# Skyscape Archaeology Data Reduction, Visualization and Analysis

## Documentation for package ‘skyscapeR’ version 0.2.2

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

antizenith | Declination of the anti-zenith sun for a given location
az2dec | Calculates declination from azimuth and altitude measurements
createHor | Create ._skyscapeR.horizon_ object from Az/Alt data
curvigram | Computes declination curvigram
download.HWT | Download horizon data from _HeyWhatsThat_
dS | Declination of December Solstice for a given year
eq | Declination of sun at the equinoxes
exportHor | Exports a _skyscapeR.horizon_ object into _Stellarium_ format
hor2alt | Retrieves horizon altitude for a given azimuth from a given horizon profile
jS | Declination of June Solstice for a given year
Laskar04 | Astronomical elements from Laskar et al. (2004)
mag.dec | Estimates magnetics declination (diff. between true and magnetic north) based on IGRF 12th gen model
nh.LunarRange | Declination distribution of the Moon throughout the year for null hypothesis significance testing
nh.SolarRange | Declination distribution of the Sun throughout the year for null hypothesis significance testing
nh.SummerFM | Declination distribution of the Summer Full Moon for null hypothesis significance testing
nh.Uniform | Declination distribution corresponding to a uniform azimuthal distribution for null hypothesis significance testing
nMjLX | Declination of northern major Lunar Extreme for a given year
nmnLX | Declination of northern minor Lunar Extreme for a given year
obliquity | Computes obliquity based on _Laskar et al (2004)_ tables
orbit | Calculate visible path of celestial object at given location
plotAz | Polar plot of orientations (azimuths)
plotCurv | Plot a curvigram
plotHor | Plot horizon data
plotPhases | Plot stellar phase and seasonality
plotZscore | Plot a z-score transformed curvigram
reduct.compass | Data reduction for compass measurements
reduct.theodolite | Data reduction for theodolite measurements using the sun-sight method
RugglesCKR | Cork and Kerry Stone Row Data
RugglesRSC | Recumbent Stone Circle Data
sigTest | Perform a null hypothesis significance test of a given curvigram
sky.objects | Creates a _skyscapeR.object_ for plotting of celestial objects at given epoch
sMjLX | Declination of southern major Lunar Extreme for a given year
smnLX | Declination of southern minor Lunar Extreme for a given year
star | Create _skyscapeR.star_ object
star.phases | Calculate the seasons and phases of a star
stars | Stellar Data
sunAz | Returns the azimuth of the sun at a given time from a specific location
zenith | Declination of the zenith sun for a given location