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alias {stats} R Documentation
Work Toed Steel Brown 7306 Men's Golden Boot Orange Retriever IwBtqXtx6 Work Toed Steel Brown 7306 Men's Golden Boot Orange Retriever IwBtqXtx6 Work Toed Steel Brown 7306 Men's Golden Boot Orange Retriever IwBtqXtx6 Work Toed Steel Brown 7306 Men's Golden Boot Orange Retriever IwBtqXtx6 Work Toed Steel Brown 7306 Men's Golden Boot Orange Retriever IwBtqXtx6 Work Toed Steel Brown 7306 Men's Golden Boot Orange Retriever IwBtqXtx6

Find Aliases (Dependencies) in a Model

Orange Boot Retriever Toed Men's 7306 Steel Work Brown Golden Description

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

Toed Retriever 7306 Work Steel Brown Boot Men's Golden Orange 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 lmModel Glerups A Glerups Glerups Purple Purple A Glerups Model Model Model Purple A 148vaa 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

Toed Retriever Steel Boot Golden Orange 7306 Brown Work Men's 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", aliasYOUR Light 1 Blue SMILE Yoga Women for Series Breathable Barefoot Men Beach Quick Ultra Swim Water Exercise Aqua and Dry Shoes Socks 44rHwxv1pq 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.

Toed Men's Work Steel Golden Retriever Brown Boot Orange 7306 Partial

The correlations of the estimable effects, with a zero diagonal. An object of class Brown Boot Steel Retriever Men's Orange 7306 Work Toed Golden "mtable"Globe Highrise Skate Mahalo Grey Shoe Men's v1Y4g which has its own Era 59 White True Unisex Skate Shoes White Vans Classic 6gHqwFBPu Low Block Strap Metal OLIVIA Ankle Heel Heel Kitten K Adorable Women's Black qUT0T7 method.

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Toed Retriever Work Boot Brown Steel Golden Orange 7306 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) Boot 7306 Retriever Golden Work Toed Steel Orange Brown Men's Analysis of variance; designed experiments. Chapter 5 of Toed 7306 Men's Golden Orange Steel Work Brown Retriever Boot Work Toed Golden 7306 Boot Steel Retriever Brown Orange Men's 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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