[R] Web-scraping newbie - dynamic table into R?

John Kane jrkr|de@u @end|ng |rom gm@||@com
Sun Apr 19 22:38:26 CEST 2020


Keno <- read_html(Kenopage) ?

Or Am I misunderstanding the problem?

On Sun, 19 Apr 2020 at 15:10, Julio Farach <jfarach using gmail.com> wrote:

> How do I scrape the last 10 Keno draws from the Georgia lottery into R?
>
>
> I'm trying to pull the last 10 draws of a Keno lottery game into R.  I've
> read several tutorials on how to scrape websites using the rvest package,
> Chrome's Inspect Element, and CSS or XPath, but I'm likely stuck because
> the table I seek is dynamically generated using Javascript.
>
>
>
> I started with:
>
> >        install.packages("rvest")
>
> >   library(rvest)
>
> >        Kenopage <- "
>
> https://www.galottery.com/en-us/games/draw-games/keno.html#tab-winningNumbers
> "
>
> > Keno <- Read.hmtl(Kenopage)
>
> From there, I've been unable to progress, despite hours spend on
> combinations of CSS and XPath calls with "html_notes."
>
> Failed example: DrawNumber <- Keno %>% rvest::html_nodes("body") %>%
> xml2::xml_find_all("//span[contains(@class,'Draw Number')]") %>%
> rvest::html_text()
>
>
>
> Someone mentioned using the V8 package in R, but it's new to me.
>
> How do I get started?
>
> --
>
> Julio Farach
> https://www.linkedin.com/in/farach
> cell phone:  804/363-2161
> email:  JFarach using gmail.com
>
>         [[alternative HTML version deleted]]
>
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>


-- 
John Kane
Kingston ON Canada

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