[R] Assistance with httr package with R version 3.3.0

Jim Lemon drjimlemon at gmail.com
Tue May 10 08:52:38 CEST 2016


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
>
>         [[alternative HTML version deleted]]
>
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