ILC 1 expanded class ys3

      ys3    by method

03  [ys3]	as studied by method
031  [ys31]	as studied through step
032  [ys32]	studied in environment
034  [w]	using tool  « ys34
053  [ys3]	by disciplinary method
f03  [ys3]	studied through method
ys3  [:]	by method, approach, research
ys31  [:]	in step
ys31h	hypothesis
ys31n	analysis  « 95
ys31t	testing, checking
ys31u	result
ys32  [:]	in study environment
ys32f	the field
ys32i	captivity
ys32l	laboratory
ys34  [w]	using instrument, tool
ys3b	observation
ys3bd	discreet observation
ys3bp	participant observation
ys3c	experience, intuition
ys3d	examination of physical tracks
ys3e	sensing, detection, measurement, sensors, transducers
ys3ea	censusing, counting
ys3em	magnetic resonance
ys3emn	nuclear magnetic resonance, NRM
ys3es	satellite imagery
ys3et	telemetry, remote sensing
ys3ett	acoustic telemetry  « g3
ys3etu	ultrasonic telemetry
ys3f	recording
ys3fc	taking pictures, photographing  « y4ip
ys3fn	sound recording  « g3
ys3fv	filming  « y4m
ys3g	marking, labeling, tagging
ys3h	experimentation, stimulation
ys3hp	playback
ys3i	case study
ys3j	interview  « p
ys3k	survey, questionnaire
ys3l	review of bibliographical sources  « y4
ys3lt	textual analysis, content analysis, discourse analysis  « y4
ys3m	mathematical analysis, processing  « ym
ys3n	probability estimation  « aip
ys3o	statistical analysis  [statistics]  « yms
ys3od	descriptive statistics
ys3oi	inferential statistics
ys3s	modeling, simulation  « a
ys3sg	game theoretic models
ys3u	mapmaking
ys3v	comparison, comparative method
ys3x	classification, systematics, taxonomy
ys3xn	numerical taxonomy, phenetic
ys3xp	evolutionary analysis, phylogenetic classification
ys3xq	cladistic analysis

or

Facets key
0  under aspect      
1  at time           
2  in place          
3  through process   
4  made of element   
5  with organ        
6  from origin       
7  to destination    
8  like pattern      
9  of kind