wtloss
From MASS v7.3-53
by Brian Ripley
Weight Loss Data from an Obese Patient
The data frame gives the weight, in kilograms, of an obese patient at 52 time points over an 8 month period of a weight rehabilitation programme.
- Keywords
- datasets
Usage
wtloss
Format
This data frame contains the following columns:
Days
time in days since the start of the programme.
Weight
weight in kilograms of the patient.
References
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
Examples
# NOT RUN {
## IGNORE_RDIFF_BEGIN
wtloss.fm <- nls(Weight ~ b0 + b1*2^(-Days/th),
data = wtloss, start = list(b0=90, b1=95, th=120))
wtloss.fm
## IGNORE_RDIFF_END
plot(wtloss)
with(wtloss, lines(Days, fitted(wtloss.fm)))
# }
Community examples
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