problem

[Ahmadffrahmand]

station data and precipitation data.zip
Respected sir
i run the code and i got this error.
every thing is projected as utm.

data(ValparaisoPPts)
data(ValparaisoPPgis)
data(ValparaisoSHP)

rfmep <- RFmerge(x=pcp, metadata=ValparaisoPPgis, cov=covariates,
id="Code", lat="lat", lon="lon", mask=shp,
training=0.8, parallel=parallel, par.nnodes=par.nnodes)

Error in RFmerge.zoo(x = pcp, metadata = ValparaisoPPgis, cov = covariates, :
Invalid argument: 'metadata' must have 'id' (identifier), 'lon' (longitude) and 'lat' (latitude) fields !
metadata' must have 'id' (identifier), 'lon' (longitude) and 'lat' (latitude) fields !
x=pcp is the xts object of rainfaill from stations