q-mode hierarchical cluster (hca) and principal component analysis (pca) were simultaneously applied to groundwater hydrochemical data from the three times in 2004: june, september, and december, along the ain azel aquifer, algeria, to extract principal factors corresponding to the different sources of variation in the hydrochemistry, with the objective of defining the main controls on the h...

This paper presents an overview of the Statistical Implicative Analysis which is a data analysis method devoted to the extraction and the structuration of quasi-implications. Originally developed by Gras [11] for applications in the di-dactics of mathematics, it has considerably evolved and has been applied to a wide range of data, in particular in data mining. This paper is a synthesis which b...

1 Smith CE, Sidhu TS, Lever J, Pinchak AB. The complexity of tracheal intubation using rigid ®beroptic laryngoscopy (WuScope). Anesth Analg 1999; 89: 236±9 2 Smith CE, Boyer D. Cricoid pressure decreases ease of tracheal intubation using ®breoptic laryngoscopy (WuScope System). Can J Anaesth 2002; 49: 614±19 3 Levitan RM, Kush S, Hollander JE. Devices for dif®cult airway management in academic ...

You must bring your answers to the main questions along to your tutorial. You will need to be able to show these to your tutor, and may be exchanging them with other students, so it is best to have them printed out on paper. If you cannot do some questions, write down what it is that you find challenging and use this to ask your tutor in the meeting. Tutorials will not usually cover the Example...

This was performed with SPSS version 13.0 (SPSS Inc., Chicago, IL), two-sided, at significance level p=0.05; a statistical trend was defined as p≤0.1. The Mann-Whitney test was used to compare quantitative variables between two independent groups. Spearman correlations among continuous variables were computed. χ2-tests (Bonferroni-corrected) were applied for grouped/dichotomized variables. Surv...

Classical multivariate statistical methods concern models, distributions and inference based on the Gaussian distribution. These are the topics in the first textbook for mathematical statisticians by T.W. Anderson that was published in 1958 and that appeared as a slightly expanded 3rd edition in 2003. Matrix theory and notation is used there extensively to efficiently derive properties of the m...