Missing Values in R
How to deal with MISSING (NA) Values in R. The use of na.omit(), na.exclude(), na.fail() and na.pass() function.
Use of na.rm argument in mean() and sd() function is also performed.
00:00 Create a data set (data frame) with missing observations
01:00 Deleting the observation with NA value
1:50 Finding mean and standard deviation for data having NA values