Table 1.

Summary of scRNA-seq data sets

Data set	#Cells	#Clusters	Protocol	Cell types
Baron2016 [51, 52]	10,455	14	inDrop	Pancreas cells of human and mouse
Shekhar2016 [9, 53]	27,499	19	Drop-seq	Retinal bipolar neurons of mouse
Plass2018 [10, 54]	21,612	51	Drop-seq	Mature and progenitor cells of planarian
TabulaMuris † [12, 55]	54,967	57	Chromium	Cell atlas of mouse
1M_neurons [56]	1,306,127	60	Chromium	Brain cells of mouse

^† Not including cells sequenced with Smart-Seq2