psyteachr_fqa Ch. 12

t.test()

{stats}

computer one and two sample Student’s t-test on vectors of data

sd()

{stats}

compute standard deviation

round()

{base}

round values to specified number of digits

bind_rows()

{dplyr}

bind rows in dplyr

group_by()

{dplyr}

group data by levels of column

count()

{dplyr}

count unique values of variables

filter()

{dplyr}

keep rows based on values of columns

tidy()

{generics}

turn object into tidy tibble

bind_cols()

{dplyr}

bind columns in dplyr

mean()

{base}

calculate mean of elements of vector

c()

{base}

create vector of numbers, characters, etc.

length()

{base}

return number of elements in a vector

The end!