dr | R Documentation |
Calculate inverse relative distance Earth-Sun for daily and shorther periods.
dr(x)
x |
date-time object or Day of the year |
must be provided as number (1-366) or as a common date-time object (e.g, POSIXct, POSIXlt or Date objects). All formats for which is.timepoint from the lubridate package returns TRUE can be used
eq. 23 of reference
Allen, R. G., Pereira, L. S., Raes, D., & Smith, M. (1998). Crop evapotranspiration-Guidelines for computing crop water requirements-FAO Irrigation and drainage paper 56. FAO, Rome, 300(9).
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.