milk

Description

Dataset to illustrate the selection of variables in regression

Usage

data(milk)

Format

Dataset with 85 rows and 6 columns : 85 milks described by the 5 variables: density, fat content, protein, casein, dry, yield

Examples

data(milk)
res = RegBest(y=milk[,6],x=milk[,-6])
res$best

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
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Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
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Type 'q()' to quit R.

> library(FactoMineR)
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/FactoMineR/milk.Rd_%03d_medium.png", width=480, height=480)
> ### Name: milk
> ### Title: milk
> ### Aliases: milk
> ### Keywords: datasets
> 
> ### ** Examples
> 
> 
> data(milk)
> res = RegBest(y=milk[,6],x=milk[,-6])
> res$best

Call:
lm(formula = as.formula(as.character(formul)), data = don)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.60149 -0.25261 -0.01715  0.24097  1.07494 

Coefficients:
            Estimate Std. Error t value Pr(>|t|)    
(Intercept)  1.84751    1.34436   1.374 0.173149    
fat          0.10449    0.03028   3.451 0.000891 ***
protein      0.11660    0.03432   3.398 0.001056 ** 
dry          0.04036    0.01790   2.255 0.026821 *  
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 0.3169 on 81 degrees of freedom
Multiple R-squared:  0.6027,	Adjusted R-squared:  0.588 
F-statistic: 40.96 on 3 and 81 DF,  p-value: 3.296e-16

> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>