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Complexity and simplification of networks (v2)
The paper deals with two topics: the quantification of the complexity of networks (graphs and digraphs) and the simplification of networks by identifying their most important parts (nodes and arcs /...
Including migration in hedonic valuation: earthquakes
This paper is an attempt to estimate the willingness to pay for earthquake reduction in and around the province of Groningen (2012-2018), whilst using a discrete choice model to incorporate...
An estimator for ratios of Poisson distributed quantities
A common task for national statistical institutes is to estimate the size of a subpopulation, with certain specific characteristics, as a proportion of a larger population or subpopulation. This...
How the mathematics of complex systems contributes to statistics
On Wednesday 20 October 2021, Professor Frank Pijpers gave his inaugural lecture on Empirical explorations of a complex society at the University of Amsterdam.
Estimation of antenatal care coverage in Bangladesh
Method of estimating annual figures based on surveys that become available every three to four years.
Assessing Public Sector Productivity
A methodological study into the productivity of the Dutch public sector with calculations for the courts, public prosecution service and the police
Evaluating and improving a text classifier for subpopulations.
Evaluating and improving a text classifier for subpopulations: the case of cybercrime.
Sensor Data Challenge 2021: experimenting with smart sensors
The third Sensor Data Challenge took place on 22 and 23 April 2021.
Multivariate density estimation by neural networks
Discussion paper about a nonparametric method to estimate the probability density of data sources
Potential Biases in Network Reconstruction Methods
Potential Biases in Network Reconstruction Methods Not Maximizing Entropy
Pilot Study: Mobile Phone Meta Data Records – Introduction to the research method
Mobile Phone Meta-Data, mobile phone data, method, processing method, privacy, statistical disclosure control
Small Area Estimation of sickness absence
Small area estimation of sickness absence
Using complexity science to understand social problems
On 1 January 2021, Statistics Netherlands (CBS) senior methodologist Frank Pijpers was appointed Professor of Complexity for Official Statistics at the University of Amsterdam (UvA).
Methodology Research Vision 2020- 2025
CBS Methodology Research Vision 2020- 2025
Transition plan redesign of the Dutch Labour Force Survey
Estimating discontinuities with a parallel run and a time series modelling approach
Development of a survival model for unexpectedly long hospital stays
Survival model for the indicator for unexpectedly long hospital stays.
Geographic location estimation of mobile devices
A working paper in which a modular Bayesian framework is proposed to estimate the geographic location of mobile devices from mobile phone network data.
Nowcasting GDP growth rate: a potential substitute for the current flash estimate
Currently Statistics Netherlands provides a first estimate of the GDP growth rate 45 days after the end of the reference quarter.
Fair algorithms in context
Decisions in our society are increasingly supported by Artificial Intelligence (AI). In this work we refer to AI as computers doing ‘intelligent’ tasks. This can for example be determining good moves...
Monthly turnover figures using nowcasting
Nowcasting with mixed-frequency time series methods
Methodological audits at NSIs
Methodological audits at NSIs – survey of international practice
How data determine who are the people of Europe
How data determine who are the people of Europe
Understanding 100 years of farmland biodiversity loss
Understanding 100 years of farmland biodiversity loss
The accuracy of estimators based on a binary classifier
Publications in official statistics often involve estimates by domain. It is important to account for the effect of misclassifications between domains on the accuracy of these statistics.
Correcting for linkage errors in contingency tables
Correcting for linkage errors in contingency tables – a cautionary tale