[R] Error in `[[<-.data.frame`(`*tmp*`, alt.name, value = integer(0)) with mlogit

[Jeff Newmiller]

True, except that the head of their file had periods in the numbers. 
-- 
Sent from my phone. Please excuse my brevity.

On July 27, 2017 12:36:13 PM PDT, peter dalgaard <pdalgd at gmail.com> wrote:
>
>> On 27 Jul 2017, at 18:03 , Jeff Newmiller <jdnewmil at dcn.davis.ca.us>
>wrote:
>> 
>> Looks like you need to pay attention to how you read in your data. 
>In general, you should always execute one statement at a time until you
>know your script is working.  All the errors after the first one are
>unhelpful to you or us. 
>> 
>> If you actually pay attention to what is in your horse.data data
>frame after you have read it in, the columns did not get separated out.
>The "csv" in in read.csv stands for "comma", and your file appears to
>use semicolons. Read the help for read.csv using
>> 
>> ?read.csv
>> 
>> and use the sep=";" argument. You should always use the str()
>function to look at your data and make sure it looks reasonable before
>you start trying to give it to other functions to analyze.
>
>Or use read.csv2 which exists for that reason. (It may be "c" for
>comma, but in locales that use comma as the decimal point it is
>replaced by the semicolon, as you'll find out if you save an Excel file
>as CSV in, say, France. This is due to some idiotic decisions from
>early 1990s, but there you are...) 
>
>-pd
>
>
>> -- 
>> Sent from my phone. Please excuse my brevity.
>> 
>> On July 27, 2017 8:01:12 AM PDT, sandoz at free.fr wrote:
>>> Hi,
>>> Please  help about the error I am getting after the h1.dat<- line :
>>> this line worked with much more independant variables and bigger
>data.
>>> This time I want to work with just 2 variables cteD & cteTh.
>>> What is wrong ?
>>> 
>>>> setwd("C:/Rstudio/Trot")
>>>> library(mlogit)
>>>> horse1.data<-read.csv("cte2.csv")
>>>> 
>>>
>h1.dat<-mlogit.data(data=horse1.data,choice="win",chid.var="raceid",alt.var="nbChev",shape="long")
>>> 
>>> Error in `[[<-.data.frame`(`*tmp*`, alt.name, value = integer(0)) : 
>>> le tableau de remplacement a 0 lignes, le tableau remplacé en a 26
>>> 
>>> 
>>>> mul1.model<-mlogit(win~cteD+cteTh|0|0,data=h1.dat)
>>> Error in mlogit(win ~ cteD + cteTh | 0 | 0, data = h1.dat) : 
>>> object 'h1.dat' not found
>>> 
>>> 
>>>> head(horse.data,27)
>>>  raceid.nbChev.cteD.cteTh.win
>>> 1              1;9;29.6;23.8;no
>>> 2                1;9;5.3;6.7;no
>>> 3              1;9;10.9;11.5;no
>>> 4               1;9;8.2;6.7;yes
>>> 5              1;9;17.8;18.2;no
>>> 6                  1;9;26;30;no
>>> 7                1;9;4.4;5.7;no
>>> 8                  1;9;4.9;6;no
>>> 9                1;9;4.5;6.9;no
>>> 10            2;17;32.1;48.3;no
>>> 11             2;17;8.8;24.5;no
>>> 12            2;17;36.7;18.3;no
>>> 13            2;17;6.7;11.8;yes
>>> 14            2;17;10.3;12.8;no
>>> 15            2;17;61.6;68.5;no
>>> 16              2;17;2.5;6.7;no
>>> 17            2;17;27.7;30.9;no
>>> 18             2;17;8.4;10.5;no
>>> 19            2;17;56.5;40.7;no
>>> 20            2;17;95.5;11.9;no
>>> 21             2;17;12.7;6.4;no
>>> 22            2;17;19.6;14.2;no
>>> 23           2;17;269.6;67.2;no
>>> 24             2;17;300;75.6;no
>>> 25            2;17;300;114.3;no
>>> 26            2;17;36.3;16.9;no
>>> 
>>> ______________________________________________
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>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>> 
>> ______________________________________________
>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> 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.