[R] Problems Exporting R Output to an xls file need help

Fri May 4 17:31:22 CEST 2012

Hello R users,

I want to export to an xls or .csv some predictions I produced with the
auto.arima and forecast functions.

A detail of all my work is presented below. I loaded a package called
dataframes2xls and tried to use the  function write.xls without any success.

Can anybody help me figure this out? How could I get R to export the output
to an xls file?

Any help will be greatly appreciated.

> dryfit<-auto.arima(testing1$pcumsdry)
> dryfit
Series: testing1$pcumsdry 
ARIMA(2,1,1) with drift         

Coefficients:
         ar1    ar2      ma1       drift
      0.2684  0.109  -0.8906  -15265.776
s.e.  0.1145  0.102   0.0798    8047.169

sigma^2 estimated as 2.869e+11:  log likelihood=-2265.02
AIC=4540.03   AICc=4540.43   BIC=4555.25
> forecast(dryfit, h=60)
    Point Forecast   Lo 80   Hi 80   Lo 95   Hi 95
157        4074831 3388438 4761224 3025083 5124579
158        4091730 3357988 4825473 2969569 5213892
159        4082508 3316633 4848383 2911204 5253812
160        4072372 3289497 4855247 2875069 5269675
161        4059142 3263395 4854890 2842151 5276133
162        4044982 3238520 4851444 2811605 5278359
163        4030235 3214025 4846446 2781949 5278522
164        4015229 3189787 4840672 2752824 5277635
165        4000090 3165706 4834474 2724010 5276170
166        3984886 3141748 4828025 2695417 5274355
167        3969651 3117892 4821410 2666998 5272304
168        3954400 3094129 4814672 2638728 5270072
169        3939142 3070452 4807832 2610595 5267689
170        3923880 3046856 4800903 2582588 5265171
171        3908616 3023340 4793891 2554704 5262527
172        3893351 2999901 4786800 2526937 5259764
173        3878085 2976536 4779635 2499284 5256886
174        3862820 2953243 4772397 2471742 5253898
175        3847554 2930020 4765088 2444307 5250802
176        3832288 2906866 4757711 2416976 5247600
177        3817023 2883778 4750267 2389748 5244297
178        3801757 2860755 4742758 2362619 5240895
179        3786491 2837796 4735186 2335587 5237395
180        3771225 2814899 4727552 2308650 5233801
181        3755960 2792062 4719857 2281805 5230114
182        3740694 2769284 4712104 2255051 5226337
183        3725428 2746564 4704292 2228384 5222472
184        3710162 2723900 4696425 2201804 5218521
185        3694896 2701291 4688502 2175308 5214485
186        3679631 2678736 4680525 2148894 5210367
187        3664365 2656234 4672496 2122561 5206169
188        3649099 2633783 4664415 2096307 5201891
189        3633833 2611383 4656284 2070130 5197536
190        3618568 2589032 4648103 2044029 5193106
191        3603302 2566730 4639874 2018002 5188602
192        3588036 2544475 4631597 1992047 5184025
193        3572770 2522266 4623274 1966163 5179377
194        3557504 2500104 4614905 1940349 5174659
195        3542239 2477986 4606492 1914604 5169873
196        3526973 2455911 4598035 1888925 5165020
197        3511707 2433880 4589534 1863313 5160101
198        3496441 2411891 4580992 1837765 5155118
199        3481176 2389943 4572408 1812280 5150071
200        3465910 2368036 4563783 1786857 5144962
201        3450644 2346169 4555119 1761496 5139792
202        3435378 2324341 4546415 1736194 5134562
203        3420112 2302552 4537673 1710951 5129273
204        3404847 2280801 4528893 1685767 5123927
205        3389581 2259087 4520075 1660639 5118523
206        3374315 2237409 4511221 1635567 5113063
207        3359049 2215767 4502332 1610550 5107549
208        3343784 2194161 4493406 1585587 5101980
209        3328518 2172589 4484446 1560678 5096358
210        3313252 2151052 4475452 1535820 5090684
211        3297986 2129548 4466424 1511015 5084958
212        3282720 2108078 4457363 1486259 5079181
213        3267455 2086640 4448270 1461554 5073355
214        3252189 2065234 4439144 1436898 5067480
215        3236923 2043860 4429987 1412290 5061556
216        3221657 2022517 4420798 1387730 5055585
> utils:::menuInstallLocal()
package 'dataframes2xls' successfully unpacked and MD5 sums checked
> varxls<-forecast(dryfit, h=60)
> write.xls(varxls)
Error: could not find function "write.xls"
> library(dataframes2xls)
> write.xls(varxls)
[1] "Does 'python' exist, and is it in the path?"
Error in paste("-o ", file, " ", sep = "") : 
  argument "file" is missing, with no default

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