Gene expression measurements on 72 leukemia patients: 47 ALL (acute lymphoblastic leukemia) and 25 AML (acute myeloid leukemia). From the landmark Golub et al. (1999) Science paper. This smaller subset contains 3571 genes and is used in Section 19.1.
Format
A data frame with 3571 rows (genes) and 72 columns (patients). Column names indicate the class label (ALL or AML) for each patient.
References
Golub, T.R., et al. (1999). Molecular Classification of Cancer: Class Discovery and Class Prediction by Gene Expression Monitoring. Science, 286, 531-537.
Efron, B. and Hastie, T. (2016). Computer Age Statistical Inference. Cambridge University Press, Section 19.1.
Examples
data(leukemia_small)
str(leukemia_small)
#> 'data.frame': 3571 obs. of 72 variables:
#> $ ALL : num 0.562 0.214 -0.637 0.347 0.546 ...
#> $ ALL.1 : num -0.623 -0.912 -0.465 -0.734 -0.54 ...
#> $ ALL.2 : num -0.815 -1.084 -0.583 1.786 1.445 ...
#> $ ALL.3 : num 0.229 -0.966 -0.525 -0.188 -0.535 ...
#> $ ALL.4 : num -0.706 0.661 -0.548 -0.703 -0.286 ...
#> $ ALL.5 : num -0.315 0.541 -0.156 0.446 -0.204 ...
#> $ ALL.6 : num -0.0895 -0.9165 -0.4702 -1.0269 -0.6345 ...
#> $ ALL.7 : num -0.6237 -0.9126 -0.4658 0.8609 0.0779 ...
#> $ ALL.8 : num -0.816 1.564 -0.659 -0.276 0.127 ...
#> $ ALL.9 : num 2.044 0.45 -0.141 0.195 0.507 ...
#> $ ALL.10: num -0.425 1.443 -0.267 -0.819 -1.187 ...
#> $ ALL.11: num 0.0732 -0.2865 0.2321 -0.3089 -1.6797 ...
#> $ ALL.12: num -0.587 0.549 -0.429 0.389 0.577 ...
#> $ ALL.13: num -0.668 -0.736 -0.511 0.178 1.854 ...
#> $ ALL.14: num -0.633 -0.921 2.9 2.935 1.879 ...
#> $ ALL.15: num 1 -0.955 -0.514 -0.799 0.321 ...
#> $ ALL.16: num -1.0024 -0.361 -0.8452 0.3969 0.0608 ...
#> $ ALL.17: num -0.287 -0.61 -0.129 -0.678 0.401 ...
#> $ ALL.18: num -0.347 -0.664 -0.188 -0.252 -0.357 ...
#> $ ALL.19: num 1.003 1.118 -0.898 1.21 1.934 ...
#> $ ALL.20: num 0.00384 -0.34875 0.16271 -0.37992 0.03305 ...
#> $ ALL.21: num -0.1388 -0.4769 0.0199 -0.5259 -1.8893 ...
#> $ ALL.22: num -0.302 -0.624 -0.144 -0.693 0.626 ...
#> $ ALL.23: num -0.839 -1.106 -0.681 -0.453 0.206 ...
#> $ ALL.24: num -0.368 -0.682 -0.209 0.558 0.88 ...
#> $ ALL.25: num -0.4306 -0.7391 -0.2725 -0.8248 0.0277 ...
#> $ ALL.26: num 2.516 1.584 -0.207 -0.758 0.156 ...
#> $ AML : num -0.733 -1.011 -0.575 -0.582 0.164 ...
#> $ AML.1 : num -0.0345 2.6069 0.1244 -0.4191 -1.2713 ...
#> $ AML.2 : num 1.616 0.0344 -0.3291 -0.3329 -0.5938 ...
#> $ AML.3 : num -0.392 -0.704 -0.234 -0.785 -0.983 ...
#> $ AML.4 : num -0.773 -0.072 -0.615 -0.768 -0.271 ...
#> $ AML.5 : num -0.839 0.824 4.849 4.139 3.065 ...
#> $ AML.6 : num -0.578 -0.871 -0.42 0.226 -0.656 ...
#> $ AML.7 : num -0.361 1.015 -0.203 -0.754 -0.328 ...
#> $ AML.8 : num -0.689 -0.971 0.856 0.42 0.139 ...
#> $ AML.9 : num -0.573 1.254 4.321 2.994 1.481 ...
#> $ AML.10: num -0.545 2.168 1.029 0.959 0.541 ...
#> $ ALL.27: num -0.385 -0.698 -0.227 -0.172 -1.107 ...
#> $ ALL.28: num 2.233 0.139 -0.29 -0.843 -0.43 ...
#> $ ALL.29: num -0.2121 -0.5428 -0.0536 -0.601 -1.8133 ...
#> $ ALL.30: num -0.431 2.078 -0.273 0.497 0.1 ...
#> $ ALL.31: num -0.323 -0.642 -0.165 -0.715 -0.571 ...
#> $ ALL.32: num -0.054 -0.4007 0.1048 0.0315 -0.4304 ...
#> $ ALL.33: num -0.0324 -0.3813 0.1265 -0.417 -0.3208 ...
#> $ ALL.34: num -0.158 -0.494 0.61 0.622 -0.46 ...
#> $ ALL.35: num -0.484 -0.787 -0.326 0.652 2.341 ...
#> $ ALL.36: num -0.832 -0.3176 -0.6745 -1.2357 -0.0359 ...
#> $ ALL.37: num 3.118 -0.852 -0.398 -0.953 0.228 ...
#> $ AML.11: num -0.5052 -0.8061 0.1522 0.0849 -0.2773 ...
#> $ AML.12: num -0.3888 1.3077 -0.2306 -0.0377 -0.8144 ...
#> $ AML.13: num 2.768 1.502 0.282 -0.258 -0.809 ...
#> $ AML.14: num -0.858 -1.123 -0.701 1.164 0.321 ...
#> $ AML.15: num -0.606 -0.897 0.514 0.489 0.62 ...
#> $ ALL.38: num 2.463 -0.49 -0.0773 -0.6253 -2.1736 ...
#> $ ALL.39: num 0.6167 0.0285 -0.3721 -0.9266 0.6836 ...
#> $ AML.16: num -0.0227 -0.3726 0.1361 -0.4071 -0.2401 ...
#> $ AML.17: num -0.383 0.965 -0.224 0.795 0.358 ...
#> $ ALL.40: num 2.4444 0.2416 0.0476 -0.4976 -1.7901 ...
#> $ AML.18: num 1.6917 0.6074 0.0223 -0.5234 -0.1051 ...
#> $ AML.19: num 1.308 0.559 -0.207 -0.758 -0.594 ...
#> $ AML.20: num -0.571 -0.865 -0.413 -0.729 1.549 ...
#> $ AML.21: num -0.8077 -1.078 -0.6502 -0.0568 -0.0153 ...
#> $ AML.22: num -0.94 -0.43 -0.783 -1.347 -0.665 ...
#> $ AML.23: num -0.2072 -0.5383 -0.0486 -0.596 -0.9368 ...
#> $ AML.24: num 0.0625 -0.296 0.2215 -0.3198 -0.3456 ...
#> $ ALL.41: num -0.294 0.685 -0.136 1.01 1.384 ...
#> $ ALL.42: num -0.0472 2.6422 -0.5244 0.0817 0.169 ...
#> $ ALL.43: num -0.812 -1.082 2.775 2.209 1.54 ...
#> $ ALL.44: num 0.0135 1.8172 0.1724 0.4298 -0.509 ...
#> $ ALL.45: num -0.3534 0.0635 -0.1951 -0.1014 0.4148 ...
#> $ ALL.46: num -0.526 1.362 -0.368 -0.922 -0.9 ...