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All the data for the Public Policy Analytics book by Ken Steif can be downloaded from this repo
the qBR
function has a typo where the probs
argument of the quantile
function is outside of the function call and located in the formatC
function call. see below:
big version:
as.character(formatC(quantile(df[[variable]]), digits = 3),
c(.01,.2,.4,.6,.8), na.rm=T)
correct version:
as.character(formatC(quantile(df[[variable]],
c(.01,.2,.4,.6,.8)),
digits = 3), na.rm=T)
Running the multiRIngBuffer()
function often results in the following error:
Error in `[.default`(thisRing, , ncol(thisRing)) :
incorrect number of dimensions
Some students got the error, while others did not. This may be unfortunately due to multiple versions of the functions around in labs and the book.
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