Posts by Laura • 123 points

• 3

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  A: Delete lines containing NA in a data frame

  Another option is to use the function complete.cases df2 <- df[complete.cases(df),] The function complete.cases returns a logical vector of TRUE and FALSE. As used in the example above, only…

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  answered 9 years, 5 months ago Laura 123

• 9

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  1

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  Q: How to find a table by category with minimum observations?

  Suppose you have the following data: a<-c(rep("agosto",3),rep("janeiro",4),rep("maio",6)) table(a) I want to know the month with the minimum of observations? With the function min(table(a)) the…

  r

  asked 10 years, 3 months ago Laura 123