E2.6 | R Documentation |
The E2.6
data frame has 10 rows and 2 columns.
data(E2.6)
This data frame contains the following columns:
a numeric vector, actual voltage.
a numeric vector, voltage computed from the measured power outout (using light output from electronic flash).
A definition of efficiency is the ratio V.c
/V.a
. Obtain
a model for efficiency E as a regresion in V.a
. Use a quadratic polynomial.
Examine the fit.
Armin Lehning, Speedotron Corporation.
data(E2.6)
E2.6.m1 <- lm(V.c/V.a ~ V.a + I(V.a^2), data=E2.6)
plot(E2.6.m1)
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