Risky +1 option of MOR and POST

Fri Nov 15 16:39:02 UTC 2013

	We have always recommended that people use +1 option when running MOR and POST commands. This option makes life easier by saving a few steps of renaming MOR and POST command’s output files back to filenames with “.cha" extensions. In short this option would automatically replace the original input files with output files. Even in the worst case of some error or computer mishap only the "%mor:" tiers would be lost. And since we always expected those tiers to be automatically created by MOR and POST the worst result of this situation would be a minute lost needed to run MOR and POST commands again. Considering the minimal risk and time saving result of +1 option we decided to make it a default setting for MOR and POST commands. Now, knowing that some people code "%mor:” tiers by hand, we realize that the loss of those tiers is a much worse consequence than we anticipated. Today I have reversed the default setting of MOR and POST commands back to previous setting and installed new CLAN on childes web site.

	If you plan to use +1 option with any of CLAN command, then please make sure that you first back up the copy of data files that you are about to run CLAN command on. The version of MOR and POST, that would automatically and without any warning replace input data files with output files, were on childes web site since 13th of November until today. If you have downloaded CLAN during that period please either get a new version of CLAN or be very careful when using MOR and POST.

Leonid.

On Nov 14, 2013, at 10:38, Bruno Estigarribia <brunilda at gmail.com> wrote:

> Thank you Leonid. So, are you saying that to have mlu count a circumfix as ONE morpheme instead of two, one MUST use the %mor tier, so mlu can put together the two occurrences of NEG? If so, does that happen automatically or does one have to give mlu particular instructions?
> Thanks,
> Bruno
>> Bruno,
>> 
>>  MLU looks for the follow four characters to count morphemes: "-#~+”. I addition the word itself is also counted as one morpheme. In you examples “NEG#1s#walk-NEG” and "nd-a-guata-i" MLU would count 4 morphemes, regardless of whether those words are on main speaker tier or on %mor tier. I would however recommend coding Guaraní language words on %mor tier, since you have to do it by hand anyway, because the Spanish words will be coded on %mor tier and it is easier to search and analyze the same kind of data if it is located in the same place for all languages.
>> 
>> Leonid.
>> 
>> 
>> 
>> On Nov 14, 2013, at 09:46, Bruno Estigarribia <brunilda at gmail.com> wrote:
>> 
>>> Hello all!
>>> 
>>> I am analyzing a corpus of code-switching between Spanish and Guaraní.
>>> While we prepare a better version using a %mor tier (mostly done by hand, obviously, since I don't think we have lib files for Guaraní :-) ), I have been doing some quick "old-style" morphemization on the main tier (which I believe will still work with MLU as long as I include the -t%mor switch, right?).
>>> Then a question came up: how does mlu treat circumfixes? Example, the Guaraní negation nd-...-i as in:
>>> nd-a-guata-i
>>> NEG#1s#walk-NEG
>>> "I don't walk"
>>> I obviously don't want to count nd# and -i separately...
>>> I couldn't find the answer on either the CHAT or the CLAN manuals, or on this list. Sorry if I've missed something!
>>> Thanks!
>>> Bruno
>>> 
>>> Bruno Estigarribia
>>> 
>>> Assistant Professor of Spanish, Department of Romance Languages and Literatures
>>> 
>>> Research Assistant Professor of Psychology, Cognitive Science Program
>>> 
>>> Affiliate Faculty, Global Studies
>>> 
>>> https://sites.google.com/site/brunoestigarribialing/
>>> 
>>> http://roml.unc.edu/people/spanish/faculty/bruno-estigarribia/
>>> 
>>> Dey Hall, Room 332, CB# 3170
>>> 
>>> University of North Carolina at Chapel Hill
>>> 
>>> 
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