Description Usage Format Examples
The data was collected to see if how the yields from a particular chemical process were associated with higher or lower flows and conversion percentages
1 |
A data frame with 44 observations on the following 4 variables:
yield
yield
conversion
conversion as a percentage
flow
flow
ratio
ratio
1 2 3 |
Loading required package: s20x
Loading required package: leaps
Loading required package: rgl
Loading required package: lattice
Warning messages:
1: In rgl.init(initValue, onlyNULL) : RGL: unable to open X11 display
2: 'rgl.init' failed, running with 'rgl.useNULL = TRUE'.
Call:
lm(formula = yield ~ ., data = chem.df)
Residuals:
Min 1Q Median 3Q Max
-8.1715 -1.3101 0.1171 1.5926 5.5769
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 113.011270 14.631935 7.724 1.88e-09 ***
conversion -5.189435 1.149651 -4.514 5.49e-05 ***
flow -0.006983 0.004467 -1.563 0.126
ratio -0.055762 15.755755 -0.004 0.997
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Residual standard error: 3.118 on 40 degrees of freedom
Multiple R-squared: 0.46, Adjusted R-squared: 0.4195
F-statistic: 11.36 on 3 and 40 DF, p-value: 1.591e-05
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