search for: postixct

Hi, I have a data frame, data, containing two columns: one- the TimeStamp (formatted using data$TimeStamp <- as.POSTIXct(as.character(data$TimeStamp), format = "%d/%m/%Y %H:%M") ) and two- the data value. The data frame has been read from a .csv file and should contain 48 values for each day of the year (values sampled at 30 minute intervals). However, there are only 15,948 observations i.e. only a...

Hello, I'm quite new to R and still spend hours trying to figure out single things so I hope nobody rolls his eyes over my question. I have a data set over time and converted it to the POSTIXct format. I added a column in the data set for the week and the month. I try to get a plot which shows the weeks on the x-axis and the number of datasets without NAs on the y-axis. That doesn't sound too difficult but I can't figure it out. Does anybody have an idea? -- View this message...