fit.joel: Function fit.joel In GrimR: Calculate Optical Parameters from Spindle Stage Measurements

Description

Calculate the angle between the optical axes 2V, the optical axes in cartesian and polar coordinates and the principal axes of the dielectric tensor in cartesian and polar coordinates.

Usage

 1 fit.joel(Data, MR = NULL, cw = c("ccw", "cw"),optimMR=FALSE)

Arguments

 Data (data frame) containing the spindle angles S and the extinction angles ES MR (numeric) The reference azimuth; If numeric and optimMR==TRUE, this value will be used as a starting value for further optimization. If NULL, a starting value will be guessed. cw (character) string "cw" for a clockwise graduated table, "ccw" for a counter-clockwise graduated table (default) optimMR (logical) If FALSE, the provided MR will be used without further refinement, if TRUE, the MR will be refined so as to minimize the deviance

Value

(list) with elements:

 coeffs list of the fitted parameters covmat matrix of covariances of the parameters delta2V list of estimate of 2V, its standard deviation and upper and lower confidence limits kart data frame with cartesian coordinates of the axes, sd, and confidence intervals sphaer data frame with S and ES values of the axes, sd, and confidence intervals principal data frame with S and MS angles to bring axes into extinction Extinctions data frame with S, MS, ES, calculated ES and ES-ES calculated Wulffdat data necessary to create a plot on the Wulff stereonet

Author(s)

Florian Dufey <GrimR@gmx.de>

Examples

 1 2 3 4 5 6 # With 360 deg. data: res<-fit.joel(Carman,MR=NULL,cw="ccw",optimMR=TRUE) Wulffplot(res) #Plot data on a Wulff net #with 180 degree data: res<-fit.joel(Gunter,MR=-0.89,cw="cw",optimMR=FALSE) Wulffplot(res) #Plot data on a Wulff net

GrimR documentation built on May 1, 2019, 9:12 p.m.