نتایج جستجو برای: multi linear regression mlr

تعداد نتایج: 1163777  

The 17β-HSD3 enzyme plays a key role in treatment of prostate cancer and small inhibitorscan be used to efficiently target it. In the present study, the multiple linear regression (MLR),and support vector machine (SVM) methods were used to interpret the chemical structuralfunctionality against the inhibition activity of some 17β-HSD3inhibitors. Chemical structuralinformation were described thro...

2006

1. Methods to be considered for multivariate calibration Many methods for multivariate calibration have been proposed. It turns out that many of the methods perform similarly. To avoid confusion due to use of many different methods, it is suggested that only the following should be considered: Multiple linear regression (MLR) Principal component regression (PCR) Partial least squares (PLS) Neur...

2002
Bernard Zenko Saso Dzeroski

We propose a new set of meta-level features to be used for learning how to combine classifier predictions with stacking. This set includes the probability distributions predicted by the base-level classifiers and a combination of these with the certainty of the predictions. We use these features in conjunction with multi-response linear regression (MLR) at the meta-level. We empirically evaluat...

2007
Roman M. Balabin Ravilya Z. Safieva Ekaterina I. Lomakina

Six popular approaches of «NIR spectrum–property» calibration model building are compared in this work on the basis of a gasoline spectral data. These approaches are: multiple linear regression (MLR), principal component regression (PCR), linear partial least squares regression (PLS), polynomial partial least squares regression (Poly-PLS), spline partial least squares regression (Spline-PLS) an...

ژورنال: پژوهشنامه مالیات 2019
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Tax evasion is one of the most important problems of tax system in the most countries around the world. It covers any unlawful attempt to avoid paying taxes. In present study, the affective factors on tax evasion based on experts’ views were extracted by using Delphi method, so we identified 29 factors and finally 16 factors were extracted based on measurement ability among them. The statistica...

Journal: :International journal on cyber situational awareness 2021

The significant rise in the frequency and sophistication of cyber-attacks their diversity necessitated various researchers to develop strong effective approaches address recurring cyber threat challenges. This study evaluated performance three selected meta-learning models for optimal multi-class detection using University New South Wales 2015 Network benchmark (UNSW-NB15) Intrusion Dataset. re...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران 1381

هدف این پروژه تخمین معادلاتی برای این نوع صفحات می باشد، که ضرایب شدت تنش و تمرکز تنش و مقادیر ‏‎j-integral‎‏ و سایر پارامترهای کنترلی را بر حسب هندسه شکل بیان می کنند. این معادلات از طریق تحلیلهای ترک بوسیله نرم افزار المان محدود ‏‎ansys‎‏ و با استفاده از روش ‏‎non linear regression method‎‏ به دست آمده اند و در نهایت منجر به معادلاتی می شوند که با داشتن ضریب تمرکز تنش (از یک تحلیل الاستیک ساد...

F. Khademi , K. Behfarnia,

In the present study, two different data-driven models, artificial neural network (ANN) and multiple linear regression (MLR) models, have been developed to predict the 28 days compressive strength of concrete. Seven different parameters namely 3/4 mm sand, 3/8 mm sand, cement content, gravel, maximums size of aggregate, fineness modulus, and water-cement ratio were considered as input variables...

2014
Ruilan Dong Guangyong Zhao

The objectives of this trial were to develop multiple linear regression (MLR) models and three-layer Levenberg-Marquardt back propagation (BP3) neural network models using the Cornell Net Carbohydrate and Protein System (CNCPS) carbohydrate fractions as dietary variables for predicting in vitro rumen volatile fatty acid (VFA) production and further compare MLR and BP3 models. Two datasets were ...

Background and Objectives: Considering the importance of safety evaluation of fish and seafood from capture to purchase, rapid and nondestructive methods are in urgent need for seafood industry. This study aimed to assess the application of hyperspectral imaging (HSI: 430-1010 nm) for prediction of total volatile basic nitrogen (TVB-N) in Japanese-threadfin bream (Nemipterusjaponicus) fillets, ...

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