نتایج جستجو برای: partial least square pls

تعداد نتایج: 713293  

2015

A Developing Model of Relationship Among Service Quality, Consumer Satisfaction, Loyalty, and Word of Mouth in Islamic Banking. This research aims to develop a measurement tool of service quality in Islamic banking sector, and examine its relationship among satisfaction, word of mouth (WOM), and consumer loyalty. A convenience sampling of 235 respondents collected from seven locations in the Lh...

Journal: :Journal of agricultural and food chemistry 2006
Yande Liu Yibin Ying Haiyan Yu Xiaping Fu

A rapid quantification method was developed and validated for simultaneous and nondestructive quantifying the constituent sugar concentrations of intact apples using Fourier transform near-infrared (FT-NIR) spectroscopy in diffuse reflectance mode. Multiplicative scatter correction (MSC), the second derivative of Savitsky-Golay, and mean centering were used as spectral preprocessing options. Ca...

1999
Wonsuk Lee Stephen W. Searcy Takashi Kataoka

Nitrogen (N) is an essential element for crop growth and its accurate assessment in plants is a key to nutrient management. This research was conducted to explore the feasibility of using spectral reflectance to predict nitrogen content in corn plant varieties with varying color. A problem identified by previous researchers is the variability of spectral responses from varieties with different ...

Journal: :BMC Medical Research Methodology 2008
Linda Wittkop Daniel Commenges Isabelle Pellegrin Dominique Breilh Didier Neau Denis Lacoste Jean-Luc Pellegrin Geneviève Chêne François Dabis Rodolphe Thiébaut

BACKGROUND Principal component analysis (PCA) and partial least square (PLS) regression may be useful to summarize the HIV genotypic information. Without pre-selection each mutation presented in at least one patient is considered with a different weight. We compared these two strategies with the construction of a usual genotypic score. METHODS We used data from the ANRS-CO3 Aquitaine Cohort Z...

Journal: :iranian journal of pharmaceutical research 0
rezvan zendehdel department of occupational hygiene, school of public health, shahid beheshti university of medical sciences, tehran, iran soheila khodakarim department of epidemiology, school of public health, shahid beheshti university of medical sciences, tehran, iran farshad hosseini shirazi cpharmaceutical sciences research center, shahid beheshti university of medical sciences, tehran, iran department of toxicology and pharmacology, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran

toxicity bioassays are important tools to determine biological effects of chemical agents on species. the questions remained on, what effects have been imposed on each of the different molecular site of cells by chemical exposure and how to find a pattern for chemical toxicity. to address the questions, hepg2 cell lines were exposed to the different concentrations of cisplatin for 24 hours to r...

Journal: :Journal of pharmaceutical and biomedical analysis 2011
Rahul V Haware Patrick R Wright Kenneth R Morris Mazen L Hamad

Fusing complex data from two disparate sources has been demonstrated to improve the accuracy in quantifying active ingredients in mixtures of pharmaceutical powders. A four-component simplex-centroid design was used to prepare blended powder mixtures of acetaminophen, caffeine, aspirin and ibuprofen. The blends were analyzed by Fourier transform infra-red spectroscopy (FTIR) and powder X-ray di...

Journal: :Environmental monitoring and assessment 2016
A M Stellacci A Castrignanò A Troccoli B Basso G Buttafuoco

Hyperspectral data can provide prediction of physical and chemical vegetation properties, but data handling, analysis, and interpretation still limit their use. In this study, different methods for selecting variables were compared for the analysis of on-the-ground hyperspectral signatures of wheat grown under a wide range of nitrogen supplies. Spectral signatures were recorded at the end of st...

Amir H.M. Sarrafi, Assieh Z. Mousavi Manochehr Bahmaei

The multivariate calibration method, partial least square regression (PLS) was applied for thesimultaneous spectrophotometric determination of Lidocaine (LID) and Hydrocortisone acetate(HCA) in their mixtures. The parameters of chemometric technique were optimized and theproposed method was validated with synthetic samples and applied to analyze these drugs inpharmaceutical products with good a...

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