Free tutorials, guides, and resources to help you excel in statistical analysis, data science, and artificial intelligence. Available in English, Romanian, and Thai.
Learn how to check normality in SPSS for your thesis using Shapiro-Wilk, Kolmogorov-Smirnov, Q-Q plots, histograms, and skewness/kurtosis. Includes interpretation rules, what to do when normality fails, and APA 7th reporting templates.
Learn how to run an independent samples t-test in SPSS for your thesis. Step-by-step guide covering assumptions, Levene's test, output interpretation, Cohen's d effect size, and APA 7th reporting templates.
Learn how to run descriptive statistics in SPSS for your thesis. Step-by-step guide covering Descriptives, Frequencies, and Explore procedures with interpretation, skewness/kurtosis assessment, and APA 7th reporting templates.
Learn multiple linear regression in Excel for your thesis. Step-by-step guide covering Analysis ToolPak, multicollinearity detection, adjusted R², and APA 7th edition reporting.
Learn how to calculate simple linear regression in Excel for your thesis. Complete step-by-step guide covering Analysis ToolPak, assumption checking, result interpretation, and APA 7th edition reporting with real dissertation examples.
Learn how to create frequency tables in Excel for survey data. Complete guide covering COUNTIF, Pivot Tables, and FREQUENCY function with step-by-step instructions for thesis research and APA reporting.
Learn how to handle missing data in Excel survey analysis for your thesis. Step-by-step guide to listwise deletion, mean imputation, and reporting missing data in APA format with decision framework.
Learn how to calculate Cohen's d and eta squared effect sizes in Excel for your dissertation. Step-by-step guide with formulas, interpretation guidelines, and APA reporting examples for t-tests and ANOVA.
Learn how to report descriptive statistics in APA 7th edition format using Excel. Step-by-step guide for thesis students with table templates, examples, and formatting rules for means, standard deviations, and frequencies.
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