Table 1. Prevalence of bimodal splicing distributions before and after filtering.

Dataset	Cell type cluster	Cells	Exons	Bimodal	% bimodal	Selected	Selected bimodal	% bimodal selected	p-val (adj)
Chen	ES	217	446	118	26%	94	0	0%	3.3e-14
Chen	Epi, early	98	402	107	27%	98	1	1%	9.3e-14
Chen	Epi, late	104	516	136	26%	76	1	1%	1.1e-09
Chen	Neuron, early	47	364	117	32%	43	0	0%	3.6e-08
Chen	Neuron, late	22	517	146	28%	61	0	0%	1.1e-09
Lescroart	Heart E6.75	172	286	77	27%	33	0	0%	2.0e-05
Lescroart	Heart E7.25	341	291	78	27%	36	0	0%	8.0e-06
Trapnell	Myoblast 00 hr	35	400	142	36%	41	0	0%	1.2e-08
Trapnell	Myoblast 24 hr	89	251	97	39%	27	0	0%	1.2e-06
Trapnell	Myoblast 48 hr	72	242	97	40%	32	1	3%	9.1e-07
Trapnell	Myoblast 72 hr	35	252	101	40%	24	1	4%	5.1e-05
Song	iPSC	62	616	269	44%	55	0	0%	3.3e-14
Song	NPC	73	212	92	43%	28	1	4%	1.2e-06
Song	MN	67	168	82	49%	19	4	21%	9.4e-03
Shalek	BMDC	13	149	51	34%	27	1	4%	6.6e-05