Question about converting SALT files to CHAT format

[Brian MacWhinney]

Dear Ying Lu,
     You would need to send me the SALT file for me to make any sense of this.  Also, you ran MOR, but you failed to run POST after that.  Regarding details of MLU, there are lots of details that can lead to varying results.

--Brian MacWhinney

On Nov 4, 2012, at 8:33 PM, Ying Lu <yl5834 at gmail.com> wrote:

> Dear Chibolts group,
> 
> I am trying to convert some SALT files and compare the MLU calculated by SALT with that by CLAN. I encounter some problems:
> 
> (a) I am using SALT 2012 Student Version. 
> 
> The original SALT file is (I am using a short version sample here):
> 
> $ Child, Examiner
> + Language: English
> - 0:00
> 
> C There is a boy whose name is Tom.
> C He likes swimming.
> 
> - 0:05
> 
> But I got the following message when converting a SALT file into CHAT format using the command line "SALTIN Tran1.slt": 
> > SALTIN Tran1.slt
> saltin Tran1.slt
> Sun Nov 04 18:39:34 2012
> saltin (07-Sep-2012)
> ****************************************
> From file <Tran1.slt>
> ** ERROR: unknown symbol <> found on 1 line.
> ** ERROR: unknown symbol <c> found on 5 line.
> ** ERROR: unknown symbol <c> found on 7 line.
> Output file <Tran1.sltin.cha>
> 
> The output file looks like this:
> 
> @Begin
> @Languages:    eng
> @Time Start:    00:00
> @Time Start:    there is a boy whose name is tom .he likes swimming .00:05
> @End
> 
> I don't understand why the errors would occur.
> 
> (b) Also, the MLU calculated by SALT is often different from that calculated by CLAN. For example,
> C The dog was look/ing in the beehive and *at the mole. (in SALT)
> 
> When I convert this to CHAT format, and use the MOR and MLU commands, it showed: 
> *CHI:    The dog was [% ip] looking [% mv]
>     in the beehive and 0at [% po] the mole [% u] .
> %mor:    det|the v|dog^n|dog v:cop|be&PAST&13S^aux|be&PAST&13S
>     adj:part|look-PROG^n:gerund|look-PROG^part|look-PROG
>     prep|in^adv:loc|in^pfx|in det|the n|beehive coord|and 0prep|at
>     det|the n|mole .
> 
> The MLU by SALT is 11, but the Ratio of morphemes over utterances = 13 (Number of: utterances = 1, morphemes = 13) by CLAN.
> 
> Apparently, the MLU result by SALT is what I want. But how could I get the same result in CLAN?
> 
> Thank you very much for your attention! Look forward to your help!
> Sincerely,
> Ying Lu
> 
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