", "time_in" %> which returns in params :in_out: !map:HashWithIndifferentAccess time_in(1i): "2006" time_in(2i): "6" time_in(3i): "12" time_in(4i): "20" time_in(5i): "24" and I want to save that datetime to a column in the db... if

Hi, I am trying to implement a few queries now. What are good ways to do this? Right now, I have a list page that does sorting and can carry out a generic pagination request. @user_result_pages, @user_results = paginate(:user_results, :per_page => 20, :conditions => @condition, :order_by => @sort_order) I create @sort_order earlier in the list function. The problem I am having is