Chickpea (Cicer arietinum L.) is a native crop of Asia which is grown worldwide including Iran.In this study,different selection criteria including correlation,regression and path analysis were used to improve yield.The experimental design was split plot with RCBD replicated four times in which three sowing dates (5 January,4 February,and 5 March) were used in main plots and four genotypes;two ...

In this tutorial article, the concepts of correlation and regression are reviewed and demonstrated. The authors review and compare two correlation coefficients, the Pearson correlation coefficient and the Spearman rho, for measuring linear and nonlinear relationships between two continuous variables. In the case of measuring the linear relationship between a predictor and an outcome variable, s...

Many people who do data analysis take only a few classes in statistics and hence, in general, get introduced only to classical methods of statistics; i.e., least squares, normal theory, and possibly maximum likelihood methods. The motivation for most of these techniques is the maximizing of a function of the data with respect to some parameter—mean, variance, slope, e.g. Calculus is used by tak...

Abstract Given ever-increasing private transportation ownership, a rising population, and unceasing mobility, it is crucial to ensure the usage improvement of public services. Therefore, important review understand relationships between variables affecting ridership boost them. This paper acts as preliminary data analysis in which correlation multiple linear regression (MLR) analyses were const...

background: the oncologic behavior of mucinous adenocarcinoma (ma) of colorectal differs from non-mucinous adenocarcinoma (nma). ma is more advanced at diagnosis and has a poorer prognosis than nma. we aimed to evaluate prognostic factors and survival rate in patients with ma compared with nma in western iran. methods: during 2008-2015 in a retrospective study, 83 patients with crc referred to ...