نتایج جستجو برای: response variable

تعداد نتایج: 1210904  

Journal: :QJM: An International Journal of Medicine 2021

Journal: :Revista Portuguesa de Cardiologia (English Edition) 2017

A. Bahrami, M. Pazouki, M. R. Hosseini,

Abstract: point of view. In this study, a shaking-table was used for concentrating a manganese ore sample from the Ghasem Abadarea in Kerman, Iran. Experiments were designed by using LThe influence of each variable and their interactions on the operation of the device was studied. The variables underinvestigation were: table slope, table frequency, water flowrate, feed rate, and particle size. ...

Journal: :journal of paramedical sciences 0
alireza akbarzadeh baghban department of basic sciences, school of rehabilitation sciences, shahid beheshti university of medical sciences, tehran erfan ghasemi department of biostatistics, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran farid zayeri proteomics research center, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran saeed asgary iranian center of endodontic research, dental research center, shahid beheshti university of medical sciences, tehran mahshid namdari department of biostatistics, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran

in interventional or observational longitudinal studies, the issue of missing values is one of the main concepts that should be investigated. the researcher's main concerns are the impact of missing data on the final results of the study and the appropriate methods that missing values should be handled. regarding the role and the scale of the variable that missing values have been occurred and ...

Journal: :Proceedings of the Royal Society B: Biological Sciences 2013

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