battingLabels {Lahman} | R Documentation |
These data frames provide descriptive labels for the variables in the
Batting
,
Pitching
and
Fielding
files (and related *Post
files).
They are useful for plots and other output using Label
.
data(battingLabels) data(fieldingLabels) data(pitchingLabels)
Each is data frame with observations on the following 2 variables.
variable
variable name
label
variable label
data(battingLabels)
str(battingLabels)
## 'data.frame': 24 obs. of 2 variables:
## $ variable: chr "playerID" "yearID" "stint" "teamID" ...
## $ label : chr "Player ID code" "Year" "Player's stint" "Team" ...
require(plyr)
# find and plot maximum number of homers per year
batHR <- ddply(subset(Batting, !is.na(HR)), .(yearID),
summarise, max=max(HR))
with(batHR, {
plot(yearID, max,
xlab=Label("yearID"), ylab=paste("Maximum", Label("HR")),
cex=0.8)
lines(lowess(yearID, max), col="blue", lwd=2)
abline(lm(max ~ yearID), col="red", lwd=2)
})