MLU analyses questions

[Brian MacWhinney]

Dear Bernadette,

If there is no morphological tier, then MLU counts each word as a single morpheme.  In effect, this is what people call MLUw or mean length of utterance in words.  The major alternative is MLUm or mean length of utterance in morphemes.  You decide what counts as a morpheme by your choice of delimiters for the parsing of the %mor line.

--Brian MacWhinney

On Apr 14, 2011, at 11:13 AM, Bernadette Plunkett wrote:

> Hi,
> so what happens with an mlu search, when the corpus has no morphological tier?
> thanks,
> Bernadette Plunkett
> On 14 April 2011 15:57, Leonid Spektor <spektor at andrew.cmu.edu> wrote:
> Janet,
> 
> 	The MLU uses "%mor" tier for analyses and freq uses speaker tiers. The words listed in the "exclude.cut" file have to match the format on corresponding tier. For example, when searching for word "what" on speaker tier you would specify -s"what", but when searching for the same word on "%mor" tier you would specify -s"pro:wh|what" or
> -s"*|what". if you need more help, then please email your exclude.cut file to me directly, not chibolts, and I'll try to help you. 
> 
> Leonid.
> 
> 
> 
> 
> 
> On Apr 14, 2011, at 10:09, Janet Bang wrote:
> 
>> Hello,
>> 
>> I have a couple of questions regarding MLU analyses in CLAN (version d/l from March 28), any help would be greatly appreciated.
>> 
>> 1. I am running MLU analyses and I am trying to exclude words in the morpheme count that are set up in a separate .cut file. I am using the -s switch such as: -s at exclude.cut in the command, but it does not seem to be working (when I use the same switch with the FREQ program, it does work). Is there a certain way the file has to be set up to exclude words for MLU? The "exclude.cut" file itself is located in the same working/library directory as the files I'm trying to analyze.
>> 
>> 2. Also, is there a difference between tagging words such as jack+in+the+box, or jack_in_the_box for MLU? A short test sentence I ran did not arrive with a different MLU count.
>> 
>> Thank you!
>> Janet Bang
>> 
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> 
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> 
> -- 
> Dr. Bernadette Plunkett
> Dept of Language and Linguistics
> University of York
> Heslington
> YO10 5DD
> 
> 
> Tel: +44 1904 432676
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