Message-ID: <971536df0906171958h1bf536b4k9fc04d3e71475e10@mail.gmail.com>
Date: 2009-06-18T02:58:43Z
From: Gabor Grothendieck
Subject: zoo plotting - invalid 'ylim' value
In-Reply-To: <4A39A9BF.6020904@prodsyse.com>
Check out the na.strings= argument:
> Lines <- "3, NA
+ 4,6
+ 5, NA"
> library(zoo)
> z <- read.zoo(textConnection(Lines), sep = ",", na.strings = " NA")
> str(z)
?zoo? series from 3 to 5
Data: int [1:3] NA 6 NA
Index: int [1:3] 3 4 5
On Wed, Jun 17, 2009 at 10:43 PM, spencerg<spencer.graves at prodsyse.com> wrote:
> Hi, Gabor:
>
> ? ? I just lost perhaps a day's work due to that very problem: ?I couldn't
> get read.zoo to work, so I used read.table, which created factors, because
> some of my numeric columns included, ", NA", which got translated as a level
> " NA" (note this three character code with a space before the NA). ?Then I
> did "as.matrix" of the data.frame that I thought was numeric; ?the result
> was a zoo object with coredata of class character rather than numeric.
>
> ? ? Best Wishes,
> ? ? Spencer
>
> Gabor Grothendieck wrote:
>>
>> Just to follow up the thread so that it is not left dangling
>> the problem was that the object in question had character
>> rather than numeric data in it.
>>
>> On Wed, Jun 17, 2009 at 1:58 PM, Gabor
>> Grothendieck<ggrothendieck at gmail.com> wrote:
>>
>>>
>>> What is the result of
>>>
>>> dput(stb.foreign)
>>>
>>>
>>>
>>> On Wed, Jun 17, 2009 at 1:53 PM, Khanh Nguyen<knguyen at cs.umb.edu> wrote:
>>>
>>>>
>>>> Hi all,
>>>>
>>>> I am very new to 'zoo', so this could probably be a trivia question,
>>>> but I got the above error when I plot my zoo object
>>>>
>>>>
>>>>>
>>>>> plot(stb.foreign) #this work fine
>>>>> ? ? ? ?stb.foreign$room.con.lai
>>>>>
>>>>
>>>> ?2009-05-28 ?2009-05-29 ?2009-06-01 ?2009-06-02 ?2009-06-03
>>>> 2009-06-04 ?2009-06-05
>>>> 11104740 ? ?10772400 ? ?10775110 ? ?10397160 ? ?10037930 ? ? 9986480
>>>> ?10003780
>>>> ?2009-06-08 ?2009-06-09 ?2009-06-10 ?2009-06-11 ?2009-06-12
>>>> 2009-06-15 ?2009-06-16
>>>> 10163340 ? ?10545920 ? ?11020540 ? ?10720430 ? ?10484040 ? ?10502080
>>>> ?10932930
>>>> ?2009-06-17
>>>> 11201700
>>>>
>>>>
>>>>>
>>>>> plot(stb.foreign$room.con.lai)
>>>>>
>>>>
>>>> Error in plot.window(...) : invalid 'ylim' value
>>>> ? ? ?Thanks
>>>>
>>>> -k
>>>>
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>>
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>
>