116 citations · 1.2k across the 79 of their papers we have counts for
5 papers · 1 filter
Robust Estimation of Average Treatment Effects from Panel Data
Sayoni Roychowdhury, Indrila Ganguly, Abhik Ghosh
In order to evaluate the impact of a policy intervention on a group of units over time, it is important to correctly estimate the average treatment effect (ATE) measure. Due to lac…
rSVDdpd: A Robust Scalable Video Surveillance Background Modelling Algorithm
Subhrajyoty Roy, Ayanendranath Basu, Abhik Ghosh
A basic algorithmic task in automated video surveillance is to separate background and foreground objects. Camera tampering, noisy videos, low frame rate, etc., pose difficulties i…
Robust adaptive Lasso in high-dimensional logistic regression
Ayanendranath Basu, Abhik Ghosh, María Jaenada +1
Penalized logistic regression is extremely useful for binary classification with large number of covariates (higher than the sample size), having several real life applications, in…
Strata-based Quantification of Distributional Uncertainty in Socio-Economic Indicators: A Comparative Study of Indian States
Abhik Ghosh, Olivia Mallick, Souvik Chattopadhay +1
This paper reports a comprehensive study of distributional uncertainty in a few socio-economic indicators across the various states of India over the years 2001-2011. We show that…
RaJIVE: Robust Angle Based JIVE for Integrating Noisy Multi-Source Data
Erica Ponzi, Magne Thoresen, Abhik Ghosh
With increasing availability of high dimensional, multi-source data, the identification of joint and data specific patterns of variability has become a subject of interest in many…