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Alfredo Alessandrini

2009-Jun-23 09:41 UTC

[R] vector and NA

Hi,

I've a vector like this:

------------------------------------------------------> inc[,5]  [1]        NA        NA        NA        NA        NA        NA        NA
  [8]        NA        NA        NA        NA        NA        NA        NA
 [15]        NA        NA        NA        NA        NA        NA        NA
 [22]        NA        NA        NA        NA        NA        NA        NA
 [29]        NA        NA        NA        NA        NA        NA        NA
 [36]        NA        NA        NA        NA        NA        NA        NA
 [43]        NA        NA        NA        NA        NA        NA        NA
 [50]        NA        NA        NA        NA        NA        NA        NA
 [57]        NA        NA        NA        NA        NA        NA        NA
 [64]        NA        NA        NA        NA        NA        NA        NA
 [71]        NA        NA        NA        NA        NA        NA        NA
 [78]        NA        NA        NA        NA 13.095503 10.140119  7.989186
 [85]  8.711888  7.201234 13.029250 14.430755  8.662832  8.810785 14.421302
 [92]  7.614985  7.548091  9.843389 14.977402 20.875255  7.787543  2.005056
 [99]  4.016916  3.601773  4.140390  7.241999 13.280794 18.038902 18.762169
[106]  4.280065  5.942021  6.292010 11.866446 19.450442 11.942362  6.224328
[113]  3.176050  5.456117  2.733487  3.992823 13.633171 19.514301 25.085256
[120]  5.640089  5.890486 12.421150 18.821420 22.478664 11.503805  7.051254
[127]  7.560921 12.000394 20.464875 16.147598 13.746290  9.416060 35.848221
[134] 36.739481 23.516759  7.317599  3.928247 10.371437 11.202935 12.574649
[141]  6.906980  9.191260  7.080267  2.810271  5.494705 10.617141 14.578020
[148] 10.981610  7.343975  2.179511  2.726651 10.794842  9.872493 19.842701
[155] 10.525064 16.134541 29.283385 18.352996  9.216318  6.253805  2.704267
[162]  4.274514  3.138237 12.296835 20.982433 13.001104  2.606328  3.333271
[169]  5.514425  2.179244  5.381514  6.848380  3.794428  5.114591  4.975830
[176]  3.809948 10.131608 14.145913>-------------------------------------------

How can I extract a vector without the NA value?


Regards,

Alfredo

Chuck Cleland

2009-Jun-23 10:58 UTC

head link

[R] vector and NA

On 6/23/2009 5:41 AM, Alfredo Alessandrini wrote:> Hi,
> 
> I've a vector like this:
> 
> ------------------------------------------------------
>> inc[,5]
>   [1]        NA        NA        NA        NA        NA        NA        NA
>   [8]        NA        NA        NA        NA        NA        NA        NA
>  [15]        NA        NA        NA        NA        NA        NA        NA
>  [22]        NA        NA        NA        NA        NA        NA        NA
>  [29]        NA        NA        NA        NA        NA        NA        NA
>  [36]        NA        NA        NA        NA        NA        NA        NA
>  [43]        NA        NA        NA        NA        NA        NA        NA
>  [50]        NA        NA        NA        NA        NA        NA        NA
>  [57]        NA        NA        NA        NA        NA        NA        NA
>  [64]        NA        NA        NA        NA        NA        NA        NA
>  [71]        NA        NA        NA        NA        NA        NA        NA
>  [78]        NA        NA        NA        NA 13.095503 10.140119  7.989186
>  [85]  8.711888  7.201234 13.029250 14.430755  8.662832  8.810785 14.421302
>  [92]  7.614985  7.548091  9.843389 14.977402 20.875255  7.787543  2.005056
>  [99]  4.016916  3.601773  4.140390  7.241999 13.280794 18.038902 18.762169
> [106]  4.280065  5.942021  6.292010 11.866446 19.450442 11.942362  6.224328
> [113]  3.176050  5.456117  2.733487  3.992823 13.633171 19.514301 25.085256
> [120]  5.640089  5.890486 12.421150 18.821420 22.478664 11.503805  7.051254
> [127]  7.560921 12.000394 20.464875 16.147598 13.746290  9.416060 35.848221
> [134] 36.739481 23.516759  7.317599  3.928247 10.371437 11.202935 12.574649
> [141]  6.906980  9.191260  7.080267  2.810271  5.494705 10.617141 14.578020
> [148] 10.981610  7.343975  2.179511  2.726651 10.794842  9.872493 19.842701
> [155] 10.525064 16.134541 29.283385 18.352996  9.216318  6.253805  2.704267
> [162]  4.274514  3.138237 12.296835 20.982433 13.001104  2.606328  3.333271
> [169]  5.514425  2.179244  5.381514  6.848380  3.794428  5.114591  4.975830
> [176]  3.809948 10.131608 14.145913
> -------------------------------------------
> 
> How can I extract a vector without the NA value?
na.omit(inc[,5])

?na.omit
> Regards,
> 
> Alfredo
> 
> ______________________________________________
> R-help at 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. 
-- 
Chuck Cleland, Ph.D.
NDRI, Inc. (www.ndri.org)
71 West 23rd Street, 8th floor
New York, NY 10010
tel: (212) 845-4495 (Tu, Th)
tel: (732) 512-0171 (M, W, F)
fax: (917) 438-0894

Sandor Benczik

2009-Jun-23 10:59 UTC

head link

[R] vector and NA

alfreale wrote:> 
> 
> I've a vector like this:
> 
>> inc[,5]
> 
> How can I extract a vector without the NA value?
> 
> 
inc[,5][!is.na(inc[,5])]

-- 
View this message in context:
http://www.nabble.com/vector-and-NA-tp24162879p24163839.html
Sent from the R help mailing list archive at Nabble.com.

John Kane

2009-Jun-23 14:00 UTC

head link

[R] vector and NA

?is.na and its negative !is.na
Try something like this
xx  <- c(NA, NA, 1,  2,  3)
bb <- xx[!is.na(xx)]
bb

--- On Tue, 6/23/09, Alfredo Alessandrini <alfreale74 at gmail.com> wrote:
> From: Alfredo Alessandrini <alfreale74 at gmail.com>
> Subject: [R] vector and NA
> To: r-help at r-project.org
> Received: Tuesday, June 23, 2009, 5:41 AM
> Hi,
> 
> I've a vector like this:
> 
> ------------------------------------------------------
> > inc[,5]
> ? [1]? ? ? ? NA? ?
> ? ? NA? ? ? ? NA? ?
> ? ? NA? ? ? ? NA? ?
> ? ? NA? ? ? ? NA
> ? [8]? ? ? ? NA? ?
> ? ? NA? ? ? ? NA? ?
> ? ? NA? ? ? ? NA? ?
> ? ? NA? ? ? ? NA
>  [15]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA
>  [22]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA
>  [29]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA
>  [36]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA
>  [43]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA
>  [50]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA
>  [57]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA
>  [64]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA
>  [71]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA? ? ? ? NA
>  [78]? ? ? ? NA? ? ?
> ? NA? ? ? ? NA? ? ?
> ? NA 13.095503 10.140119? 7.989186
>  [85]? 8.711888? 7.201234 13.029250
> 14.430755? 8.662832? 8.810785 14.421302
>  [92]? 7.614985? 7.548091? 9.843389
> 14.977402 20.875255? 7.787543? 2.005056
>  [99]? 4.016916? 3.601773? 4.140390?
> 7.241999 13.280794 18.038902 18.762169
> [106]? 4.280065? 5.942021? 6.292010
> 11.866446 19.450442 11.942362? 6.224328
> [113]? 3.176050? 5.456117? 2.733487?
> 3.992823 13.633171 19.514301 25.085256
> [120]? 5.640089? 5.890486 12.421150 18.821420
> 22.478664 11.503805? 7.051254
> [127]? 7.560921 12.000394 20.464875 16.147598
> 13.746290? 9.416060 35.848221
> [134] 36.739481 23.516759? 7.317599? 3.928247
> 10.371437 11.202935 12.574649
> [141]? 6.906980? 9.191260? 7.080267?
> 2.810271? 5.494705 10.617141 14.578020
> [148] 10.981610? 7.343975? 2.179511?
> 2.726651 10.794842? 9.872493 19.842701
> [155] 10.525064 16.134541 29.283385 18.352996?
> 9.216318? 6.253805? 2.704267
> [162]? 4.274514? 3.138237 12.296835 20.982433
> 13.001104? 2.606328? 3.333271
> [169]? 5.514425? 2.179244? 5.381514?
> 6.848380? 3.794428? 5.114591? 4.975830
> [176]? 3.809948 10.131608 14.145913
> >
> -------------------------------------------
> 
> How can I extract a vector without the NA value?
> 
> 
> Regards,
> 
> Alfredo
> 
> ______________________________________________
> R-help at 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.
> 

      __________________________________________________________________
The new Internet Explorer? 8 - Faster, safer, easier.  Optimiz
etexplorer/

Paolo Sonego

2009-Jun-23 14:34 UTC

head link

[R] vector and NA

as.vector(na.omit(inc[,5])

?na.omit

Paolo



Hi,

I've a vector like this:

------------------------------------------------------
> > inc[,5]
>     [1]        NA        NA        NA        NA        NA        NA        NA
  [8]        NA        NA        NA        NA        NA        NA        NA
 [15]        NA        NA        NA        NA        NA        NA        NA
 [22]        NA        NA        NA        NA        NA        NA        NA
 [29]        NA        NA        NA        NA        NA        NA        NA
 [36]        NA        NA        NA        NA        NA        NA        NA
 [43]        NA        NA        NA        NA        NA        NA        NA
 [50]        NA        NA        NA        NA        NA        NA        NA
 [57]        NA        NA        NA        NA        NA        NA        NA
 [64]        NA        NA        NA        NA        NA        NA        NA
 [71]        NA        NA        NA        NA        NA        NA        NA
 [78]        NA        NA        NA        NA 13.095503 10.140119  7.989186
 [85]  8.711888  7.201234 13.029250 14.430755  8.662832  8.810785 14.421302
 [92]  7.614985  7.548091  9.843389 14.977402 20.875255  7.787543  2.005056
 [99]  4.016916  3.601773  4.140390  7.241999 13.280794 18.038902 18.762169
[106]  4.280065  5.942021  6.292010 11.866446 19.450442 11.942362  6.224328
[113]  3.176050  5.456117  2.733487  3.992823 13.633171 19.514301 25.085256
[120]  5.640089  5.890486 12.421150 18.821420 22.478664 11.503805  7.051254
[127]  7.560921 12.000394 20.464875 16.147598 13.746290  9.416060 35.848221
[134] 36.739481 23.516759  7.317599  3.928247 10.371437 11.202935 12.574649
[141]  6.906980  9.191260  7.080267  2.810271  5.494705 10.617141 14.578020
[148] 10.981610  7.343975  2.179511  2.726651 10.794842  9.872493 19.842701
[155] 10.525064 16.134541 29.283385 18.352996  9.216318  6.253805  2.704267
[162]  4.274514  3.138237 12.296835 20.982433 13.001104  2.606328  3.333271
[169]  5.514425  2.179244  5.381514  6.848380  3.794428  5.114591  4.975830
[176]  3.809948 10.131608 14.145913
> >
>   -------------------------------------------

How can I extract a vector without the NA value?


Regards,

Alfredo

R help - Jun 2009 - vector and NA

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