calculating subject-verb diversity in CLAN

[Leonid Spektor]

Hi,

	At this time there no way to just extract "baby swim" from the search result. But, it is easy to change COMBO or create a utility that can do that. I will have to talk to person in charge for that work.

To exclude the %spa lines that have $RT you would need to run KWAL first and then run COMBO. For example:


kwal +t@ +t% -s$RT +d +f  filename.cha
combo +t*CHI +d7 +sg|SUBJ^*^m|part+m|v  filename.kwal.cex

I do not know anything about calculating SVD automatically, so I will leave to to someone else to answer.



Leonid.

> On Oct 9, 2023, at 15:19, Risa Stiegler <rstiegle at purdue.edu> wrote:
> 
> Hello!
> 
> I am trying to calculate the number of unique subject-verb combinations (the subject verb diversity) in a child's speech.  
> 
> I'm able to use combo to find each instance of a child's utterance that has a subject and a verb (or participle):
> 
> combo +t*CHI +d7 +sg|SUBJ^*^m|part+m|v +g6 *.cha
> 
> I have 2 questions:
> 1) how can I exclude utterances that are marked with $RT on the %spa tier? (In order to exclude sentences where the child is directly imitating adult speech.)
> 
> 2) Is there a way to take the output of this combo command and create a list of just the subject-verb combinations and their frequencies?  The combo command outputs the main, mor, and gra tiers, and marks the subject and verb:
> *CHI:	a baby is swimming .
> %mor⇔%gra:	det:art|a⇔1|2|DET (1)n|baby⇔2|4|SUBJ aux|be&3s⇔3|4|AUX
> 	(1)part|swim-presp⇔4|0|ROOT .⇔5|4|PUNCT
> 
> It would be great if CLAN could go through and pull "baby swim" instead of having a human do it.
> 
> I saw in the 2023 CHILDES update that you are working on calculating SVD automatically, so if there is a better way to do it than what I've come up with I would love to hear it!
> 
> Thank you so much!
> Risa Stiegler
> 
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