[R] tseries to csv or xls

[Bunny, lautloscrew.com]

thx for the help. write.zoo may help me a lot with some other beginner issues i have, but I need to convert it into a data.frame though. 
I`d like to write stata files or .xls files and both functions need data.frames as a basis. 

best

matt


Am 17.11.2009 um 11:49 schrieb Gabor Grothendieck:

> Using the built in AirPassengers data that comes with R this works:
> 
>> AP12 <- ts(matrix(AirPassengers[], nc = 12, byrow = TRUE), start(AirPassengers)[1])
>> colnames(AP12) <- month.abb
>> library(zoo)
>> write.zoo(as.zoo(AP12), sep = ",")
> "Index","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"
> 1949,112,118,132,129,121,135,148,148,136,119,104,118
> 1950,115,126,141,135,125,149,170,170,158,133,114,140
> 1951,145,150,178,163,172,178,199,199,184,162,146,166
> 1952,171,180,193,181,183,218,230,242,209,191,172,194
> 1953,196,196,236,235,229,243,264,272,237,211,180,201
> 1954,204,188,235,227,234,264,302,293,259,229,203,229
> 1955,242,233,267,269,270,315,364,347,312,274,237,278
> 1956,284,277,317,313,318,374,413,405,355,306,271,306
> 1957,315,301,356,348,355,422,465,467,404,347,305,336
> 1958,340,318,362,348,363,435,491,505,404,359,310,337
> 1959,360,342,406,396,420,472,548,559,463,407,362,405
> 1960,417,391,419,461,472,535,622,606,508,461,390,432
> 
> 
> 
> On Tue, Nov 17, 2009 at 4:09 AM, Bunny, lautloscrew.com
> <bunny at lautloscrew.com> wrote:
>> Hi all,
>> 
>> is there a common way to write time series objects generated by  ts() to some .csv or .xls.
>> write.table does not work by default since it expects a data.frame which a ts object is not.
>> Therefore write.table creates a data.frame which basically ignores the rows and columns of ts objects and just saves one big vector.
>> What I want to do is export it, the same way as a ts object is printed on console, like this:
>>         Qtr1        Qtr2        Qtr3        Qtr4
>> 1990  1.80926644  1.57801902 -0.06466631 -0.89682263
>> 1991  0.38314894  0.58986441  0.61502833  1.55998143
>> 1992  1.34689938 -0.61304408  2.17411932  0.13529151
>> 1993 -0.07747732  1.76763799  0.37560837  0.36530430
>> 1994 -1.03461000  0.88674850  1.71258524  0.79961787
>> 
>> I hope email transmission does not blow the formatting :) Thx for any help in advance
>> 
>> matt
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>>