🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsTiếng ViệtРусскийفارسی한국어中文日本語EntityQ857354· pop 17· linked from 106 articlespanel datalongitudinal statistical study in which one group of individuals are interviewed at intervals over a given period of timeAvailable in 17 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoBasqueCatalanDanishConnectionsstatisticsEntityInternational Standard Book NumberEntityCategoriesMathematical and quantitative methods (economics)Multivariate time seriesPanel dataStatistical data types