make_JDay: Make Julian Day in dataframe
In chillR: Statistical Methods for Phenology Analysis in Temperate Fruit Trees
make_JDay R Documentation
Make Julian Day in dataframe
Description
This function produced Julian Dates (days of the year) from columns "Day",
"Month" and "Year" in a dataframe.
Usage
make_JDay(dateframe)
Arguments
dateframe
data.frame, which should contain date information specified
as columns "Day", "Month" and "Year"
Value
Returns the same data.frame, but with column "JDay" added. This then
contains the Julian Dates.
Author(s)
Eike Luedeling
References
The chillR package:
Examples
dates<-data.frame(Year=c(1977,1980,2004,2011,2016),Month=c(11,8,3,12,8),Day=c(1,21,2,24,2))
make_JDay(dates)
chillR documentation built on Nov. 28, 2023, 1:09 a.m.
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| make_JDay | R Documentation |
Make Julian Day in dataframe
Description
This function produced Julian Dates (days of the year) from columns "Day", "Month" and "Year" in a dataframe.
Usage
make_JDay(dateframe)
Arguments
dateframe |
data.frame, which should contain date information specified as columns "Day", "Month" and "Year" |
Value
Returns the same data.frame, but with column "JDay" added. This then contains the Julian Dates.
Author(s)
Eike Luedeling
References
The chillR package:
Examples
dates<-data.frame(Year=c(1977,1980,2004,2011,2016),Month=c(11,8,3,12,8),Day=c(1,21,2,24,2))
make_JDay(dates)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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