نتایج جستجو برای: pabon lasso model

تعداد نتایج: 2106796  

ژورنال: بهداشت و توسعه 2012
روح الامینی, آزاده, نکویی مقدم, محمود, هوشیار, پروین, یزدی فیض آبادی, وحید,

چکیده مقدمه: یکی از روش‌های ارزیابی عملکرد بیمارستان‌ها و مقایسه آن‌ها با یکدیگر، کنترل آماری است و یکی از فنون مورد استفاده در این راستا، نمودار پابون لاسو (Pabon Lasso) می‌باشد. هدف از پژوهش حاضر، مقایسه عملکرد بیمارستان‌های آموزشی دانشگاه‌های کرمان و شیراز با استفاده از نمودار پابون لاسو بود. روش‌ها: این مطالعه توصیفی به صورت مقطعی در سال 1386 انجام گرفت. هشت بیمارستان آموزشی دانشگاه‌ه...

Journal: :Verimlilik dergisi 2022

Amaç: Bu araştırmada, Akdeniz Bölgesi’nde faaliyet gösteren Sağlık Bakanlığı’na bağlı kamu hastanelerinin göreceli teknik etkinlik düzeylerinin ölçülmesi amaçlanmaktadır. Yöntem: Araştırmada, hastanelerin performanslarının belirlenmesinde Veri zarflama Analizi (VZA), Analitik Hiyararşi Prosesi (AHP) ve Pabon Lasso Modeli (PLM) kullanılmıştır. İlk olarak ağırlık kısıtlaması olmadan VZA analizi, ...

Abbas Bahrampour, Abolfazl Hosseinnataj Farzaneh Zolala, Fereshteh Mazidi Sharaf Abadi Mehdi Torabi, Mohammadreza Baneshi, Roya Nikbakht,

Background: Two main issues that challenge model building are number of Events Per Variable and multicollinearity among exploratory variables. Our aim is to review statistical methods that tackle these issues with emphasize on penalized Lasso regression model.  The present study aimed to explain problems of traditional regressions due to small sample size and m...

ژورنال: مدیریت سلامت 1997
تورانی, سوگند,

The present study is the result of a comprehensive and continuous study for assessing the performance indexes in public-educational hospitals of Iran University of Medical Sciences. Considering disclosed standards of Ministry of health and medical education, five public-educational hospitals in a descriptive-analytical cross-sectional study have been investigated with a comparative perspective,...

Ali Mohammad Mosadeghrad, Behzad Kalantari, Ghasem Janbabai, Hamed Dehnavi, Mahnaz Afshari,

Background: Hospital accreditation is a systematic external evaluation of a hospital's structures, processes, and outcomes by an independent professional accreditation body using published optimum, evidence‐based, and achievable standards. Accreditation is a strategy for ensuring the quality, safety, and productivity of hospital services. Implementing accreditation standards imposes a high cost...

Journal: :Journal of Computational and Graphical Statistics 2016

2012
Wei Qian Yuhong Yang

The adaptive lasso is a model selection method shown to be both consistent in variable selection and asymptotically normal in coefficient estimation. The actual variable selection performance of the adaptive lasso depends on the weight used. It turns out that the weight assignment using the OLS estimate (OLS-adaptive lasso) can result in very poor performance when collinearity of the model matr...

Journal: :BMJ quality & safety 2017
Venanzio Vella Paul P Aylin Luke Moore Alice King Nichola R Naylor Gabriel J C Birgand Hannah Lishman Alison Holmes

BACKGROUND The study aimed to identify thresholds for hospital bed utilisation which are independently associated with significantly higher risks for Clostridium difficile infections (CDI) in acute hospitals in England. METHOD A retrospective analysis was carried out on reported data from the English National Health Service (NHS) for the financial year 2013/2014. Reported rates of CDI were us...

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