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re: ReadList Error message:"Tag Times"

  • To: mathgroup at
  • Subject: [mg21433] re: ReadList Error message:"Tag Times"
  • From: dkeith at
  • Date: Fri, 7 Jan 2000 00:20:42 -0500 (EST)
  • References: <84dna1$>
  • Sender: owner-wri-mathgroup at

I most often see this message when I accidently imbed a space in the
left part of the expression, giving it a head of Times. For example if
a space was imbedded in "data", say "dat a", it would become
Times[dat,a], and the kernel wouldn't like it.


In article <84dna1$31d at>,
  "Deborah Leddon    " <Dleddon at> wrote:
> Hello,
> I am trying to read in a data file in .txt format (created and saved
> under Excel) as below:
> In[1]:=  data = ReadList["A:\\ filename", Number];
> I get the error message "Set::Write: tag Times in data is
> Protected."
> What does this mean? The data obviously cannot be read into the
> notebook.Is there a specific format in Excel, ie; row vs. column,
> etc, that is better for saving data?
> Thanks in advance if anyone can help.
> Debbie Leddon

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