Climate and agreement statistics

AceIndex: accumulated cyclone energy. BudykoOlr: linearised outgoing longwave radiation and energy-balance equilibrium. PrewhitenedMannKendall: Mann-Kendall test after prewhitening (von Storch) or trend-free prewhitening (Yue et al.), as modifiedmk. FleissKappa: Fleiss' kappa with the null standard error, as irr::kappam.fleiss. EmpiricalBreakdownPoint: replacement breakdown point of an estimator. Identical to the Python arm morie.fn.envstats.

Usage

BudykoOlr(T, A = 203.3, B = 2.09, S0 = 1361, albedo = 0.3)

PrewhitenedMannKendall(x, method = "tfpw")

FleissKappa(counts)

EmpiricalBreakdownPoint(estimator, x, magnitude = 1e+12, tol = 1e+06)

Arguments

T

Temperature (degrees C).

A, B

OLR intercept and slope.

S0

Solar constant.

albedo

Planetary albedo.

x

Series or sample.

method

"pw" or "tfpw".

counts

Subjects by categories matrix of rating counts.

estimator

Function of a numeric vector.

magnitude, tol

Contamination size and breakdown tolerance.

Value

Number or list.

References

Bell, G. D. et al. (2000). Climate assessment for 1999. Bulletin of the American Meteorological Society 81, S1-S50.

North, G. R., Cahalan, R. F. and Coakley, J. A. (1981). Energy balance climate models. Reviews of Geophysics and Space Physics 19, 91-121.

Yue, S., Pilon, P., Phinney, B. and Cavadias, G. (2002). The influence of autocorrelation on the ability to detect trend in hydrological series. Hydrological Processes 16, 1807-1829.

Fleiss, J. L. (1971). Measuring nominal scale agreement among many raters. Psychological Bulletin 76, 378-382.

Donoho, D. L. and Huber, P. J. (1983). The notion of breakdown point. A Festschrift for Erich L. Lehmann, 157-184.

Examples

FleissKappa(rbind(c(3, 0), c(0, 3), c(2, 1), c(3, 0)))$kappa
#> [1] 0.625
EmpiricalBreakdownPoint(median, 1:9)$breakdown_point
#> [1] 0.5555556