Exporting Data from R to Text Files

April 27th, 2009

Exporting small or medium sized data sets from the R environment to text files is a straightforward task. The two functions that are most useful for this operation are write.csv and write.table which export data to comma separate variable format or a text format with a different character used to indicate separate columns of data. Read the rest of this entry »

Importing Data into R from Text Files

April 25th, 2009

The task of reading data into a statistical software package is not always a straight forward task and there are many varied file formats that are in use by different software systems. Text files are popular for sharing small or medium sized data sets, while full blown relational databases are more appropriate for larger data sets. The R Environment has functions that handle importing data that is stored in text format and it is also possible to interact with external database systems. Read the rest of this entry »

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