YouTip

# R pie() Function - Drawing Pie Charts [ R Language Examples](#) The R pie() function is used to draw pie charts, showing the proportion of each part in the whole. Pie charts are suitable for displaying the proportion relationship of no more than 5-6 categories. The pie() function syntax is as follows: pie(x, labels = names(x), radius = 0.8, main = "", col = NULL, clockwise = FALSE) **Parameter Description:** * **x** Numeric vector of each part. * **labels** Labels for each part. * **radius** Pie chart radius (0-1), default 0.8. ## Example # Market share data market_share <-c(35, 28, 20, 12, 5) names(market_share)<-c("Company A", "Company B", "Company C", "Company D", "Other") # Calculate percentage pct <-round(market_share /sum(market_share)*100, 1) labels<-paste(names(market_share), "n", pct, "%", sep ="") # Draw pie chart pie(market_share, labels=labels, main ="Market Share Distribution", col=c("steelblue", "coral", "seagreen", "gold", "gray")) Executing the above code will display a pie chart of each company's market share with percentage labels. [ R Language Examples](#)