chisquare_solve (pyleoclim.utils.wavelet.chisquare_solve)

pyleoclim.utils.wavelet.chisquare_solve(XGUESS, P, V)[source]

Given XGUESS, a percentile P, and degrees-of-freedom V, return the difference between calculated percentile and P.

Parameters

  • XGUESS (float) – sig level

  • P (float) – percentile

  • V (float) – degrees of freedom

Returns

PDIFF – difference between calculated percentile and P

Return type

float

References

Torrence, C. and G. P. Compo, 1998: A Practical Guide to Wavelet Analysis. Bull. Amer. Meteor. Soc., 79, 61-78. Python routines available at http://paos.colorado.edu/research/wavelets/