Joining Data with Dplyr

FRONT

BACK

What is the general structure for join functions, with its primary argument and the argument that lets you add suffixes to important columns?

inner_join(data_x, data_y, by = c(“colX“ = “colY“), suffix = c(“_suff1”, “suff2“))

What does this code do?
c(x = y)

Creates a vector with y labeled as x

What are the six join functions and what do they do? FIX

inner_join(): AND for rows

left_join(): all left, AND for rows

right_join(): all right, AND for rows

full_join(): all rows

semi_join(): all left in right

anti_join(): all left not in right

What function allows you to check if a variable is (or contains) NA?

is.na()

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