Probabilities 944 Distribution (Probability theory) 454 Mathematical statistics 344 Mathematics 320 Statistics 212 Statistical methods 140 Engineering 127 Stochastic processes 95 Computer science 52 Economics 51 Data processing 50 Finance 48 Engineering mathematics 45 Mathematical models 44 Operations research 43 Random variables 33 Computer simulation 32 Differential equations, Partial 32 Problems, exercises, etc 32 Mathematical optimization 26 Mathematical physics 26 Electric engineering 25 Functional analysis 23 Outlines, syllabi, etc 21 Physics 21 Systems theory 21 R (Computer program language) 20 Reliability (Engineering) 20 Measure theory 19 System safety 17