Hi. I have been trying to create quarterly box plot for a time series data set for each year and have been unable to do it so far. I am aiming to create side by side boxplot for each quarter per year.
Qtr1 Qtr2 Qtr3 Qtr4
1960 5387 6211 6659 5983
1961 5709 6458 6875 6162
1962 6098 7075 7595 6882
1963 6707 7874 8555 7503
1964 7469 8829 9513 8415
1965 8270 9503 10306 9077
generated the above quarterly data using another time series data set:
elec_quarterly = aggregate.ts(mycbe, nfrequency = 4, FUN = sum)
What is the best way to proceed to get the required boxplots?