season (version 0.2-6)

flagleap: Count the number of days in the month

Description

Counts the number of days per month given a range of dates. Used to adjust monthly count data for the at-risk time period. For internal use only.

Usage

flagleap(data, report=TRUE, matchin=FALSE)

Arguments

data

data.

report

produce a brief report on the range of time used (default=TRUE).

matchin

expand the result to match the start and end dates, otherwise only dates in the data will be returned (default=FALSE).

Value

• year
  year (4 digits).
• month
  month (2 digits).
• ndaysmonth
  number of days in the month (either 28, 29, 30 or 31).

Details

The data should contain the numeric variable called year as a 4 digit year (e.g., 1973).

Examples

data(CVD)
days = flagleap(data=CVD)