In RStudio the following code will return 3 2 when I use the dim function. Can someone explain to me step-bystep how RStudio gets to the following result? dfch <- data.frame( "City" = c("St.Gallen", "Lausanne", "Zürich" ), "PartyLeft" = c(35, 45, 55), "PartyRight" = c(40, 35, 30) ) dim(dfch[ , dfch$PartyLeft > 40] Also when we use dfch[ , dfch$PartyLeft > 40 ] returns a 3x2 matrix with column PartyLeft and PartyRight. How does RStudio proceed to get to that answer?
In RStudio the following code will return 3 2 when I use the dim function. Can someone explain to me step-bystep how RStudio gets to the following result? dfch <- data.frame( "City" = c("St.Gallen", "Lausanne", "Zürich" ), "PartyLeft" = c(35, 45, 55), "PartyRight" = c(40, 35, 30) ) dim(dfch[ , dfch$PartyLeft > 40] Also when we use dfch[ , dfch$PartyLeft > 40 ] returns a 3x2 matrix with column PartyLeft and PartyRight. How does RStudio proceed to get to that answer?
Chapter3: Performing Calculations With Formulas And Functions
Section: Chapter Questions
Problem 3.15CP
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In RStudio the following code will return 3 2 when I use the dim function. Can someone explain to me step-bystep how RStudio gets to the following result?
dfch <- data.frame(
"City" = c("St.Gallen", "Lausanne", "Zürich" ),
"PartyLeft" = c(35, 45, 55),
"PartyRight" = c(40, 35, 30)
)
dim(dfch[ , dfch$PartyLeft > 40]
Also when we use dfch[ , dfch$PartyLeft > 40 ] returns a 3x2 matrix with column PartyLeft and PartyRight. How does RStudio proceed to get to that answer?
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