This paper selects listed futures commodity index data, standardized processing, using SPSS software for longitudinal clustering. Research results show that, using this rational investment analysis method can help investors to accurately understand and grasp the future overall characteristics, reduce the investment risk.

Materials and Methods: Fifty women having migraine without aura were matched with healthy controls (n=6) with the same age distribution. Fasting serum vitamin B12, folate, plasma total homocysteine (tHcy) and first morning urine methylmalonic acid (MMA) levels were determined in patient and control groups. Statistical differences in laboratory parameters between patient and control groups were ...

Material and Method: This retrospective review was undertaken in the Department of obstetrics and Gynecology Unit III of Civil Hospital Karachi from July 2002 to December 2007. Data regarding frequency of hysterectomy, maternal age, parity, causes of hemorrhage, type of hysterectomy and its complications, was retrieved from yearly maintained Registers / proformas of obstetrical hysterectomy and...

When we deal with a large data set with missing data, we have to undertake two important tasks. First, it is important to inspect the pattern of missingness. This can provide very practical information. For instance, we may find that most of the missing values concern only one specific variable. If this variable is not central to our analysis problem, we may delete it from our analysis, rather ...

Pavement rehabilitation could affect the accident severity index (ASI) since restoration measures means more safety for road users. No research or project has been carried out to identify hazard points to build a linear model based on crash severity index. One of the very popular accident severity index models used in all countries is based on linear models to rehabilitate pavements and this pa...

This article provides a comprehensive overview of the most commonly used parametric tests, such as one sample t-test, dependent samples independent analysis variance, and covariance. A test is statistical that assumes data being analyzed follows certain probability distribution, typically normal distribution. procedure in to make inferences about population based on data. It covers basics analy...