Volume of injected waste water from Rocky Mountain Arsenal and number of earthquakes near Denver

Description

Data for Exercise 9.18

Usage

Wastewat

Format

A data frame with 44 observations on the following 4 variables.

gallons

a numeric vector

number

a numeric vector

ln.no.

a numeric vector

index

a numeric vector

Source

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Duxbury

Examples

str(Wastewat)
attach(Wastewat)
model <- lm(number~gallons)
summary(model)
detach(Wastewat)
remove(model)

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)

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> library(BSDA)
Loading required package: e1071
Loading required package: lattice

Attaching package: 'BSDA'

The following object is masked from 'package:datasets':

    Orange

> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/BSDA/Wastewat.Rd_%03d_medium.png", width=480, height=480)
> ### Name: Wastewat
> ### Title: Volume of injected waste water from Rocky Mountain Arsenal and
> ###   number of earthquakes near Denver
> ### Aliases: Wastewat
> ### Keywords: datasets
> 
> ### ** Examples
> 
> str(Wastewat)
'data.frame':	44 obs. of  4 variables:
 $ gallons: num  4.2 7.2 8.4 8 5.2 6 5 5.6 4 3.6 ...
 $ number : int  NA 2 12 35 23 29 24 8 6 20 ...
 $ ln.no. : num  NA 0.693 2.485 3.555 3.135 ...
 $ index  : int  1 2 3 4 5 6 7 8 9 10 ...
> attach(Wastewat)
> model <- lm(number~gallons)
> summary(model)

Call:
lm(formula = number ~ gallons)

Residuals:
    Min      1Q  Median      3Q     Max 
-28.881  -8.961  -0.300   3.176  59.151 

Coefficients:
            Estimate Std. Error t value Pr(>|t|)    
(Intercept)   3.5895     3.4834   1.030    0.309    
gallons       3.7905     0.7843   4.833 1.91e-05 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 14.33 on 41 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.363,	Adjusted R-squared:  0.3474 
F-statistic: 23.36 on 1 and 41 DF,  p-value: 1.915e-05

> detach(Wastewat)
> remove(model)
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>