Data frames/indexing

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7 Terms

1
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View contents of data frame

View(nameofdataframe)

2
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View the first few rows of data frame

head(nameofdataframe)

3
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data stored in nth row of mth column

nameofdataframe[n,m]

4
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data stored in nth row

nameofdataframe[n,]

5
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data stored in mth column

nameofdataframe[,m]

6
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Output of column

nameofdataframe$columnname

7
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Output of data greater than x from chosen column

nameofdataframe[nameofdataframe$columnname>x]