Results 91 to 100 of about 53,576 (212)

Random Forest variable importance with missing data [PDF]

, 2012
Random Forests are commonly applied for data prediction and interpretation. The latter purpose is supported by variable importance measures that rate the relevance of predictors. Yet existing measures can not be computed when data contains missing values.
Hapfelmeier, Alexander, Hothorn, Torsten, Ulm, Kurt   +2 more
core   +1 more source

Correctness of different prescription forms for narcotics and other drugs in German medication claims data in 2006 [PDF]

, 2010
Hintergrund: Für die Forschung mit Routinedaten sind Kenntnisse zum Entstehungsprozess sowie zur Validität der Daten Voraussetzung. Ziel der Studie war es, die valide Erfassung forschungsrelevanter Informationen in Arzneimittelroutinedaten zwischen ...
Glaeske, Gerd, Hoffmann, Falk, Pfannkuche, Matthias S.   +2 more
core  

FENOMENUL DE MULTIMORBIDITATE ÎN PRACTICA CLINICĂ

Buletinul Academiei de Ştiinţe a Moldovei: Ştiinţe Medicale
Multimorbiditatea a devenit o problemă majoră de sănătate publică, care impune o povară substanțială atât asupra pacienților, cât și asupra sistemului de sănătate.
Virginia ȘALARU
doaj   +1 more source

Factors associated with alexithymia among the Lebanese population: results of a cross-sectional study

BMC Psychology, 2019
Background To our knowledge, no research project on alexithymia has been conducted in Lebanon. The objective of this study was to assess risk factors associated with alexithymia in a representative sample of the Lebanese population.
Sahar Obeid, Marwan Akel, Chadia Haddad, Kassandra Fares, Hala Sacre, Pascale Salameh, Souheil Hallit   +6 more
doaj   +1 more source

Neu charakterisierte Pathogenitäts-korrelierte Gene eignen sich im PCR-Test für eine weitergehende Differenzierung von Fusarium oxysporum f. sp. lycopersici-Isolaten …aus der JKI-Stammsammlung

Journal für Kulturpflanzen, 2009
Am Beispiel von Fusarium oxysporum forma specialis (f. sp.) lycopersici aus der JKI-Stammsammlung wurde das Vorkommen des Pathogenitäts-korrelierten, bedingt überzähligen (conditional dispensable, CD) Chromosoms mittels PCR untersucht.
Frank Niepold, Günther Deml
doaj   +1 more source

Epidemiologische Study Nurse (ESN) – ein Fortbildungskurs für Mitarbeitende in epidemiologischen Studien. Idee, Entwicklung, Pilotierung

GMS Medizinische Informatik, Biometrie und Epidemiologie
Introduction: A well-trained and experienced staff in epidemiological studies is essential for the quality of the study implementation and the data and analyses collected from it.
Sylvia Gastell, Gina Schöne, Nina Ebert, Beate Fischer, Claus-Werner Franzke, Antje Gößwald, Jasmin Gundlach, Kathrin Günther, Diana Heinemeyer, Heike Hölling, Karl-Heinz Jöckel, André Karch, Lilian Krist, Claudia Meinke-Franze, Heidrun Moll, Stefan Ostrzinski, Leo Panreck, Martin Schlaud, Matthias Schulze, Enno Swart, Christoph Stallmann, Sabina Waniek, Kerstin Wirkner, Antje Timmer, Tamara Schikowski   +24 more
doaj   +1 more source

Perinatal mortality in the Netherlands. Backgrounds of a worsening international ranking [PDF]

Perinatal mortality rates have dropped sharply in the past few decades, in the Netherlands as well as in all other European countries. However, as the decrease has generally slowed down since the 1980s, the Netherlands has lost its prominent position in ...
Anouschka van der Meulen, Joop Garssen
core  

Patterns of follow‐up care in adult blood cancer survivors—Prospective evaluation of health‐related outcomes, resource use, and quality of life

Cancer Medicine
Background Information about follow‐up care in blood cancer survivors is limited. The questionnaire‐based “Aftercare in Blood Cancer Survivors” (ABC) study aimed to identify patterns of follow‐up care in Germany and compare different types of follow‐up ...
Hildegard Lax, Julia Baum, Nils Lehmann, Anja Merkel‐Jens, Dietrich W. Beelen, Karl‐Heinz Jöckel, Ulrich Dührsen   +6 more
doaj   +1 more source

Goiter and iodine deficiency in europe [PDF]

, 1989
Gutekunst, R., Scriba, Peter Christian
core   +1 more source

Erratum zu: Messung der körperlichen Fitness in der NAKO Gesundheitsstudie – Methoden, Qualitätssicherung und erste deskriptive Ergebnisse. [PDF]

Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz
Kluttig A, Zschocke J, Haerting J, Schmermund A, Gastell S, Steindorf K, Herbolsheimer F, Hillreiner A, Jochem C, Baumeister S, Sprengeler O, Pischon T, Jaeschke L, Michels KB, Krist L, Greiser H, Schmidt G, Lieb W, Waniek S, Becher H, Jagodzinski A, Schipf S, Völzke H, Ahrens W, Günther K, Castell S, Kemmling Y, Legath N, Berger K, Keil T, Fricke J, Schulze MB, Loeffler M, Wirkner K, Kuß O, Schikowski T, Kalinowski S, Stang A, Kaaks R, Damms Machado A, Hoffmeister M, Weber B, Franzke CW, Thierry S, Peters A, Kartschmit N, Mikolajczyk R, Fischer B, Leitzmann M, Brandes M.   +49 more
europepmc   +1 more source