out = Formaldehyde () ¶Determination of Formaldehyde
These data are from a chemical experiment to prepare a standard curve for the determination of formaldehyde by the addition of chromatropic acid and concentrated sulphuric acid and the reading of the resulting purple color on a spectrophotometer.
recordObservation record number.
carbCarbohydrate (ml).
optdenOptical Density
Bennett, N. A. and N. L. Franklin (1954). Statistical Analysis in Chemistry and the Chemical Industry. New York: Wiley.
McNeil, D. R. (1977). Interactive Data Analysis. New York: Wiley.
t = tblish.dataset.Formaldehyde;
figure
scatter (t.carb, t.optden)
# TODO: Add a linear model line
xlabel ("Carbohydrate (ml)")
ylabel ("Optical Density")
title ("Formaldehyde data")
# TODO: Add linear model summary output
# TOD: Add linear model summary plot