qqtest functionality

main functions for quantile quantile testing

qqtest()

qqtest A self-calibrated quantile-quantile plot for assessing distributional shape.

revealLocation()

revealLocation Revealing locations encoded as a string calculation.

hideLocation()

hideLocation Obfuscating the true location of the real data.

K distribution

Density, distribution function, quantile function and random generation for the K distribution

dkay()

dkay The density function of the K distribution

pkay()

pkay The cumulative distribution function K distribution

qkay()

qkay The K distribution quantile function

rkay()

rkay The K distribution - generating pseudo-random values

Data

A collection of historical data sets used to illustrate quantile quantile plots.

bacteria

Bacteria from Delaware River water entering the Torresdale Filter of the Philadelphia water supply 1913.

penicillin

31 contrast sums from a 32 run 2^(5-0) factorial experiment on penicillin production.

primer

Automobile primer paint thickness quality control measurements.

pullstrength

Strength of pull for 519 males aged 23-26.

sittingHeights

Sitting height in inches of female adults (aged 23-50).

stacklossDistances

Mahalanobis squared distances of Brownlee's stack loss plant operation data based only on the explanatory variates (air flow, water temperature, and acid concentration).

WachusettReservoir

Storage, in millions of gallons daily per square mile of net land area, at the Wachusett Reservoir in Massacusetts - storage computed for each of several rates of draft (draft being a determined maintainable flow in 1,000s of gallons per square mile daily).