Try this also:

as.data.frame(t(sapply(append(split(mydata, row.names(mydata)), list(c('f',
6)), after = 2), as.matrix)))

The after argument of append can be the line number where you want the new
line.

On Thu, Aug 20, 2009 at 8:18 AM, Moumita Das
<das.moumita.online@gmail.com>wrote:

> Hi all,
>
> Can anyone suggest me how to insert rows in between data frames and also
> keep the ordering of row numbers correct?
>
>                             Estimate             Std. Error            t
> value   Pr(>|t|)
>
> recmeanC2                      9.275880e-17    6.322780e-17   1.467057e+00
> 0.14349903
>
> recmeanC3                      1.283534e-17   2.080644e-17    6.168929e-01
> 0.53781390
>
> recmeanC4 -                   3.079466e-17    2.565499e-17  -1.200338e+00
> 0.23103743
>
> i1                                            5.000000e-01
> 1.036197e-17   4.825338e+16
> 0.00000000
>
> i2                                         -5.630739e-18
> 1.638267e-17  -3.437010e-01
> 0.73133282
>
> i3                                         4.291387e-18
> 1.207522e-17   3.553879e-01
> 0.72257050
>
> i4                                         1.472662e-17
> 1.423051e-17   1.034863e+00
> 0.30163897
>
> i5                                       5.000000e-01    1.003323e-17
>  4.983441e+16
> 0.00000000
>
> i6                                       5.147966e-18     1.569095e-17
>  3.280850e-01
> 0.74309614
>
> i7                                         1.096044e-17   1.555829e-17
>  7.044760e-01
> 0.48173041
>
> i8                                        -1.166290e-18    1.287370e-17
> -9.059482e-02 0.92788026
>
> i9                                         1.627371e-17   1.540567e-17
>  1.056345e+00
> 0.29173427
>
> i10                                        4.001692e-18   1.365740e-17
>  2.930053e-01
> 0.76973827
>
> i12                                        -1.052843e-17   1.324484e-17
> -7.949081e-01 0.42735000
>
> i13                                        2.571236e-17   1.357336e-17
>  1.894325e+00
> 0.05922715
>
> This is my coeffcients table.Here  I want ti inser t rows with value NA in
> all columns in between and after  the last row.After last  row I can insert
> using rbind.But how will I enter row in between so that the order also
> doesn’t change.
>
> I need this to be generated :---
>
> Estimate             Std. Error            t value   Pr(>|t|)
>
> recmeanC2                      9.275880e-17    6.322780e-17   1.467057e+00
> 0.14349903
>
> recmeanC3                      1.283534e-17   2.080644e-17    6.168929e-01
> 0.53781390
>
> recmeanC4 -                   3.079466e-17    2.565499e-17  -1.200338e+00
> 0.23103743
>
> i1                                            5.000000e-01
> 1.036197e-17   4.825338e+16
> 0.00000000
>
> i2                                         -5.630739e-18
> 1.638267e-17  -3.437010e-01
> 0.73133282
>
> i3                                         4.291387e-18
> 1.207522e-17   3.553879e-01
> 0.72257050
>
> i4                                         1.472662e-17
> 1.423051e-17   1.034863e+00
> 0.30163897
>
> i5                                       5.000000e-01    1.003323e-17
>  4.983441e+16
> 0.00000000
>
> i6                                       5.147966e-18     1.569095e-17
>  3.280850e-01
> 0.74309614
>
> i7                                         1.096044e-17   1.555829e-17
>  7.044760e-01
> 0.48173041
>
> i8                                        -1.166290e-18    1.287370e-17
> -9.059482e-02 0.92788026
>
> i9                                         1.627371e-17   1.540567e-17
>  1.056345e+00
> 0.29173427
>
>
> i10                                        4.001692e-18   1.365740e-17
>  2.930053e-01
> 0.76973827
>
> i11                                        NA
> NA                                          NA
> NA
>
> i12                                        -1.052843e-17   1.324484e-17
> -7.949081e-01 0.42735000
>
> i13                                        2.571236e-17   1.357336e-17
>  1.894325e+00
> 0.05922715
>
> i14                                         NA
> NA                                          NA
> NA
>
>
>
> i15                                         NA
> NA                                          NA
> NA
>
>
>
>
>
>  rbind after row number i10 will change row number i12  to  have
> NA,Na,NA.Na
> values.
>
>
> --
> Thanks in advance
> Moumita
>
>        [[alternative HTML version deleted]]
>
>
> ______________________________________________
> R-help@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.
>
>


-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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