Introduction to R

Powerpoint manual containing an introduction to statistical analyses using R: Powerpoint

Below are various videos I have put together - most pertaining to data management using R

Obtaining a copy of R (downloading and installing; general overview of the environment): video

Videos on creating and describing numeric vectors: video 1, video 2, video 3

Videos on creating and describing vectors containing character or factor data: video 1, video 2

Videos on data frames: video 1, video 2

video 1 (importing text files using 'read.table' function), .txt file 1, .txt file 2, .txt file 3 , Word document

video 2 (importing .csv files using 'read.csv' and 'read.table' functions), .csv file

video 3 (importing Excel file using 'xlsx' package, .xlsx file 1, .xlsx file 2

video 4 (importing SPSS data files using 'foreign' package, .sav file (SPSS)

This video demonstrates how you can use the Data Editor in R to make changes to variables and values contained within a data frame. (Excel file containing data)(CSV file containing data)

This video demonstrate how to use the 'as.numeric' and 'as.factor' functions to change the types of variables contained within a data frame. (Excel file containing data)(CSV file containing data)

This video demonstrates how to rename a variable contained within a data frame.