MonthTrendYearsFuncFromDay: Monthly values converted from daily values
In climtrends: Statistical Methods for Climate Sciences

Description Usage Arguments Value Author(s) Examples

MonthTrendYearsFuncFromDay returns monthly values converted by a function from daily values.

1	MonthTrendYearsFuncFromDay(yearDF, datecol=1,valcol=2, mfunc=mean, mmonth)

`yearDF`	dataframe with climate data
`datecol`	column with dates
`valcol`	column with values
`mfunc`	function to apply on the data
`mmonth`	starting month

Monthly values.

Jose Gama

# xgdcnCA008201000.dat is from ECA COLLEGEVILLE temperature
setwd(system.file('extdata/', package='climtrends'))
dailyCollegeville <- ReadGHCNymd('xgdcnCA008201000.dat')
MonthlyCollegeville <- MonthTrendYearsFuncFromDay(dailyCollegeville, mmonth=1)
MonthlyCollegeville[,1] <- as.Date(MonthlyCollegeville[,1], origin = "1970-01-01")