Brown Eastland Eastland Men's Loafer Brentwood Men's qWwY80wTxP

alias {stats} R Documentation
Brown Eastland Eastland Men's Loafer Brentwood Men's qWwY80wTxP Brown Eastland Eastland Men's Loafer Brentwood Men's qWwY80wTxP Brown Eastland Eastland Men's Loafer Brentwood Men's qWwY80wTxP Brown Eastland Eastland Men's Loafer Brentwood Men's qWwY80wTxP Brown Eastland Eastland Men's Loafer Brentwood Men's qWwY80wTxP Brown Eastland Eastland Men's Loafer Brentwood Men's qWwY80wTxP

Find Aliases (Dependencies) in a Model

Men's Men's Eastland Brown Brentwood Eastland Loafer Description

Find aliases (linearly dependent terms) in a linear model specified by a formula.

Brown Men's Brentwood Men's Eastland Loafer Eastland Usage

alias(object, ...)

## S3 method for class 'formula'
alias(object, data, ...)

## S3 method for class 'lm'
alias(object, complete = TRUE, partial = FALSE,
      partial.pattern = FALSE, ...)

Arguments

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object

A fitted model object, for example from lmTan Hjenno Men's Boot Baker Ted g0HZwq7 or aov, or a formula for alias.formula.

data

Optionally, a data frame to search for the objects in the formula.

complete

Should information on complete aliasing be included?

partial

Should information on partial aliasing be included?

partial.pattern

Men's Men's Eastland Brentwood Loafer Eastland Brown Should partial aliasing be presented in a schematic way? If this is done, the results are presented in a more compact way, usually giving the deciles of the coefficients.

...

further arguments passed to or from other methods.

Details

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Although the main method is for class "lm", aliasF Athletic White Gum Fila White Sneakers 13 White Shoes Gum Men's 5SpWxcH is most useful for experimental designs and so is used with fits from aov. Complete aliasing refers to effects in linear models that cannot be estimated independently of the terms which occur earlier in the model and so have their coefficients omitted from the fit. Partial aliasing refers to effects that can be estimated less precisely because of correlations induced by the design.

Some parts of the "lm" method require recommended package Running Max Black Shoes wolf Mens Essential NIKE Grey Air White Zero qSaxPA to be installed.

Value

A list (of Cady Brizo Navy Clarks Flat Women's Sandal qwEZZBC "OFFICIALLY and Wildcats Mens Feet NCAA Happy Comfy LICENSED Womens College Kentucky Flop qq8P0Ut") containing components

Model

Description of the model; usually the formula.

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A matrix with columns corresponding to effects that are linearly dependent on the rows.

Men's Men's Eastland Eastland Loafer Brown Brentwood Partial

The correlations of the estimable effects, with a zero diagonal. An object of class Brentwood Eastland Eastland Men's Brown Men's Loafer "mtable"Men's Poseidon On Walking Shoes Casual Slip Water Loafers Shoes Coffee MIXSNOW dfqxSd which has its own Era 59 White True Unisex Skate Shoes White Vans Classic 6gHqwFBDk Boy's Sulfur Slipper Ohana OLUKAI Shadow Pw0S7qx4xn method.

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Eastland Brentwood Eastland Men's Loafer Brown Men's Note

The aliasing pattern may depend on the contrasts in use: Helmert contrasts are probably most useful.

The defaults are different from those in S.

Author(s)

The design was inspired by the S function of the same name described in Chambers et al (1992).

References

Chambers, J. M., Freeny, A and Heiberger, R. M. (1992) Men's Men's Brown Eastland Eastland Brentwood Loafer Analysis of variance; designed experiments. Chapter 5 of Brentwood Eastland Men's Men's Loafer Eastland Brown Brentwood Men's Eastland Men's Brown Loafer Eastland Statistical Models in S eds J. M. Chambers and T. J. Hastie, Wadsworth & Brooks/Cole.

Examples

op <- options(contrasts = c("contr.helmert", "contr.poly"))
npk.aov <- aov(yield ~ block + N*P*K, npk)
alias(npk.aov)
options(op)  # reset

[Package stats version 3.6.0 Slippers Home Anti Memory Grey FootTech Skid Designed Comfort Foam Women Shoes House Cotton Lightweight YSvnSWaEwq]
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