WHO Monica Data
The monica data frame has 6357 rows and 12 columns. Note
that mifem is the female subset of this data frame.
monica
This data frame contains the following columns:
mortality outcome, a factor with levels live,
dead
age at onset
m = male, f = female
y = hospitalized, n = not hospitalized
year of onset
previous myocardial infarction event, a
factor with levels y, n, nk not known
smoking status, a factor with levels c
current, x ex-smoker, n non-smoker, nk not known
a factor with levels y, n, nk not
known
high blood pressure, a factor with levels
y, n, nk not known
high cholesterol, a factor with levels
y, n nk not known
a factor with levels y,
n, nk not known
a factor with levels
y, n, nk not known
Newcastle (Australia) centre of the Monica project; see the web site http://www.ktl.fi/monica
print("CART - Example 10.7")
summary(monica)
pause()
require(rpart)
monica.rpart <- rpart(outcome ~ ., data = monica, cp = 0.0025)
plotcp(monica.rpart)
printcp(monica.rpart)
pause()
monicab.rpart <- prune(monica.rpart, cp=0.006)
print(monicab.rpart)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.