[R] Accessing Pointers

[Roy Mendelssohn - NOAA Federal]

Hi Lawrence:
> On Jun 22, 2017, at 4:26 PM, David Winsemius <dwinsemius at comcast.net> wrote:
> 
> 
> 
>> is pointing to in the following line of code.  Need some help.
>> 
>> #install.packages('xml2')
>> library('xml2')
>> pg1 <- read_html("www.msn.com")
> 
> Error: 'www.msn.com' does not exist in current working directory ('/Users/davidwinsemius').
> 
> 

I suggest you do:

?read_html

and peruse it carefully.  You are not passing it a URL.

> library('xml2')
> pg1 <- read_html("http://www.msn.com")
> str(pg1)
List of 2
 $ node:<externalptr> 
 $ doc :<externalptr> 
 - attr(*, "class")= chr [1:2] "xml_document" "xml_node"


**********************
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**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
***Note new street address***
110 McAllister Way
Santa Cruz, CA 95060
Phone: (831)-420-3666
Fax: (831) 420-3980
e-mail: Roy.Mendelssohn at noaa.gov www: http://www.pfeg.noaa.gov/

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