[R] Object not found using GAMs in MGCV Package

Dontrece Smith smithdon2469 at gmail.com
Tue Jan 17 01:13:44 CET 2012


I used:

> Final <- read.csv("Final.csv", header=TRUE)


On 1/16/12, Jorge I Velez <jorgeivanvelez at gmail.com> wrote:
> Hi Dontrece,
>
> It looks like you do not have an object "Final" in your active session.
>  Could you please show us how you read your data, e.g., what commands you
> used and what's the result of ls()?
>
> As Sarah Goslee mentioned in an earlier post, you probably used
> read.table() or read.csv() but you haven't told us (yet).
>
> Regards,
> Jorge.-
>
>
> On Mon, Jan 16, 2012 at 7:04 PM, Dontrece Smith <> wrote:
>
>> Now, it read this:
>>
>> > library(mgcv)
>> This is mgcv 1.7-6. For overview type 'help("mgcv-package")'.
>> > gam(Atlantic ~ s(depth, bs="sos", k=4) + s(distance, bs="sos", k=4),
>> data = Final)
>> Error in inherits(x, "data.frame") : object 'Final' not found
>>
>>
>> On 1/16/12, Jorge I Velez <jorgeivanvelez at gmail.com> wrote:
>> > Hi,
>> >
>> > If "x" is your data, then
>> >
>> > gam(Atlantic ~ s(depth, bs="sos", k=4) + s(distance, bs="sos", k=4),
>> data =
>> > x)
>> >
>> > will do.  See examples in ?gam.
>> >
>> > BTW, how did you read your data in R?  What's the output of ls()?
>> >
>> > HTH,
>> > Jorge
>> > *
>> >
>> > *
>> >
>> > On Mon, Jan 16, 2012 at 6:29 PM, ruggeddon24 <> wrote:
>> >
>> >> This is my first time running GAMs in R.
>> >> My csv file has these column headings:
>> >>
>> >> "X"         "Y"         "Sound"     "Atlantic"  "Blacktip"  "Bonnet"
>> >> "Bull"      "Finetooth" "Lemon"     "Scalloped" "Sandbar"   "Spinner"
>> >> "Abundance" "Diversity" "Depth"     "Distance"  "Width"     "System"
>> >> "Channel"   "Profile"  "Bathy"     "Slope"     "Salinity"
>> >>  X is longitude and Y is Latitude.
>> >>
>> >> I typed in the code below and received the reply "Error in eval(expr,
>> >> envir,
>> >> enclos) : object 'Atlantic' not found".
>> >>
>> >> > library(mgcv)
>> >> This is mgcv 1.7-6. For overview type 'help("mgcv-package")'.
>> >> > help("mgcv-package")
>> >> starting httpd help server ... done
>> >> > gam(Atlantic ~ s(depth, bs="sos", k=4) + s(distance, bs="sos", k=4))
>> >> Error in eval(expr, envir, enclos) : object 'Atlantic' not found
>> >>
>> >> I do not have a clue how to fix this problem. Do I have too many
>> variables
>> >> or do I need to remove my x and y from the file? This data is being
>> >> used
>> >> to
>> >> assess the spatial distribution of shark abundance in relation to
>> >> environmental variables. I really cannot remove the x and y anyway.
>> >> Help
>> >> would be greatly appreciated.
>> >>
>> >> --
>> >> View this message in context:
>> >>
>> http://r.789695.n4.nabble.com/Object-not-found-using-GAMs-in-MGCV-Package-tp4301836p4301836.html
>> >> Sent from the R help mailing list archive at Nabble.com.
>> >>
>> >> ______________________________________________
>> >> R-help at r-project.org mailing list
>> >> https://stat.ethz.ch/mailman/listinfo/r-help
>> >> PLEASE do read the posting guide
>> >> http://www.R-project.org/posting-guide.html
>> >> and provide commented, minimal, self-contained, reproducible code.
>> >>
>> >
>>
>>
>> --
>> Dontrece Smith
>> Graduate Student
>> Savannah State University
>> 4906 Taylor Road
>> Savannah, GA 31404
>> (770) 401-3371
>>
>


-- 
Dontrece Smith
Graduate Student
Savannah State University
4906 Taylor Road
Savannah, GA 31404
(770) 401-3371



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