rownames(a)
perhaps?
HTH,
Jorge.-
On Mon, May 6, 2013 at 6:03 PM, jpm miao <miao...@gmail.com> wrote:
> Hi,
>
> Below is the output from an R package. The first column (4, 5, 6, 7,
> which is unnamed) is the company name (code), while the second column
> efficiency is the performance of each company, which is the primary output
> result. How can I access the first column, rowname, 4, 5, 6, 7, 8, 9, 11?
> How can I build a dataframe consisting of two columns, the company name
> (code) and the efficiency?
> as.data.frame(a) produce only a column with company names, where
> company names are not accessible.
>
> Thanks,
>
> Miao
>
>
> > a
> efficiency
> 4 0.26902196
> 5 0.30967213
> 6 0.33841116
> 7 0.36174368
> 8 0.36415004
> 9 0.37977151
> 11 0.42136627
> 12 0.40270465
> 13 0.49386586
> 15 0.12549416
> 16 0.17616129
> 17 0.45815803
> 18 0.09380655
> 21 0.97223375
> 40 0.43234228
> 48 0.25185516
> 50 0.28382549
> 52 0.44653074
> 53 0.27899931
> 54 0.42288119
> 81 0.49108330
> 101 0.20489971
> 102 0.24817017
> 103 0.36290391
> 108 0.23457172
> 118 0.25237865
> 147 0.25926483
> 803 0.45134936
> 805 0.36135729
> 806 0.28311573
> 807 0.32053914
> 808 0.35295777
> 809 0.17983115
> 810 0.30132804
> 812 0.48614262
> 814 0.30770005
> 815 0.29402445
> 816 0.35863589
> 822 0.50282266
> 825 0.46845802
> > dput(a)
> structure(c(0.269021958172058, 0.30967212679043, 0.338411157000573,
> 0.361743675159821, 0.364150044117951, 0.37977150519361, 0.421366274731659,
> 0.402704652137264, 0.49386585901599, 0.125494157670888, 0.176161288740361,
> 0.458158033521881, 0.0938065485975032, 0.972233754473899,
> 0.432342283512805,
> 0.251855164210068, 0.283825485987841, 0.446530739128589, 0.278999313704237,
> 0.422881194129863, 0.491083297407732, 0.20489970948236, 0.248170174737282,
> 0.362903909816553, 0.234571723781862, 0.252378650048782, 0.259264826952972,
> 0.451349355848852, 0.361357286628178, 0.283115732632982, 0.32053914247248,
> 0.352957770657268, 0.179831147819322, 0.30132803776434, 0.486142623827358,
> 0.307700045108983, 0.29402444509927, 0.358635886286322, 0.502822662489642,
> 0.468458021786023), .Dim = c(40L, 1L), .Dimnames = list(c("4",
> "5", "6", "7", "8", "9", "11", "12", "13", "15", "16", "17",
> "18", "21", "40", "48", "50", "52", "53", "54", "81", "101",
> "102", "103", "108", "118", "147", "803", "805", "806", "807",
> "808", "809", "810", "812", "814", "815", "816", "822", "825"
> ), "efficiency"))
>
>
> > a1<-as.data.frame(a)
> > View(`a1`)
> > a1$name
> NULL
> > a1$names
> NULL
> > a1$row.names
> NULL
> > a1$efficiency
> [1] 0.26902196 0.30967213 0.33841116 0.36174368
> [5] 0.36415004 0.37977151 0.42136627 0.40270465
> [9] 0.49386586 0.12549416 0.17616129 0.45815803
> [13] 0.09380655 0.97223375 0.43234228 0.25185516
> [17] 0.28382549 0.44653074 0.27899931 0.42288119
> [21] 0.49108330 0.20489971 0.24817017 0.36290391
> [25] 0.23457172 0.25237865 0.25926483 0.45134936
> [29] 0.36135729 0.28311573 0.32053914 0.35295777
> [33] 0.17983115 0.30132804 0.48614262 0.30770005
> [37] 0.29402445 0.35863589 0.50282266 0.46845802
> > a1
> efficiency
> 4 0.26902196
> 5 0.30967213
> 6 0.33841116
> 7 0.36174368
> 8 0.36415004
> 9 0.37977151
> 11 0.42136627
> 12 0.40270465
> 13 0.49386586
> 15 0.12549416
> 16 0.17616129
> 17 0.45815803
> 18 0.09380655
> 21 0.97223375
> 40 0.43234228
> 48 0.25185516
> 50 0.28382549
> 52 0.44653074
> 53 0.27899931
> 54 0.42288119
> 81 0.49108330
> 101 0.20489971
> 102 0.24817017
> 103 0.36290391
> 108 0.23457172
> 118 0.25237865
> 147 0.25926483
> 803 0.45134936
> 805 0.36135729
> 806 0.28311573
> 807 0.32053914
> 808 0.35295777
> 809 0.17983115
> 810 0.30132804
> 812 0.48614262
> 814 0.30770005
> 815 0.29402445
> 816 0.35863589
> 822 0.50282266
> 825 0.46845802
> > View(`a1`)
> > a1[1,]
> [1] 0.269022
> > a1[2,]
> [1] 0.3096721
>
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>
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>
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