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

MagIC Method Codes
Code Method Type IAGA7 URL Description
SM-1D Statistical Method   First derivative.
SM-1DMAX Statistical Method   Maximum on first derivative.
SM-1DZERO Statistical Method   Zero on first derivative.
SM-2D Statistical Method   Second derivative.
SM-2DMAX Statistical Method   Maximum on second derivative.
SM-2DZERO Statistical Method   Zero on second derivative.
SM-2TAN Statistical Method   Two tangents.
SM-AVE Statistical Method   Arithmetic mean.
SM-AVEDEV Statistical Method   Average of the absolute deviations of data points from their mean.
SM-BOOT Statistical Method   Bootstrap.
SM-BOOT-67 Statistical Method   Bootstrap with 67% confidence bounds.
SM-BOOT-95 Statistical Method   Bootstrap with 95% confidence bounds.
SM-BOOT-PAR Statistical Method   Parametric bootstrap.
SM-BOOT-PAR-67 Statistical Method   Parametric bootstrap with 67% confidence bounds.
SM-BOOT-PAR-95 Statistical Method   Parametric bootstrap with 95% confidence bounds.
SM-BS Statistical Method   Background subtraction.
SM-CHITEST Statistical Method   Test for independence.
SM-COVAR Statistical Method   Covariance.
SM-DEVSQ Statistical Method   Sum of squares of deviations.
SM-DIG-GRAPH Statistical Method   Digitization of data from diagrams and plots.
SM-EXT Statistical Method   Extrapolation.
SM-EXT-LIN Statistical Method   Linear extrapolation from above critical temperature. Linear temperature dependence of inverse susceptibility above ordering temperature of ferromagnets. Petrovsky & Kapicka 2006.
SM-EXT-NL1 Statistical Method   Non-linear extrapolation from above critical temperature. Hyperbolic temperature dependence of inverse susceptibility above ordering temperature of ferromagnets. Petrovsky & Kapicka 2006.
SM-EXT-NL2 Statistical Method   Non-linear extrapolation from below critical temperature. Theoretical decay of Ms versus T to estimate Curie temperature. Moskowitz 1981.
SM-EYE Statistical Method   Eyeball estimation.
SM-FISHER Statistical Method   Fisher transformation.
SM-FISHER-INV Statistical Method   Inverse Fisher transformation.
SM-FTEST Statistical Method   Statistical F-test.
SM-GEOMEAN Statistical Method   Geometric mean.
SM-HARMEAN Statistical Method   Harmonic mean.
SM-INT Statistical Method   Interpolation.
SM-KURT Statistical Method   Kurtosis.
SM-MEDIAN Statistical Method   Median of the given numbers.
SM-MODE Statistical Method   Most common value in a data set.
SM-PEARSON Statistical Method   Pearson product moment correlation coefficient.
SM-QUARTILE Statistical Method   Quartile of a data set.
SM-R2 Statistical Method   Correlation coefficient R2. Borradaile 2003.
SM-REG-LIN Statistical Method   Regression: First order or linear. Borradaile 2003.
SM-REG-POLY Statistical Method   Regression: High order polynomial. Borradaile 2003.
SM-REG-QDR Statistical Method   Regression: Second order or quadratical. Borradaile 2003.
SM-RSQ Statistical Method   Square of the Pearson product moment correlation coefficient.
SM-SKEW Statistical Method   Skewness of a distribution.
SM-SLOPE Statistical Method   Slope of the linear regression line.
SM-STDEV Statistical Method   Standard deviation.
SM-STDEV-OPT Statistical Method   .
SM-TTEST Statistical Method   Student's t-test.
SM-VAR Statistical Method   Variance.
SM-WF Statistical Method   Calculation of the weighting factor for site intensity average. Pr¿vot et al. 1985.
SM-YORK Statistical Method   Weighted linear regression by variance. York 1969.
SM-ZTEST Statistical Method   Z-test.
Click to return to previous page