source_XlsxData loads Excel data stored at a URL (both http
and https) into R.source_XlsxData(url, sheet, sha1 = NULL, cache = FALSE,
clearCache = FALSE, ...)source_data. Note if you are using data stored using Git, this is not
the file's commit SHA-1 hash.read.xlsx from the xlsx package.read.xlsx, httr, source_data