[R] Output of tapply function as data frame

[Ogbos Okike]

Warm greetings to you all.

Using the tapply function below:
data<-read.table("FD1month",col.names = c("Dates","count"))
x=data$count
 f<-factor(data$Dates)
AB<- tapply(x,f,mean)


I made a simple calculation. The result, stored in AB, is of the form
below. But an effort to write AB to a file as a data frame fails. When I
use the write table, it only produces the count column and strip of the
first column (date).

2005-11-01 2005-12-01 2006-01-01 2006-02-01 2006-03-01 2006-04-01
2006-05-01
 -4.106887  -4.259154  -5.836090  -4.756757  -4.118011  -4.487942
 -4.430705
2006-06-01 2006-07-01 2006-08-01 2006-09-01 2006-10-01 2006-11-01
2006-12-01
 -3.856727  -6.067103  -6.418767  -4.383031  -3.985805  -4.768196
-10.072579
2007-01-01 2007-02-01 2007-03-01 2007-04-01 2007-05-01 2007-06-01
2007-07-01
 -5.342338  -4.653128  -4.325094  -4.525373  -4.574783  -3.915600
 -4.127980
2007-08-01 2007-09-01 2007-10-01 2007-11-01 2007-12-01 2008-01-01
2008-02-01
 -3.952150  -4.033518  -4.532878  -4.522941  -4.485693  -3.922155
 -4.183578
2008-03-01 2008-04-01 2008-05-01 2008-06-01 2008-07-01 2008-08-01
2008-09-01
 -4.336969  -3.813306  -4.296579  -4.575095  -4.036036  -4.727994
 -4.347428
2008-10-01 2008-11-01 2008-12-01
 -4.029918  -4.260326  -4.454224

But the normal format I wish to display only appears on the terminal,
leading me to copy it and paste into a text file. That is, when I enter AB
on the terminal, it returns a format in the form:

008-02-01  -4.183578
2008-03-01  -4.336969
2008-04-01  -3.813306
2008-05-01  -4.296579
2008-06-01  -4.575095
2008-07-01  -4.036036
2008-08-01  -4.727994
2008-09-01  -4.347428
2008-10-01  -4.029918
2008-11-01  -4.260326
2008-12-01  -4.454224

Now, my question: How do I write out two columns displayed by AB on the
terminal to a file?

I have tried using AB<-data.frame(AB) but it doesn't work either.

Many thanks for your time.
Ogbos

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