Song rankings for Billboard top 100 in the year 2000
Data from the Centers for Medicare & Medicaid Services
Complete a data frame with missing combinations of data
Completed construction in the US in 2018
Expand data frame to include all possible combinations of values
Create a tibble from all combinations of inputs
Extract a character column into multiple columns using regular expression groups
Fill in missing values with previous or next value
Create the full sequence of values in a vector
Nest rows into a list-column of data frames
Legacy versions of 'nest()' and 'unnest()'
Pivot data from wide to long using a spec
Pivot data from long to wide using a spec
Separate a character column into multiple columns with a regular expression or numeric locations
Separate a collapsed column into multiple rows
Spread a key-value pair across multiple columns
Unite multiple columns into one by pasting strings together
Unnest a list-column of data frames into rows and columns
Automatically call 'unnest_wider()' or 'unnest_longer()'