| L1: | Data summarization | (35 routines) |
| L2: | Data manipulation | (7 routines) |
| L3: | Elementary statistical graphics (search also class Q) | (4 routines) |
| L4: | Elementary data analysis | (29 routines) |
| L5: | Function evaluation (search also class C) | (38 routines) |
| L6: | Random number generation | (44 routines) |
| L7: | Analysis of variance (including analysis of covariance) | (13 routines) |
| L8: | Regression (search also classes D5, D6, D9, G, K) | (53 routines) |
| L9: | Categorical data analysis | (10 routines) |
| L10: | Time series analysis (search also class J) | (46 routines) |
| L11: | Correlation analysis (search also classes L4 and L13c) | (0 routines) |
| L12: | Discriminant analysis | (4 routines) |
| L13: | Covariance structure models | (8 routines) |
| L14: | Cluster analysis | (5 routines) |
| L15: | Life testing, survival analysis | (3 routines) |
| L16: | Multidimensional scaling | (2 routines) |
| L17: | Statistical data sets | (0 routines) |