WPI Worcester Polytechnic Institute

Computer Science Department
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Knowledge Discovery and Data Mining Research Group 
KDDRG

Miscellaneous Notes on R 

These notes are based on several online R resources
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Useful R Resources


Data Files

The following data files are used to illustrate how to upload data onto R (note that R can handle many different input data formats): Store them in a folder that is accessible to R. To see the work directory that R is using, type:
> getwd()

Different ways to upload data onto R:

For a complete description of R's data upload functions, see R's manual under: "Reading data from files".

Below, some examples are included. Use "help " on the Command Window to learn more about each .


Using the DATA FRAME structure in R:


Data Preprocessing in R:


R Weka Interface


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