This scripts returns useful information about your Hi-C interaction matrix. However, the following information can be included if it is provided by the Hi-C interaction matrix meta data. In case the meta data is missing, the information can be less.
# Matrix information file. Created with HiCExplorer's hicInfo version 3.2-dev File: /tmp/tmpyyll1kwi.cool Date: 2019-08-11T19:46:15.959678 Genome assembly: dm3 Size: 33,754 Bin_length: 5000 Number of chromosomes: 15 Non-zero elements: 35,857 The following columns are available: ['chrom' 'start' 'end'] Generated by: HiCMatrix-11-dev Cooler library version: cooler-0.8.5 HiCMatrix url: https://github.com/deeptools/HiCMatrix Interaction matrix created with: HiCExplorer-3.2-dev URL: https://github.com/deeptools/HiCExplorer Build statistics: File /tmp/tmpyyll1kwi.cool Sequenced reads 99983 Min rest. site distance 300 Max library insert size 1000 # count (percentage w.r.t. total sequenced reads) Pairs mappable, unique and high quality 52726 (52.73) Hi-C contacts 37321 (37.33) One mate unmapped 8777 (8.78) One mate not unique 3603 (3.60) Low mapping quality 34877 (34.88) # count (percentage w.r.t. mappable, unique and high quality pairs) dangling end 0 (0.00) self ligation (removed) 0 (0.00) One mate not close to rest site 0 (0.00) same fragment 15393 (29.19) self circle 0 (0.00) duplicated pairs 12 (0.02) # count (percentage w.r.t. total valid pairs used) inter chromosomal 5955 (15.96) Intra short range (< 20kb) 8853 (23.72) Intra long range (>= 20kb) 22513 (60.32) Read pair type: inward pairs 7145 (19.14) Read pair type: outward pairs 9731 (26.07) Read pair type: left pairs 7156 (19.17) Read pair type: right pairs 7334 (19.65)
Please have in mind that the provided information depends on the tool and its version with which the matrix was created.