search for: tp4563909p4565199

Displaying 1 result from an estimated 1 matches for "tp4563909p4565199".

2012 Apr 17
1
Summary about how to divide data by week
Thank you to Ozgur, who gave me the hints for an easy solution. There are the commands that work for my case: mean(my_dataframe$Freq[my_dataframe$month == 5 & my_dataframe$day %in% c(1:7)]) mean(my_dataframe$Freq[my_dataframe$month == 5 & my_dataframe$day %in% c(8:14)]) ... Stefano Sofia PhD This is the original message: Dear list users, I have a data frame as below specified. From