Quantification of collective behaviour via causality analysis

Terms such as leader, mediator, and follower sound equal in the description of a pack wolves, street protest crowd, or business team have very similar meanings. This indicates presence some general law structure that governs collective behaviour. To reveal this, we selected most common parameter for levels organisation -- motion. A causality analysis distance correlations was performed to obtain follow-up networks show who follows whom how strongly. These characterise an observed system work automation bridge between biological experiment broad field network analysis. The proposed method tested on 3D image data from controlled 6-member school aquarium fish Tiger Barb. patterns can be easily ethologically interpreted agreed with expected