[R-SIG-Finance] zoo plotting - invalid 'ylim' value

[Gabor Grothendieck]

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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>