Results 281 to 290 of about 4,202,897 (320)

Missing Data

2013
Missing data frequently occur in clinical trials. An important source for missing data are patients who leave the study prematurely, so-called dropouts. We will concentrate here on the impact of dropouts on the clinical trial analysis. When patients are evaluated under treatment only once, then the presence of dropouts makes it hard to comply with the ...
Riyad Khanfer, John Ryan, Howard Aizenstein, Seema Mutti, David Busse, Ilona S. Yim, J. Rick Turner, Wendy Troxel, Julianne Holt-Lunstad, Beate Ditzen, Tiffany Field, Kristin A. Long, Melissa A. Alderfer, Rebecca C. Thurston, James Turner, James Turner, Tavis S. Campbell, Jillian A. Johnson, Kristin A. Zernicke, J. Rick Turner, Login S. George, Crystal L. Park, Natalie E. Bustillo, J. Rick Turner, Chris Zehr, William Whang, William Whang, Pamela S. King, Richard Peter, Karl-Heinz Ladwig, Benjamin H. Natelson, Jessica Haberer, Alan M. Delamater, Suzana Drobnjak, William Reeves, Andrew Fox, Kristen Salomon, J. Rick Turner, Anna Maria Patino-Fernandez, Wen B. Leong, Shahrad Taheri, G. Neil Thomas, Jana Strahler, Jeanetta Rains, Donald Penzien, J. Rick Turner, Mike Antoni, Alan M. Delamater, Arpo Aromaa, Jane Upton, Luz M. Garcini, Eleshia J. P. Morrison, Georita Marie Frierson, Orit Birnbaum-Weitzman, J. Rick Turner, J. Rick Turner, Pamela S. King, Jennifer Wessel, Maria Kleinstäuber, G. David Batty, G. David Batty, Demetria Cain, Pedro C. Castellon, Kenneth Wallston, Yori Gidron, Yori Gidron, Simon Sherry, Anna MacKinnon, Jonathan Newman, Yori Gidron, Kyle R. Noll, Laura H. Lacritz, J. Rick Turner, Sheah Rarback   +73 more
  +5 more sources

Missed Beeps and Missing Data

Social Science Computer Review, 2013
Experience sampling research measures people’s thoughts, feelings, and actions in their everyday lives by repeatedly administering brief questionnaires throughout the day. Nonresponse—failing to respond to these daily life questionnaires—has been a vexing source of missing data.
Paul J. Silvia, Thomas R. Kwapil, Kari M. Eddington, Leslie H. Brown   +3 more
openaire   +1 more source

Missing Data

Organizational Research Methods, 2014
Missing data (a) reside at three missing data levels of analysis (item-, construct-, and person-level), (b) arise from three missing data mechanisms (missing completely at random, missing at random, and missing not at random) that range from completely random to systematic missingness, (c) can engender two missing data problems (biased parameter ...
openaire   +2 more sources

Missing Data

Community Oncology, 2010
David L. Streiner, Geoffrey R. Norman
openaire   +3 more sources

Missing Data

New England Journal of Medicine, 2012
James H. Ware, David Harrington, David J. Hunter, Ralph B. D'Agostino   +3 more
  +4 more sources

Missing Data

2019
Craig Mallinckrodt, Geert Molenberghs, Ilya Lipkovich, Bohdana Ratitch   +3 more
  +5 more sources

Handling Missing Data

Current Problems in Cancer, 2005
Jefrey L, Huntington, Amylou, Dueck
openaire   +2 more sources

IMPUTING MISSING DATA

Journal of the American Academy of Child & Adolescent Psychiatry, 2004
Calvin D, Croy, Douglas K, Novins
openaire   +2 more sources

Cancer Statistics, 2021

Ca-A Cancer Journal for Clinicians, 2021
Rebecca L Siegel, Kimberly D Miller
exaly  

Cancer statistics, 2022

Ca-A Cancer Journal for Clinicians, 2022
Rebecca L Siegel, Kimberly D Miller, Ahmedin Jemal Dvm   +2 more
exaly