official statistics

Smart Survey Implementation WP2 deliverable M6: review stage.

Smart surveys have emerged as a promising data collection method, bridging the gap between traditional survey techniques and modern technological advancements. The key characteristic of smart surveys is that they intelligently combine the use of …

Smart Survey Implementation WP2 deliverable M6: smart baseline stage.

The goal of the WP2 ‘Methodology’ workpackage of the Smart Survey Implementation project (SSI) is to find out what general methodological elements trusted smart surveys should have so that they can be used in statistical production by European NSIs. …

Data Linkage to Validate and Calibrate Traffic Estimations on a Nationwide Scale: A Framework for Official Statistics

Traffic estimation is an important area in official statistics and is used by policymakers in their decision-making process for regional planning. This paper describes a framework that relies on combining large amounts of data from traffic loop …

Maximum interpolable gap length in missing smartphone-based GPS mobility data

Passively-generated location data have the potential to augment mobility and transportation research, as demonstrated by a decade of research. A common trait of these data is a high proportion of missingness. Naïve handling, including list-wise …

Correcting inferences for volunteer-collected data with geospatial sampling bias

Citizen science projects in which volunteers collect data are increasingly popular due to their ability to engage the public with scientific questions. The scientific value of these data are however hampered by several biases. In this paper, we deal …

Nonresponse analysis in a longitudinal smartphone-based travel study

Currently, travel surveys are the standard method for measuring mobility in official statistics. Nonresponse and measurement are problematic in travel surveys, due to the high burden and non-centrality of the requested information. To overcome these …