[R] Error with write.table

[jmgray]

> I was trying to save a data frame to an excel file using the following
> command:
>
> write.table(myData, file="myData.csv",sep=",", row.names=F)
>
> The command works for some data frames, but for other data frames, I get
> the
> following error:
>
> Error in if (inherits(X[[j]], "data.frame") && ncol(xj) > 1L) X[[j]] <-
> as.matrix(X[[j]]) :
>   missing value where TRUE/FALSE needed
> 

I got an identical error message when instead of combining two data frames
(a,b) with a method such as:

          a <- cbind.data.frame(a,b)

I embedded a data.frame in another, e.g.,

          a$b <- b

In the latter example, I have a column (a$b) that consists of a data frame
onto itself, which write.table apparently can't handle.

Jesse Gray
Neurobiology
Harvard Medical School

Here's my precise error message:

Error in if (inherits(X[[j]], "data.frame") && ncol(xj) > 1L) X[[j]] <-
as.matrix(X[[j]]) : 
  missing value where TRUE/FALSE needed
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