R/GPP_data.R

In jmzobitz/periodicFitting: Fits periodicially repeating data (trigonometric, polynomial, and piecewise linear functions)

#' Gross Primary Productivity for 3 MODIS pixels.
#'
#'
#' \itemize{
#'   \item site. Fluxnet site abbreviation
#'   \item date. POSIX date.
#'   \item time. The decimal representation of the date.
#'   \item product. "GPP" Gross primary productivity
#'   \item value. value of measurement in previous column
#' }
#'
#' @docType data
#' @keywords datasets
#' @name GPP_data
#' @usage data(GPP_data)
#' @format A data frame with 1561 rows and 5 variables
#' @source   Running, S., Mu, Q., Zhao, M. (2015). MOD17A2H MODIS/Terra Gross Primary Productivity 8-Day L4 Global 500m SIN Grid V006. NASA EOSDIS Land Processes DAAC. doi: 10.5067/MODIS/MOD17A2H.006. Accessed January 4, 2019.
#'
#' Running, S., Mu, Q., Zhao, M. (2015). MYD17A2H MODIS/Aqua Gross Primary Productivity 8-Day L4 Global 500m SIN Grid V006. NASA EOSDIS Land Processes DAAC. doi: 10.5067/MODIS/MYD17A2H.006. Accessed January 4, 2019.


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