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- #ST2001 Labs
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- Most of our computation in R will be using data in table form, with rows & columns, which are often stored as a
data.frame
object.- The rows usually represent different observations, (e.g., humans, cars, etc.) and the columns represent different variables (features of the observation), (e.g., height, weight, etc.).
- What does
glimpse()
do? #card card-last-interval:: 4 card-repeats:: 2 card-ease-factor:: 2.7 card-next-schedule:: 2022-11-22T18:34:17.944Z card-last-reviewed:: 2022-11-18T18:34:17.945Z card-last-score:: 5- The
glimpse()
function gives us an overview of the dataset on each experimental unit.
- The
- What does
dim()
do? #card card-last-interval:: 29.99 card-repeats:: 4 card-ease-factor:: 2.56 card-next-schedule:: 2022-12-14T19:04:53.617Z card-last-reviewed:: 2022-11-14T20:04:53.617Z card-last-score:: 5- The
dim()
function returns the number of rows & columns in a dataframe.
- The