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linear
2012 Mar 27
4
Help on predict.lm
...ns with known concentration of Bromide:
> stds
abs conc
1 -0.0021 0
2 0.1003 200
3 0.2395 500
4 0.3293 800
On this small calibration series, I perform a linear regression to find the
parameter estimates of the relationship between absorbance (abs) and
concentration (conc):
> linear1 <- lm(abs~conc, data=stds)
> summary(linear1)
Call:
lm(formula = abs ~ conc, data = stds)
Residuals:
1 2 3 4
-0.012600 0.006467 0.020667 -0.014533
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 1.050e-02 1.629e-02 0....