Data Manipulation with data.table in R

Hello. This month we would be having Njoki Njuki Lucy as our special guest speaker. She would be taking us through data manipulation with the data.table package.
She is a student at Hasselt University, pursuing MSc Statistics and Data Science specializing in Biostatistics. She also work part-time as a trainer of Data Management and Analysis, and Basic Statistics at Training Center in Communication, located at the University of Nairobi. Also, she is a co-organizer of R-Ladies Nairobi.
We are glad to have her join us.