psyteachr_fqa Ch. 13

round()

{base}

round values to specified number of digits

geom_point()

{ggplot2}

add layer of points to plot

sd()

{stats}

compute standard deviation

labs()

{ggplot2}

modify axis, legend, and plot labels

tidy()

{generics}

turn object into tidy tibble

bind_cols()

{dplyr}

bind columns in dplyr

bind_rows()

{dplyr}

bind rows in dplyr

abs()

{base}

calculate absolute value

select()

{dplyr}

keep specified columns

list()

{base}

create recursive vector (list)

mutate()

{dplyr}

create or modify data columns

aes()

{ggplot2}

create aesthetic mappings between data and plot

mean()

{base}

calculate mean of elements of vector

stat_summary()

{ggplot2}

summarize y values for each x value

as.data.frame()

{base}

coerce object into data frame

library()

{base}

load R packages

row_number()

{dplyr}

rank vector elements with ties set to first

scale_y_continuous()

{ggplot2}

scale y axis to be continuous

c()

{base}

create vector of numbers, characters, etc.

group_by()

{dplyr}

group data by levels of column

read_csv()

{readr}

read comma delimited files

ggplot()

{ggplot2}

create a plotting area

filter()

{dplyr}

keep rows based on values of columns

pivot_longer()

{tidyr}

pivot data frame to be longer

lm()

{stats}

fit linear model

The end!