search for: rep_dates

Hi Shakeel, Assuming that you are starting with a bunch of dates: # make a vector of character strings that can be converted to dates rep_dates<-paste(sample(1:30,500,TRUE),sample(1:12,500,TRUE), sample(2013:2017,500,TRUE),sep="/") # if this isn't your format, change it date_format<-"%d/%m/%Y" # create a data frame with a column of dates rep_df<-data.frame(rep_dates=as.Date(rep_dates,format=date_format)) #...

Hi, I am fairly new to 'R' and would like advice on the following. I want to calculate a weekly average number of reports (e.g. of flu, norovirus) based on the same weeks for the last five years. I will then use this to plot a chart with 52 points for the average based on the last five years; another line will then plot the current year, enabling a comparison of current weekly counts

Hi, I have a datetime select in my form like this: DATE/TIME REPORTED: <%= datetime_select ''report'', ''rep_date'' %> This works beautifully for creating a new record. The data is saved as: 2006-08-07 11:33:00 Now, the problem is when I try to load the form with saved values to do an update. The above code works and loads the saved data in another one

Hi, I'm reading data from a text file and transforming it in R and my date column seems to be getting corrupted. Can someone point out what's wrong? This code worked fine until I added a new date in 2010. thank you. To load the data I run: work_table = read.table(datafilename,header=TRUE) #read the data file attach(work_table)