Extract the long-format diary data frame from a study or export

A convenience accessor that returns the diary data frame from a slumbr_study or slumbr_export object. For a plain data frame it is returned unchanged.

Usage

diary_long(x)

# S3 method for class 'slumbr_study'
diary_long(x)

# S3 method for class 'slumbr_export'
diary_long(x)

# S3 method for class 'data.frame'
diary_long(x)

Arguments

x

A slumbr_study, slumbr_export, or plain data frame.

Value

A data frame with one row per diary entry.

Details

The long-format frame has one row per diary entry (morning or evening). Morning rows carry sleep timing and quality variables; evening rows carry daytime behaviour variables. Most analyses will want diary_wide() to merge them into one row per night.