[R] Getting Rid of NaN in ts Object

[Christian Brandstätter]

Hi Lorenzo,

Try:

tt[is.nan(tt)] <- NA
tt <- na.omit(tt)

Best,

Christian


Am 27.05.2016 um 13:38 schrieb Lorenzo Isella:
> On Fri, May 27, 2016 at 08:46:20PM +1000, Jim Lemon wrote:
>> Hi Lorenzo,
>> Maybe:
>>
>> tt<-tt[!is.nan(tt)]
>>
>> Jim
>
>
> Not really.
>
>> tt<-structure(c(NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
> + NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, 1133.09, 1155.77, 1179.12,
> + 1182.85, 1133.43, 1103.36, 1081.19, 1058.55, 1056.95, 1059.13,
> + 1018.18, 920.62, 865.99, 856.29, 841.58, 857.7, 852.71, 890.76
> + ), .Tsp = c(1980, 2015, 1), class = "ts")
>>
>> tt2<-tt[!is.nan(tt)]
>> class(tt)
> [1] "ts"
>> class(tt2)
> [1] "numeric"
>
>
> and I lose all the info about the years.
>
> Lorenzo
>
>
>
>
>
>
>
>>
>>
>> On Fri, May 27, 2016 at 8:14 PM, Lorenzo Isella
>> <lorenzo.isella at gmail.com> wrote:
>>> Dear All,
>>> I am sure the answer is a one liner, but I am banging my head against
>>> the wall and googling here and there has not helped much.
>>> Consider the following time series
>>>
>>> tt<-structure(c(NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
>>> NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, 1133.09, 1155.77, 1179.12,
>>> 1182.85, 1133.43, 1103.36, 1081.19, 1058.55, 1056.95, 1059.13,
>>> 1018.18, 920.62, 865.99, 856.29, 841.58, 857.7, 852.71, 890.76
>>> ), .Tsp = c(1980, 2015, 1), class = "ts")
>>>
>>>
>>> where the NaN do *not* occur internally. How can I automatically get
>>> rid of them and adjust the start and end year of the time series
>>> accordingly?
>>> Many thanks
>>>
>>> Lorenzo
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
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>>> PLEASE do read the posting guide 
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.