[R] tseries to csv or xls

[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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