[feat] MXIRT result on lsat

Author: tswsxk

docs/irt_tutorial.ipynb

@@ -304,7 +304,7 @@
  "| bayesian-irt | | |\n",
  "| irt_parameter_estimation | | |\n",
  "| irt | | |\n",
- "| XCD-IRT-MXIRT | 0.703092 | |\n",
+ "| XCD-IRT-MXIRT | 0.703092 | 0.550503 |\n",
  "| XCD-IRT-MXIRT-with-tricks | 0.739607 | 0.673990 |\n",
  "\n",
  "#### MAP(aupoc)\n",
@@ -314,7 +314,7 @@
  "| bayesian-irt | | |\n",
  "| irt_parameter_estimation | | |\n",
  "| irt | | |\n",
- "| XCD-IRT-MXIRT | 0.788603 | |\n",
+ "| XCD-IRT-MXIRT | 0.788603 | 0.808893 |\n",
  "| XCD-IRT-MXIRT-with-tricks | 0.826107 | 0.868745 |\n",
  "\n",
  "The scripts we used to test the performance of the baseline implementation could be found in:\n",