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Fietstelpaal
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# Gegevens ophalen van GitHub:
data <- read.csv(
"https://raw.githubusercontent.com/RobbeW/Data_Statistiek_R/main/bronnen/fietstelpaal-visserij-2023-gent.csv",
sep = ";", header = TRUE, stringsAsFactors = FALSE
)
# Totalen per dag:
data <- data.frame(
aggregate(totaal ~ datum, data, sum),
tegenrichting = aggregate(tegenrichting ~ datum, data, sum)$tegenrichting,
hoofdrichting = aggregate(hoofdrichting ~ datum, data, sum)$hoofdrichting
)
# Bepaal nu het gevraagde:
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