probplot {qAnalyst}R Documentation

Function to plot probability plots

Description

probplot plots probability plot for a vector of values, given distribution specifications. Confidence intervals and a legend can be plot too.

Usage

probplot(x, distribution, theta, confintervals = FALSE,
    confidence = 0.95,  name = deparse(substitute(x)))

Arguments

x

a vector of values.

distribution

character specifying distribution to plot

theta

vector of parameter. Estimated by the function if left missing

confintervals

logical item, indicating wherether confidence interval have to be plotted or not.

confidence

confidence 1-\alpha level.

name

name of variable plotted.

Details

(x,y) values represent respectively original data and corresponding quantiles of theorethical estimated distribution. If the theoretical distribution fits data well, values should lies around the straight line plotted.

Value

probplot returns no value

Note

No notes

Author(s)

Giorgio Spedicato

References

No references

See Also

funInfoFun

Examples

data(warpTiles)

probplot(x=warpTiles$warping,distribution="weibull", confintervals=TRUE,
    confidence=.95,  name="warping")

[Package qAnalyst version 0.6.4 Index]