Data Analysis and Visualization for Skyscape Archaeology
Retrieves horizon altitude for a given azimuth from a given horizon pr...
Returns the high-density region of a probability distribution
Converts Julian date and time (in any timezone) to julian date
Declination of June Solstice for a given year
Converts day-month in 'MM-DD' format to a more readable format
Estimates magnetic declination (difference between true and magnetic n...
Computes the phase of the moon
Declination of northern major Lunar Extreme for a given year
Declination of northern minor Lunar Extreme for a given year
Computes obliquity of the ecliptic
Declination of the anti-zenith sun for a given location
Convert discrete azimuth measurements into probability distributions
Calculates declination from azimuth and altitude measurements
Converts year number (epoch) to calendar year
Execute a (series of) Bernoulli trial(s)
Computes position of Solar System bodies in equatorial coordinates
Coordinate-transform azimuth prob distributions into declination prob ...
Create skyscapeR.horizon object from Az/Alt data
Create and download horizon data from HeyWhatsThat
(Defunct) Computes declination curvigram
Download horizon data from HeyWhatsThat
Declination of December Solstice for a given year
Equinoctial Full Moons
Declination of the sun at the Equinox
Exports a skyscapeR.horizon object into Stellarium format
Find celestial targets within declination and time ranges
Calculate visible path of celestial object at given location
Corrected parallax for a given location and object altitude
Plot horizon data
Plot orientation probability distributions
Plot significance test of orientations
Plot orientation summed probability density
Plot stellar phase and seasonality
Polar plot of orientations (azimuths)
Bar plot of orientations (declination)
Prints significance test results
Converts p-value into symbol
Significance test against the null hypothesis of random orientation
Data reduction for compass measurements
Data reduction for theodolite measurements using the sun-sight method
Computes the rising and setting azimuth, declination and time of a Sol...
(Defunct) Perform a null hypothesis significance test of a given curvi...
Creates a skyscapeR.object for plotting of celestial objects at gi...
Create a simplistic sketch of the sky at a given moment in time
See and change the global variables used by skyscapeR
Declination of southern major Lunar Extreme for a given year
Declination of southern minor Lunar Extreme for a given year
Solar Date
Declination of the spatial equinox for a given location
Summed probability density (SPD)
Calculate the seasons and phase type of a star
Create skyscapeR.star object
Returns the azimuth of the sun at a given time from a specific locatio...
Converts degree measurements in deg-min-sec (º ' ") format into decima...
Converts date and time (in any timezone) to Julian date
Converts date and time numeric values to a single string
Declination of the zenith sun for a given location
Data reduction, visualization and statistical analysis of measurements of orientation of archaeological structures, following Silva (2020) <doi:10.1016/j.jas.2020.105138>.