Assistance with httr package with R version 3.3.0
Hi Jim, Thank you for your suggestion. I have actually tried to upload XML and xml2 but nothing changed...any other suggestion? Kind regards, Luca
rm(list=ls()) library(httr) library(XML) library(xml2) #carico i dati da Google spreadsheets url <- "
https://docs.google.com/spreadsheets/d/102-jJ7x1YfIe4Kkvb9olQ4chQ_TS90jxoU0vAbFZewc/pubhtml?gid=0&single=true "
readSpreadsheet <- function(url, sheet = 1){
+ r <- GET(url)
+ html <- content(r)
+ sheets <- readHTMLTable(html, header=FALSE, stringsAsFactors=FALSE)
+ df <- sheets[[sheet]]
+ dfClean <- function(df){
+ nms <- t(df[1,])
+ names(df) <- nms
+ df <- df[-1,-1]
+ row.names(df) <- seq(1,nrow(df))
+ df
+ }
+ dfClean(df)
+ }
dati <- readSpreadsheet(url)
Error in (function (classes, fdef, mtable) : unable to find an inherited method for function ?readHTMLTable? for signature ?"xml_document"?
rm(readSpreadsheet,url)
2016-05-10 8:52 GMT+02:00 Jim Lemon <drjimlemon at gmail.com>:
Hi Luca, The function readHTMLtable is in the XML package, not httr. Perhaps that is the problem as I don't see a dependency in httr for XML (although xml2 is suggested). Jim On Tue, May 10, 2016 at 2:58 PM, Luca Meyer <lucam1968 at gmail.com> wrote:
Hello, I am trying to run a code I have been using for a few years now after downloading the new R version 3.3.0 and I get the following error:
rm(list=ls()) library(httr) #carico i dati da Google spreadsheets url <- "
https://docs.google.com/spreadsheets/d/102-jJ7x1YfIe4Kkvb9olQ4chQ_TS90jxoU0vAbFZewc/pubhtml?gid=0&single=true
"
readSpreadsheet <- function(url, sheet = 1){
+ r <- GET(url)
+ html <- content(r)
+ sheets <- readHTMLTable(html, header=FALSE, stringsAsFactors=FALSE)
+ df <- sheets[[sheet]]
+ dfClean <- function(df){
+ nms <- t(df[1,])
+ names(df) <- nms
+ df <- df[-1,-1]
+ row.names(df) <- seq(1,nrow(df))
+ df
+ }
+ dfClean(df)
+ }
dati <- readSpreadsheet(url)
Error in (function (classes, fdef, mtable) : unable to find an inherited method for function ?readHTMLTable? for signature ?"xml_document"?
rm(readSpreadsheet,url)
Can anyone suggest a solution to it?
Thanks,
Luca
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