##########################################################################################
# Designed and developed by Tinniam V Ganesh
# Date : 12 May 2016
# Function: batsmanCumulativeStrikeRate
# This function computes and plots the cumulative average strike rate of a batsman
#
###########################################################################################
batsmanCumulativeStrikeRate <- function(file,name="A Leg Glance"){
strikeRate=cs=no=BF=Runs=NULL
df <- clean(file)
df <- mutate(df,strikeRate=(Runs/BF)*100)
b <- select(df,strikeRate)
b$no<-seq.int(nrow(b))
c <- select(b,no,strikeRate)
d <- mutate(c,cs=cumsum(strikeRate)/no)
plot.title= paste(name,"- Cumulative Strike Rate vs No of innings")
ggplot(d) + geom_line(aes(x=no,y=cs),col="blue") +
xlab("No of innings") + ylab("Cumulative Avg. Strike Rates") +
ggtitle(bquote(atop(.(plot.title),
atop(italic("Data source:ESPN Cricinfo"),""))))
}
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