From 616d2efcb73300f3cc7334d0cccc4fb91cf37b10 Mon Sep 17 00:00:00 2001 From: Imran Ali Date: Wed, 7 Oct 2015 08:56:36 +0700 Subject: [PATCH] Update R_language.md summary() can also be used to find count of NA values of each variable in a dataframe --- R/R_language.md | 1 + 1 file changed, 1 insertion(+) diff --git a/R/R_language.md b/R/R_language.md index 8831831..494e392 100644 --- a/R/R_language.md +++ b/R/R_language.md @@ -82,6 +82,7 @@ Contents: - test NA: `is.na()` - test NaN: `is.nan()` - number of NA: `sum(is.na(data))` + - `summary(data)` provides the count of NA's for each variable in the dataframe ### Data Frames + creating data frames