ndvi {portalr}

NDVI by calendar month or lunar month

Description

Summarize NDVI data to monthly or lunar monthly level

Usage

ndvi(
  level = "monthly",
  sensor = "landsat",
  fill = FALSE,
  path = get_default_data_path(),
  download_if_missing = TRUE
)

Arguments

level

specify "monthly" or "newmoon"

sensor

specify "landsat", "modis", "gimms", or "all"

fill

specify if missing data should be filled, passed to fill_missing_ndvi

path

either the file path that contains the PortalData folder or "repo", which then pulls data from the PortalData GitHub repository

download_if_missing

if the specified file path doesn't have the PortalData folder, then download it