Research
On-device research index

arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,742 papers · 148 categories

Trend · papers per month

0111 · Jun 202219922001200920172026
4 results for missing-indicators

Imputation with missing-indicators improves machine learning performance, especially for categorical attributes.

problem Missing values in datasets can be lost through imputation, potentially reducing model performance.
method Combines missing-indicator approach with imputation strategies on real datasets.
result Missing-indicators generally increase classification performance, especially for categorical attributes.

This paper compares preprocessing techniques for XGBoost models on various data sets.

problem Improving predictive performance of XGBoost models through optimal data preprocessing.
method Comparison of feature selection, categorical handling, and null imputation methods.
result XGBoost importance by gain is the most consistent and highest-performing method for feature selection.

New method reduces bias in incomplete data using deliberate missingness.

problem Systematic gradient biases in incomplete data for stochastic learning.
method Richardson-SGD debiasing procedure with deliberate missingness.
result Reduces gradient bias from O(p)O(\|p\|) to O(p2)O(\|p\|^2).