Hi
I do not see any problem?
> zeta
vzorek a b c skupina sio2 p2o5 al2o3 dus de reten1 reten2
1 179/1/1 7.51 7.34 0.023 0.780 5.812 ne 1.53 NA NA
2 179/2/1 7.79 7.34 0.011 0.784 5.819 ne 0.89 NA NA
> zeta[ ,2]
[1] 7.51 7.79 5.14 6.35 5.82 7.13 5.95 7.27 6.29 7.50 7.30 7.27 6.46 6.95
6.32
[16] 6.32 6.34
> zeta[,"a b c"]
[1] 7.51 7.79 5.14 6.35 5.82 7.13 5.95 7.27 6.29 7.50 7.30 7.27 6.46 6.95
6.32
[16] 6.32 6.34
> zeta$a b c
Error: unexpected symbol in "zeta$a b"
> zeta$"a b c"
[1] 7.51 7.79 5.14 6.35 5.82 7.13 5.95 7.27 6.29 7.50 7.30 7.27 6.46 6.95
6.32
[16] 6.32 6.34
Regards
Petr
Maybe you could try to rename your columns. Try to look at
?abbreviate
r-help-boun...@r-project.org napsal dne 24.02.2010 15:36:01:
> Hello I have the following data frame which I read from an EXCEL file,
and
> when i try to call one of its columns with a space in their names I am
not
> being able to. For example if I do EURODOLLAR$ED1.Comdty Date I obtain
the
> following error:
> Error: inesperado sÃmbolo en "EURODOLLAR$ED1.Comdty Date"
>
> I have also tried using . or _ instead of the space and have obtained no
> succes. How do I call such an object? Thank You
>
> Felipe Parra
>
> head(EURODOLLAR)
> ED1.Comdty Date ED1.Comdty ED2.Comdty Date ED2.Comdty ED3.Comdty Date
> ED3.Comdty ED4.Comdty Date ED4.Comdty ED5.Comdty Date ED5.Comdty
ED6.Comdty
> Date
> 1 Date PX_LAST Date PX_LAST Date
> PX_LAST Date PX_LAST Date PX_LAST
> Date
> 2 02/01/2003 98.635 02/01/2003 98.51 02/01/2003
> 98.295 02/01/2003 97.995 02/01/2003 97.64 02/01/2003
> 3 03/01/2003 98.635 03/01/2003 98.525 03/01/2003
> 98.305 03/01/2003 98 03/01/2003 97.64 03/01/2003
> 4 06/01/2003 98.63 06/01/2003 98.515 06/01/2003
> 98.265 06/01/2003 97.95 06/01/2003 97.59 06/01/2003
> 5 07/01/2003 98.635 07/01/2003 98.565 07/01/2003
> 98.35 07/01/2003 98.045 07/01/2003 97.695 07/01/2003
> 6 08/01/2003 98.65 08/01/2003 98.6 08/01/2003
> 98.415 08/01/2003 98.13 08/01/2003 97.77 08/01/2003
> ED6.Comdty ED7.Comdty Date ED7.Comdty ED8.Comdty Date ED8.Comdty
> ED9.Comdty Date ED9.Comdty ED10.Comdty Date ED10.Comdty
> 1 PX_LAST Date PX_LAST Date
> PX_LAST Date PX_LAST Date PX_LAST
> 2 97.25 02/01/2003 96.9 02/01/2003 96.61
> 02/01/2003 96.38 02/01/2003 96.155
> 3 97.24 03/01/2003 96.885 03/01/2003 96.585
> 03/01/2003 96.355 03/01/2003 96.135
> 4 97.205 06/01/2003 96.845 06/01/2003 96.55
> 06/01/2003 96.315 06/01/2003 96.095
> 5 97.31 07/01/2003 96.97 07/01/2003 96.675
> 07/01/2003 96.425 07/01/2003 96.2
> 6 97.385 08/01/2003 97.015 08/01/2003 96.715
> 08/01/2003 96.46 08/01/2003 96.23
>
> [[alternative HTML version deleted]]
>
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