R programming: Removing NA values

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I am new to R programming and I was wondering how to remove null or N/A values.
Jan 31 in Data Analytics by Sophie may
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You can make use of the "na.rm" function to remive N/A values.

For example, 

sum(df[,1], na.rm = TRUE) 

where df is your data frame.

answered Jan 31 by Tyrion anex
• 8,280 points

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