IBM SPSS Statistics

To carry out the analysis, we used IBM SPSS Statistics 19, which contains the tool Expert Modeler to time series . Table 7 contains the proposed model for each one of the eight time series. 

For statistical analysis, SPSS (IBM SPSS Statistics 19) was used. 

MLR is a common primary tool in physical chemistry studies about properties of chemical compounds and their mixtures (Eq. 21.1) [27]. IBM SPSS Statistics has been used in order to obtain the density values of mixtures (Pp. ) from the other variables involved in this way ... 

To deal with the information provided by the questionnaires, IBM SPSS Statistics version 21.0 was used. The statistical analysis took into account the nature of the variables involved in the study, having conducted an exploratory and an analytical study of the data, resorting to the most appropriate statistical techniques. 

Data processing ras performed using the IBM SPSS Statistics software version 22.0 for Windows operating system. The verification of research hypotheses it was used the statistical t-student test for independent samples, U of Mann-Whitney and Pearson correlation coefficient The interpretation of statistical tests ras carried out using a significance level of p-value < 0.05 with a confidence interval of 95%. 

After collecting the data, the same have been worked in the software Ergofellow 3.0, Microsoft Excel and IBM SPSS statistics software SPSS version 22.0. The test applied to this study was the Fisher exact test. 

To this end, any commercially available software (e.g., SAS, NCSS, IBM SPSS Statistics, SIMCA-P) can be used to perform the analysis. It has been well recognized that use of a proper statistical analysis method is essential to improve visualization, accurate classification, and outlier estimation [27]. 

IBM SPSS is a comprehensive, easy-to-use set of data and predictive analytics tools for business users, analysts and statistical programmers [45]. Its package has a neural network toolbox which includes both Multilayer Perceptron (MLP)-type [46] as well as RBF-type [47] models. Provisions for random number generation (seed) are also provided with this software under the Transformations option. Any data set for neural network modelling purpose has to be partitioned into three partitions ... 

Statistical analysis was performed using SPSS Statistics v20 (IBM). Statistical significance was considered when p < 0.05. 

The statistical treatment of diagrams Extremes and Quartiles of the first and third round was done with the support of IBM SPSS 20 program. 

SPSS www.sas. c om/technologies/analytics/stadstics/stat/) IBM A computer program used for data mining and statistical analysis (http // www-01. ibm.com/software/ analytics/spss/)... 

In this study stage was used Microsoft Office Excel and IBM Statistical Package for the Social Sciences software (SPSS) version 20 for Windows . 

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