On Mon, Sep 19, 2011 at 7:52 PM, Marc Schwartz wrote:
> Hi Rich,
>
> On Sep 19, 2011, at 5:18 PM, Rich Shepard wrote:
>
>> On Mon, 19 Sep 2011, Marc Schwartz wrote:
>>
>>> Let me start by acknowledging that I have little practical experience in
>>> time series analyses, much less proficiency with
On Mon, Sep 19, 2011 at 7:42 PM, Marc Schwartz wrote:
>
> On Sep 19, 2011, at 5:06 PM, Gabor Grothendieck wrote:
>
>> On Mon, Sep 19, 2011 at 5:33 PM, Marc Schwartz wrote:
>>> On Sep 19, 2011, at 4:00 PM, Rich Shepard wrote:
>>>
On Mon, 19 Sep 2011, Marc Schwartz wrote:
>> Is there
On Mon, 19 Sep 2011, Marc Schwartz wrote:
Having a better idea of your domain, you might want to consider looking at
the r-sig-ecology list as a supplement to R-help:
https://stat.ethz.ch/mailman/listinfo/r-sig-ecology
Done. Thanks.
Rich
--
Richard B. Shepard, Ph.D. | Integrit
On Mon, Sep 19, 2011 at 7:42 PM, Marc Schwartz wrote:
>
> On Sep 19, 2011, at 5:06 PM, Gabor Grothendieck wrote:
>
>> On Mon, Sep 19, 2011 at 5:33 PM, Marc Schwartz wrote:
>>> On Sep 19, 2011, at 4:00 PM, Rich Shepard wrote:
>>>
On Mon, 19 Sep 2011, Marc Schwartz wrote:
>> Is there
Hi Rich,
On Sep 19, 2011, at 5:18 PM, Rich Shepard wrote:
> On Mon, 19 Sep 2011, Marc Schwartz wrote:
>
>> Let me start by acknowledging that I have little practical experience in
>> time series analyses, much less proficiency with the zoo package. I just
>> don't come across them much in clinic
On Sep 19, 2011, at 5:06 PM, Gabor Grothendieck wrote:
> On Mon, Sep 19, 2011 at 5:33 PM, Marc Schwartz wrote:
>> On Sep 19, 2011, at 4:00 PM, Rich Shepard wrote:
>>
>>> On Mon, 19 Sep 2011, Marc Schwartz wrote:
>>>
> Is there a way to omit only those rows where all columns contain 'NA'?
>
On Mon, 19 Sep 2011, Gabor Grothendieck wrote:
For accurate information on the design of zoo read
vignette("zoo-design")
and the other four vignettes and as well as the help files in the zoo
package.
Gabor,
That's what I've done today. Haven't totally absorbed everything but I do
have a m
On Mon, 19 Sep 2011, Marc Schwartz wrote:
Let me start by acknowledging that I have little practical experience in
time series analyses, much less proficiency with the zoo package. I just
don't come across them much in clinical trials/studies, at least the ones
that I have been involved with ove
On Mon, Sep 19, 2011 at 5:33 PM, Marc Schwartz wrote:
> On Sep 19, 2011, at 4:00 PM, Rich Shepard wrote:
>
>> On Mon, 19 Sep 2011, Marc Schwartz wrote:
>>
Is there a way to omit only those rows where all columns contain 'NA'?
>>
>>> You can look at ?complete.cases for one approach, presuming
On Sep 19, 2011, at 4:00 PM, Rich Shepard wrote:
> On Mon, 19 Sep 2011, Marc Schwartz wrote:
>
>>> Is there a way to omit only those rows where all columns contain 'NA'?
>
>> You can look at ?complete.cases for one approach, presuming that it will
>> work on zoo objects.
>
> Marc,
>
> Do I ev
On Mon, 19 Sep 2011, Marc Schwartz wrote:
Is there a way to omit only those rows where all columns contain 'NA'?
You can look at ?complete.cases for one approach, presuming that it will
work on zoo objects.
Marc,
Do I even need to worry about these NAs? Thanks to Gabor I have a data
fra
On Mon, 19 Sep 2011, Achim Zeileis wrote:
This should do what you want, I think:
R> z <- zoo(matrix(1:8, ncol = 2), Sys.Date() + 0:3)
R> z[2,2] <- NA
R> z[3,] <- NA
R> z
2011-09-19 1 5
2011-09-20 2 NA
2011-09-21 NA NA
2011-09-22 4 8
R> z[!apply(is.na(z), 1, all),]
2011-09-19 1 5
2011-0
On Sep 19, 2011, at 12:19 PM, Marc Schwartz wrote:
>
> On Sep 19, 2011, at 12:14 PM, Marc Schwartz wrote:
>
>>
>> On Sep 19, 2011, at 12:01 PM, Rich Shepard wrote:
>>
>>> On Mon, 19 Sep 2011, Marc Schwartz wrote:
>>>
You can look at ?complete.cases for one approach, presuming that it wi
On Sep 19, 2011, at 12:01 PM, Rich Shepard wrote:
> On Mon, 19 Sep 2011, Marc Schwartz wrote:
>
>> You can look at ?complete.cases for one approach, presuming that it will
>> work on zoo objects.
>
> Marc,
>
> That's the opposite of what I want. It returns only rows with no missing
> data. I'
On Mon, 19 Sep 2011, Rich Shepard wrote:
On Mon, 19 Sep 2011, Marc Schwartz wrote:
You can look at ?complete.cases for one approach, presuming that it will
work on zoo objects.
Marc,
That's the opposite of what I want. It returns only rows with no missing
data. I'm looking for something th
On Mon, 19 Sep 2011, Marc Schwartz wrote:
You can look at ?complete.cases for one approach, presuming that it will
work on zoo objects.
Marc,
That's the opposite of what I want. It returns only rows with no missing
data. I'm looking for something that will return rows with _only_ missing
da
On Mon, 19 Sep 2011, Marc Schwartz wrote:
You can look at ?complete.cases for one approach, presuming that it will
work on zoo objects.
Marc,
I'll read and try it. Can't hurt anything.
Thanks,
Rich
__
R-help@r-project.org mailing list
https://s
On Sep 19, 2011, at 11:48 AM, Rich Shepard wrote:
> I read in ?na.omit that it returns the object with incomplete cases
> removed. I interpret this to mean that any zoo object row where any column
> shows 'NA' will be removed from the data set.
>
> That's not what I need, since the 'NA' represe
On Mon, 19 Sep 2011, Rich Shepard wrote:
When I aggregate two factors by date in the zoo object, the rows being ...
^
That should be 'begin'.
Mea culpa!
Rich
__
R-help@r-proj
I read in ?na.omit that it returns the object with incomplete cases
removed. I interpret this to mean that any zoo object row where any column
shows 'NA' will be removed from the data set.
That's not what I need, since the 'NA' represents information in my
context. However, what I would like
20 matches
Mail list logo
