نتایج جستجو برای: categorical data jel classification r2

تعداد نتایج: 2787859  

Journal: :Statistical Methods in Medical Research 2012

Journal: :مجله دانشکده پزشکی دانشگاه علوم پزشکی تهران 0
سیدعلی احمدی ابهری sa abhari

documented war experiences have provided early descriptions of different group of psychiatric features. a combat soldier with palpitation and chest pains was felt to have a functional cardiac disturbance, called soldier's heart. anxiety and other symptoms indicating increased arousal were called shell shock and were thought to be related to lesions in the central nervous system (cns). desc...

Journal: :JORS 2003
Antonella Basso Stefania Funari

The ethical constraints forced on an investment fund satisfy the fulfilment of humanitarian aims but may lower the investment profitability. Hence, when we measure the performance of ethical mutual funds we cannot disregard the ethical component. In this contribution we propose a performance indicator which considers the expected return, the investment risk, the ethical component and the subscr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده اقتصاد 1391

چکیده: موضوع توزیع درآمد عواملی و تاثیر آن بر نابرابری، در ادبیات کلاسیک اقتصادی از ارکان اصلی مطالعات بوده است. اما با تکیه اقتصاددانان قرن بیستم اعم از کینزی ها و نئوکلاسیک ها بر ثبات سهم عوامل این بحث از رونق می افتد. در نهایت پساکینزی ها ضمن قبول امکان تغییر در سهم عوامل، ارتباط توزیع درآمد شخصی و عواملی را رد می کنند. نوشته ی حاضر با احتساب کارگران غیر ماهر در معادلات بازار کار، با رد نظ...

Journal: :Journal of abnormal child psychology 2011
Kate E Walton Johan Ormel Robert F Krueger

Researchers have recognized the importance of developing an accurate classification system for externalizing disorders, though much of this work has been framed by a priori preferences for categorical vs. dimensional constructs. Newer statistical technologies now allow categorical and dimensional models of psychopathology to be compared empirically. In this study, we directly compared the fit o...

2016
Andrés Carvajal

Finite sets of market data may not suffice to determine Pareto-improving policies. © 2007 Elsevier B.V. All rights reserved. JEL Classification: D50; D60

Journal: :International Journal of Data Mining & Knowledge Management Process 2012

2002

The dataset you’ll examine is from a study by the California Department of Corrections (CDC) on the effectiveness of prisoner placement, and the likelihood of misconduct while incarcerated. Upon admission to a California prison, an inmate is given a questionnaire. The score on this questionnaire determines which level of security (Level I is the lightest security, Level IV the heaviest) to whic...

2016
Ying Wen Jun Wang Tianyao Chen Weinan Zhang

This paper presents a method of learning distributed representation for multi-field categorical data, which is a common data format with various applications such as recommender systems, social link prediction, and computational advertising. The success of non-linear models, e.g., factorisation machines, boosted trees, has proved the potential of exploring the interactions among inter-field cat...

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