R: HOMSTART Precipitation Data

homstart_data {bamlss} | R Documentation

## HOMSTART Precipitation Data

### Description

This function downloads and compiles the HOMSTART-project data set. The data is downloaded from the Zentralanstalt fuer Meteorologie und Geodynamik (ZAMG, http://www.zamg.ac.at) and funded by the Austrian Climate Research Programme (ACRP) and is free for research purposes.

### Usage

    homstart_data(dir = NULL, load = TRUE, tdir = NULL)

### Arguments

`dir` | The directory where the `homstart.rda` file should be stored.
`load` | Should the `homstart` data be loaded?
`tdir` | An optional temporary directory where all downloaded files are processed.

### Value

A data frame containing the following variables:

`raw` | The daily precipitation observations.
`cens` | Precipitation observations censored at 0.
`bin` | Factor with levels `"yes"` or `"no"` indicating precipitation.
`cat` | Factor with levels `"none"`, `"low"`, `"medium"` and `"high"` indicating the amount of precipitation.
`trend` | A numeric time trend
`month` | Month of of the observation.
`year` | Year of the observation.
`day` | Day of the year.
`lon` | The longitude coordinate of the corresponding meteorological station.
`lat` | The latitude coordinate of the corresponding meteorological station.
`id` | Factor, meteorological station identifier.
`cos1, cos2, sin1, sin2` | Transformed time trend for harmonic regression.
`weekend` | Factor, with levels `"yes"` and `"no"` indication if the observation was measured on a weekend.
`elevation` | Numeric, the elevation of the meteorological station.

### References

Nemec J, Gruber C, Chimani B, Auer I (2012). Trends in extreme temperature indices in Austria based on a new homogenised dataset. International Journal of Climatology. DOI 10.1002/joc.3532.

Nemec J, Chimani B, Gruber C, Auer I (2011). Ein neuer Datensatz homogenisierter Tagesdaten. OEGM Bulletin, 1, 19–20. https://www.meteorologie.at/docs/OEGM_bulletin_2011_1.pdf

Umlauf N, Mayr G, Messner J, Zeileis A (2012). Why does it always rain on me? A spatio-temporal analysis of precipitation in Austria. Austrian Journal of Statistics, 41(1), 81–92. http://www.stat.tugraz.at/AJS/ausg121/121Zeileis.pdf

### Examples

    ## Not run: homstart_data(load = TRUE)
    head(homstart)

    ## End(Not run)

[Package bamlss version 1.1-6 Index]