Hint: "601" is not 601.
Have you gone through any R tutorials?
Cheers,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Tue, Sep 20, 2016 at 5:42 AM, Pauline Laïlle
<pauline.lai...@gmail.com> wrote:
> Dear all,
>
> I built a dataframe with read.csv2(). Initially, row names are integers
> (order of answers to a survey). They are listed in the csv's first column.
> The import works well and my dataframe looks like I wanted it to look.
>
> Row names go as follows :
> [1] "6" "29" "31" "32" "52" "55" "63" "71" "72" "80" "88" "89"
> "91" "93" "105" "110" "111" "117" "119" "120"
> [21] "122" "127" "128" "133" "137" "140" "163" "165" "167" "169" "177"
> "178" "179" "184" "186" "192" "193" "200" "201" "228"
> etc.
>
> I would like to drop rows "601" & "604" to clean the dataframe.
>
> While data["601",] shows me the first row i'd like to drop, data[-"601",]
> returns the following :
> Error in -"601" : invalid argument to unary operator
>
> idem with data[c("601","604"),] and data[-c("601","604"),]
>
> It is the first time that I run into this specific error. After reading a
> bit about it I still don't understand what it means and how to fix it.
>
> Thanks for reading!
> Best,
> Pauline.
>
> [[alternative HTML version deleted]]
>
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