Subset a data.frame by by months or season

Subset a data.frame by timeCode, where timeCode can be either a 'season' (summer, autumn, winter, spring), a month characters ('01'-'12'), or 'year', with 'year' the same as including all data

Usage

subsetByTimeCode(df, dt, timeCode)

Arguments

df

A data.frame

dt

A posixCT datetime

timeCode

A timecode indicating the season, month, or 'year' for all data