co-clustering

The Mulitple Latent Block Model for mixed data

Margot Selosse, Julien Jacques, Christophe Biernacki / 2021-01-05

Co-clustering techniques, which group observations and features simultaneously, have proven to be efficient in summarising data sets. They exploit the dualism between rows and columns and the data set is summarized in blocks (the crossing of a row-cluster and a column-cluster). However, in the case…

causality

Causal discovery in the presence of discrete latent variables

Rune Christiansen and Jonas Peters / 2020-12-15

We address the problem of causal structure learning in the presence of hidden variables. Given a target variable and a vector of covariates, we are trying to infer the set of observable causal parents of the target variable. There are many good reasons for being interested in causal predictors.…

Functional-Data-Analysis

Functional Regression Control Chart: a New Framework for Profile Monitoring

Fabio Centofanti, Antonio Lepore, Alessandra Menafoglio, Biagio Palumbo, and Simone Vantini / 2020-12-04

New statistical process control (SPC) methods have to be developed in order to handle more and more complex data, which are available because of the advent of new data acquisition technologies. In particular, in many practical situations the quality characteristic of a process can be modelled as a…

economic statistics

Online cash register data in the measurement of retail trade turnover

Ábel Csékus / 2020-12-03

The Hungarian Central Statistical Office uses online cash register data for the measurement of retail trade and food services. The data source allows the statistical office to considerably cut administrative burden of data providers without quality loss in retail trade statistics. Online cash…

R package

Making an Online Risk Calculator

Michael W. Kattan and Thomas A. Gerds / 2020-11-11

We first started making risk calculators with the website, http://nomograms.org. There are several here, and they are patient friendly. Later, we launched rcalc.ccf.org, which has many more risk calculators, although the intended audience is the clinician. It is considerably more expensive and…

statistics

Ensemble Forecasting of the Zika Space-Time Spread with Topological Data Analysis

Marwah Soliman, Vyacheslav Lyubchich and Yulia R. Gel / 2020-10-22

As per the records of the World Health Organization, the first formally reported incidence of Zika virus occurred in Brazil in May 2015. The disease then rapidly spread to other countries in Americas and East Asia, affecting more than 1,000,000 people. Zika virus is primarily transmitted through…