Tour de France

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# Gegevens ophalen en enkele manipulaties data <- read.csv("https://raw.githubusercontent.com/rfordatascience/tidytuesday/master/data/2020/2020-04-07/tdf_winners.csv", header = TRUE, colClasses = c("NULL", rep("character", 2), "NULL", rep("numeric", 8), rep("NULL", 7)) ) data <- na.omit(data) colnames(data)[1] <- "year" data$year <- substr(data$year, 1, 4) rownames(data) <- seq_len(nrow(data)) # Beantwoord hieronder de vragen
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