MagIC Method Codes

Magnetics Information Consortium (MagIC)
Development and Maintenance by the EarthRef.org Database Team

MagIC Method Codes

Code	Method Type	IAGA7	URL	Description
DE-BFL	Direction Estimation		LINK	Best fit line. Kirschvink 1980.
DE-BFL-A	Direction Estimation			Best fit line: Linear regression anchored in the origin.
DE-BFL-O	Direction Estimation			Best fit line: Linear regression with origin included but not anchored in calculations.
DE-BFP	Direction Estimation		LINK	Best fit plane. Kirschvink 1980.
DE-BFP-G	Direction Estimation			Best fit plane: Great circle.
DE-BFP-S	Direction Estimation			Best fit plane: Small circle.
DE-BS	Direction Estimation			Bingham statistics.
DE-DI	Direction Estimation	Ptype D		Pole latitude and longitude calculation from mean declination-inclination. Cox & Doell 1960.
DE-FM	Direction Estimation			Fisher mean. Fisher 1953.
DE-FM-LP	Direction Estimation			Fisher mean: Line and planes. McFadden & McElhinny 1988.
DE-FM-UV	Direction Estimation			Fisher mean: Unit vectors. McFadden & McElhinny 1988.
DE-K	Direction Estimation			Kappa estimation. Fisher 1953.
DE-K-F	Direction Estimation			Kappa estimation: McFadden's (1980) best estimate of Fisherian Kappa, given by Kf=(N-1)/(N-R), an unbiased estimate for 1/kappa. Fisher 1953, McFadden 1980.
DE-K-ML	Direction Estimation			Kappa estimation: Maximum likelihood estimate of Fisherian Kappa, given by Kml=N/(N-R). McFadden 1980.
DE-K-RAT	Direction Estimation			Kappa estimation: Ratio of Kappa's from two different distributions. Watson 1956b.
DE-K-U	Direction Estimation			Kappa estimation: Unbiased estimate of Fisherian Kappa, given by Ku=(N-2)/(N-R). McFadden 1980.
DE-MAD	Direction Estimation		LINK	Maximum angle of deviation. Kirschvink 1980.
DE-MAD-L	Direction Estimation		LINK	Maximum angle of deviation: Estimated about best-fit line. Kirschvink 1980.
DE-MAD-P	Direction Estimation		LINK	Maximum angle of deviation: Estimated about best-fit plane. Kirschvink 1980.
DE-POLE	Direction Estimation			Generic paleomagnetic pole.
DE-RAN	Direction Estimation			Uses R to test for randomness of set of directions. Watson 1956a.
DE-V	Direction Estimation			Definition of parameter V for different sets of N & R directions. Watson 1980.
DE-VGP	Direction Estimation	Ptype V		Pole latitude and longitude calculation from mean VGP. Cox & Doell 1960.
DE-VM	Direction Estimation			Vector mean, including magnitude of vector, rather than just Fisher mean unit vectors.