csc558lazyraw10005sp2023.arff includes tfreq, sort on tfreq (secondary sort key) then tosc (primary), select 1 from each tfreq limit.
No.	tid		tosc		tfreq	toscgn			tnoign
1	259670.0	PulseOsc	100.0	0.5104302614055249	0.16842270445039503
2001	361947.0	PulseOsc	2000.0	0.6253729277465933	0.21791088516029536
2002	391831.0	SawOsc		100.0	0.5789926730852601	0.16510822860937258
4002	640095.0	SawOsc		2000.0	0.5256724461452513	0.24458068072760902
4003	179941.0	SinOsc		100.0	0.5161630366954711	0.248322517513655
6003	239861.0	SinOsc		1998.0	0.6070074790930631	0.20497666936664014
6004	117700.0	SqrOsc		105.0	0.6823159800514822	0.19872223624049504
8004	218332.0	SqrOsc		2000.0	0.7316099204127263	0.1345648623275206
8005	457721.0	TriOsc		101.0	0.6270854855903912	0.1167949817804933
10005	952952.0	TriOsc		2000.0	0.5218974248003353	0.18779892446019406

Now inspect csc558lazy10005sp2023.arff for those tids and copy out funfreq, search sorted on tid.
No.	tid		funfreq		tosc		tfreq from above
1644	259670.0	107.666016	PulseOsc	100.0			off by 7.7%
2801	361947.0	4026.708984	PulseOsc	2000.0			off by 101.3%
3137	391831.0	107.666016	SawOsc		100.0			off by 7.7%
5973	640095.0	2002.587891	SawOsc		2000.0			off by 0.1%
765	179941.0	107.666016	SinOsc		100.0			off by 7.7%
1419	239861.0	2002.587891	SinOsc		1998.0			off by 0.2%
80	117700.0	107.666016	SqrOsc		105.0			off by 2.5%
1193	218332.0	2002.587891	SqrOsc		2000.0			off by 0.1%
3898	457721.0	107.666016	TriOsc		101.0			off by 6.6%
9500	952952.0	2002.587891	TriOsc		2000.0			off by 0.1%

Highest funfreq for PulseOsc:

1364	234361.0	4500.43945325967	PulseOsc		off by 201.2%
1364	234361.0	PulseOsc	1494.0	0.5098721923719535	0.20122965653090588