Difference between revisions of "Worksheets/Week2"
Jump to navigation
Jump to search
Kevin Dunn (talk | contribs) |
Kevin Dunn (talk | contribs) |
||
| Line 4: | Line 4: | ||
# T = time used for baking: (-1) corresponds to 80 minutes and (+1) corresponds to 100 minutes | # T = time used for baking: (-1) corresponds to 80 minutes and (+1) corresponds to 100 minutes | ||
T | T = c(-1, +1, -1, +1) | ||
# F = quantity of fat used: (-1) corresponds to 20 g and (+1) corresponds to 30 grams | # F = quantity of fat used: (-1) corresponds to 20 g and (+1) corresponds to 30 grams | ||
F | F = c(-1, -1, +1, +1) | ||
# Response y is the crispiness | # Response y is the crispiness | ||
y | y = c(37, 57, 49, 53) | ||
# Fit a linear model | # Fit a linear model | ||
model_crispy | model_crispy = lm(y ~ T + F + T*F) | ||
summary(model_crispy) | summary(model_crispy) | ||
| Line 30: | Line 30: | ||
xT = -1 # corresponds to 110 minutes | xT = -1 # corresponds to 110 minutes | ||
xF = -1 # corresponds to 20 grams of fat | xF = -1 # corresponds to 20 grams of fat | ||
y.hat | y.hat = predict(model_crispy, data.frame(T = xT, F = xF)) | ||
paste0('Predicted value is: ', y.hat, ' crispiness.') | paste0('Predicted value is: ', y.hat, ' crispiness.') | ||
</code> | </code> | ||
</div></html> | </div></html> | ||