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I am about to use Weka for processing a dataset that contains numeric and nominal values. As Persian and Arabic are the secondary languages I am using in my Windows 7 operating system, I assumed that this might be the reason that when I am trying to save a loaded CSV data file in Weka as an ARFF file format, the numbers are all saved as question (?) marks! However, even by removing these languages from the Control Panel setting, nothing changed.

Moreover, I have upgraded my Java version from 8 to 9 recently. I am not sure if this could be the reason for this.

I searched for a probable reason on the internet, though could not find any solution. Thanks, everybody in advance.

SANN
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1 Answers1

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I found the solution, and it was easy!

In the Control Panel, I selected the Region and Language option. Then in the Formats tab, I changed the Format option from Persian to English (United States), and everything turned out to be working alright in Weka!

Moreover, in the Administrative tab, for the Language for non-Unicode programs option, it is better to set the language in use as English (United States).

Cheers ...

SANN
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