IWR1642BOOST: For what purpose did you create [tHist.mat] created in tm_play.m?

Hello.

tm_play.m creates a file called [tHist.mat].
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C:\ti\mmwave_industrial_toolbox_2_4_0\labs\lab0013_traffic_monitoring_16xx\gui\tm_play.m
L557 save('tHist.mat','tHist');
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But I do not know why this file is necessary.
Please tell me what purpose you are creating.

Please note that it is not a "fHist" file.
I understand the purpose of the fHist file.
What I want to know is about the "tHist" file.

Thanks.