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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.

169,341 papers · 148 categories

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78157235313 · Jun 202019922001200920182026
48 results for Missing Inputs

New method reconstructs missing variables in time series using autoencoders and automatic differentiation.

problem Reconstruct missing variables in time series with flexible input and output combinations.
method Train an autoencoder with all features, optimize missing variables as inputs, and use automatic differentiation.
result Flexible input and output combinations can be achieved without retraining the autoencoder.

Paper tackles missing data in high-dimensional datasets using deep learning and swarm intelligence.

problem Missing data in high-dimensional datasets, considering different mechanisms.
method Combines deep learning and swarm intelligence to estimate missing data.
result Promising approach to estimate missing data, despite longer running times.

AugMask trains diffusion models on incomplete tabular data by augmenting missing values and applying denoising supervision.

problem Training diffusion models on incomplete tabular data with missing values.
method AugMask uses stochastic augmentation and denoising supervision to adapt diffusion models to incomplete data.
result AugMask enables diffusion-based tabular generators to outperform specialized missing-aware baselines across various datasets and missingness regimes.

New model recognizes emotions with missing modalities, improving accuracy.

problem Handling missing modalities in emotion recognition.
method Transformer-based architecture with cross-attention and self-attention mechanisms.
result Improvement of 37% in predicting arousal values and 30% in valence values compared to baseline.

RISE framework unifies and improves time series learning with missing data.

problem Learning from time series with missing data.
method RISE framework unifies and improves time series learning with missing data.
result RISE instances always benefit from encoders that learn representations for numerical values.

New method uses explicit human demonstrations to teach missing features in reward learning.

problem Reward learning methods rely on handcrafted features, limiting their ability to adapt to new or unexplained corrections.
method Introduces human input guiding the robot from states with missing features to states without, teaching the feature explicitly and integrating it into the reward function.
result Decreases sample complexity and improves generalization of the learned reward over deep IRL baseline.

New algorithm MR-MISSING learns low-dimensional representations from data with missing entries.

problem Learning low-dimensional representations from data with missing entries.
method Extends matrix completion techniques to handle missing data and non-linear manifold structure.
result Demonstrates effectiveness on synthetic and real data sets, providing theoretical guarantees.

Estimates missing data points in classifier inputs based on training data.

problem Estimating the proportion of unseen data points in classifier inputs.
method Characterizes the expected missing mass in terms of the sample and uses optimization to find nearly unbiased estimators with minimized MSE.
result Found estimators with MSE roughly 80% of the Good-Turing estimator's, improving over 93% of runs.

Propagating input uncertainty through non-linear Gaussian process (GP) mappings is intractable. This hinders the task of training GPs using uncertain and partially observed inputs. In this paper we refer to this task as "semi-described learning". We then introduce a GP framework that solves both, the semi-described and…

2015-09-03abs ↗pdf ↗

Method combines clustering and matrix completion for missing data in I/O tables.

problem Reconstructing missing entries in World Input-Output (I/O) matrices due to data collection issues.
method Hierarchical clustering and Matrix Completion with LASSO-like nuclear norm penalty.
result The method effectively predicts missing values from previous and similar countries' data.

Tree-based LSTM improves sequential regression with missing data.

problem Regression for variable-length sequential data with missing samples.
method Tree architecture of LSTM networks, selecting LSTM networks based on presence-pattern of previous inputs.
result Significant performance improvements on financial and real-life datasets.

Paper tackles linear models with missing values, achieving minimax optimal results.

problem Missing values in real-world data complicate linear model learning.
method Proposes a rigorous setting and a new algorithm leveraging missing data distribution.
result Derives minimax optimal adaptive risk bounds for predictions with missing values.

Efficient SGPRN model for imputation and visualization of missing data.

problem Imputation and visualization of missing data in time-varying correlation.
method Stochastic collapsed variational inference with structured Gaussian process regression network.
result Our model provides better imputation results on missing data than state-of-the-art methods.

Study improves accuracy of weather data for real-time building simulations.

problem Anomalous and missing weather data affect real-time building energy simulations.
method Introduces a framework for quality control of measured weather data using anomaly detection and neural network infilling.
result Neural Networks enhance the accuracy of data imputation compared to traditional methods.

A new decision tree method tackles fairness in datasets with missing values.

problem Fairness concerns in machine learning models trained on data with missing values.
method An integrated approach based on decision trees that incorporates missing values directly and optimizes a fairness-regularized objective function.
result Our method outperforms existing fairness intervention methods applied to imputed datasets.

Paper develops adaptive models for robust energy forecasting with missing data.

problem Operational models assume complete data; missing data can degrade forecast accuracy.
method Adaptive robust optimization and adversarial machine learning for missing data.
result Proposed models perform well even with short-term missing data and significantly outperform imputation with longer-term missing data.

A deep learning framework discovers causal relationships from incomplete data.

problem Discovering causal knowledge from incomplete observational data.
method Imputated Causal Learning (ICL) framework for iterative missing data imputation and causal structure discovery.
result ICL outperforms state-of-the-art methods in various missing data scenarios.

PbP strategy improves logistic model prediction with missing values.

problem Predicting with missing inputs in logistic models.
method Pattern-by-Pattern (PbP) strategy for logistic models with missing values.
result PbP accurately approximates Bayes probabilities under GPMM across various missing data scenarios.

CoIFNet unifies imputation and forecasting for robust multivariate time series prediction with missing values.

problem Pervasive missing values degrade multivariate time series forecasting accuracy.
method CoIFNet integrates imputation and forecasting through Cross-Timestep Fusion and Cross-Variate Fusion modules.
result CoIFNet achieves 24.40% improvement over state-of-the-art methods at 0.6 point (block) missing rate.

A GAN variant synthesizes missing MRI sequences from available ones.

problem Missing MRI sequences due to various constraints.
method Multi-modal Generative Adversarial Network (GAN) that combines multiple available sequences to synthesize missing ones.
result The proposed GAN method outperforms competing approaches in synthesizing missing MRI sequences.

New method learns robust joint representations by translating between modalities.

problem Learning robust joint representations from noisy or missing modalities.
method Cyclic translations between modalities with cycle consistency loss.
result Achieves state-of-the-art results on multimodal sentiment analysis datasets.

New method models longitudinal data using variational inference and normalizing flows.

problem Handling high-dimensional longitudinal data with time dependency.
method Variational inference with normalizing flows for latent variables.
result The method achieves better likelihood estimates and more reliable missing data imputation.

VSAE learns from missing heterogeneous data by modeling latent dependencies.

problem Learning from partially-observed heterogeneous data with missingness.
method Variational selective autoencoder (VSAE) models joint distribution of observed, unobserved, and missing data.
result VSAE improves over state-of-the-art models in data generation and imputation tasks.

Study proposes GRU-D networks for missing value handling in road surface friction prediction.

problem Missing values in road surface friction data affect prediction accuracy.
method Gated Recurrent Unit (GRU) network with decay mechanism.
result GRU-D networks outperform baseline models in road surface friction prediction.

Random imputation is surprisingly effective for linear predictors in missing data scenarios.

problem The effectiveness of naive imputation in missing data scenarios for linear predictors.
method A unique random features model framework to study predictive performances.
result Naive imputation is negligible in bias for linear predictors under MCAR assumption.

This paper tackles text infilling, a task of filling missing text portions, and presents a self-attention model that outperforms other methods.

problem The task of filling missing text portions, especially when the number and length of missing portions are unknown.
method A self-attention model with segment-aware position encoding and bidirectional context modeling, trained on extensive supervised data.
result The self-attention model significantly outperforms other approaches, setting a strong baseline for future research.