نتایج جستجو برای: MLR method

تعداد نتایج: 1632131  

1991
David B. Lomet

The Cambridge laboratory became operational in 1988 and is located at One Kendall Square, near MIT. CRL engages in computing research to extend the state of the computing art in areas likely to be important to Digital and its customers in future years. CRL's main focus is applications technology; that is, the creation of knowledge and tools useful for the preparation of important classes of app...

Journal: :iranian chemical communication 0
mehdi nekoei department of chemistry, shahrood branch, islamic azad university, shahrood, iran

in this paper, the quantitative structure activity-relationship (qsar) of the ccr2b receptor inhibitors was scrutinized. firstly, the molecular descriptors were calculated using the dragon package. then, the stepwise multiple linear regressions (sw-mlr) and the genetic algorithm multiple linear regressions (ga-mlr) variable selection methods were subsequently employed to select and implement th...

In this paper, the quantitative structure activity-relationship (QSAR) of the CCR2b receptor inhibitors was scrutinized. Firstly, the molecular descriptors were calculated using the Dragon package. Then, the stepwise multiple linear regressions (SW-MLR) and the genetic algorithm multiple linear regressions (GA-MLR) variable selection methods were subsequently employed to select and implement th...

Journal: :Journal of chemical information and modeling 2008
Dmitry A. Konovalov Nigel Sim Eric Deconinck Yvan Vander Heyden Danny Coomans

A new variable selection wrapper method named the Monte Carlo variable selection (MCVS) method was developed utilizing the framework of the Monte Carlo cross-validation (MCCV) approach. The MCVS method reports the variable selection results in the most conventional and common measure of statistical hypothesis testing, the P-values, thus allowing for a clear and simple statistical interpretation...

2017
Jiangdong Xiang Lina Zhou Xing Li Wei Bao Taizhong Chen Xiaowei Xi Yinyan He Xiaoping Wan

PURPOSE The monocyte-to-lymphocyte ratio (MLR) has been shown to be associated with the prognosis of various solid tumors. This study sought to evaluate the important value of the MLR in ovarian cancer patients. METHODS A total of 133 ovarian cancer patients and 43 normal controls were retrospectively reviewed. The patients' demographics were analyzed along with clinical and pathologic data. ...

2015
LONG JIAO XIAOFEI WANG SHAN BING ZHIWEI XUE HUA LI

The quantitative structure property relationship (QSPR) for supercooled liquid vapour pressures (pL) of polybrominated diphenyl ethers (PBDEs) was investigated. The molecular distance–edge vector (MDEV) index was used as the structural descriptor. The quantitative relationship between the MDEV index and log pL was modelled by multivariate linear regression (MLR) and an artificial neural network...

2012
Siavoush Dastmalchi Maryam Hamzeh-Mivehroud Karim Asadpour-Zeynali

Histamine H3 receptor subtype has been the target of several recent drug development programs. Quantitative structure-activity relationship (QSAR) methods are used to predict the pharmaceutically relevant properties of drug candidates whenever it is applicable. The aim of this study was to compare the predictive powers of three different QSAR techniques, namely, multiple linear regression (MLR)...

2017
Li Chen Ying Hao Lihua Zhu Sen Li Yanjiao Zuo Yuxin Zhang Hongjiang Song Yingwei Xue

BACKGROUND Currently, precise predictors in gastric cancer patients undergoing neoadjuvant chemotherapy are lacking. The study aims to investigate the prognostic value of the monocyte to lymphocyte ratio (MLR) in patients with advanced gastric cancer receiving S-1 plus oxaliplatin (SOX) or oxaliplatin and capecitabine (XELOX) neoadjuvant chemotherapy regimen. METHODS The data from Harbin Medi...

Journal: :the iranian journal of pharmaceutical research 0
siavoush dastmalchi department of medicinal chemistry, school of pharmacy, tabriz university of medical sciences, tabriz, iran. biotechnology research center, tabriz university of medical sciences, tabriz, iran. maryam hamzeh-mivehroud department of medicinal chemistry, school of pharmacy, tabriz university of medical sciences, tabriz, iran. biotechnology research center, tabriz university of medical sciences, tabriz, iran. karim asadpour-zeynali department of analytical chemistry, faculty of chemistry, university of tabriz, tabriz, iran.

histamine h3 receptor subtype has been the target of several recent drug development programs. quantitative structure-activity relationship (qsar) methods are used to predict the pharmaceutically relevant properties of drug candidates whenever it is applicable. the aim of this study was to compare the predictive powers of three different qsar techniques, namely, multiple linear regression (mlr)...

1996
Fredrik Gustafsson

The generalized likelihood ratio (GLR) test is a widely used method for detecting abrupt changes in linear systems and signals. In this paper the marginalized likelihood ratio (MLR) test is introduced for eliminating three shortcomings of GLR, while preserving its applicability and generality. Firstly, the need for a user-chosen threshold is eliminated in MLR. Secondly, the noise levels need no...

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