n4Studies Plus vs SAPO

Ease to calculate the sample size with n4Studies Plus. n4Studies Plus makes it easy to calculate the sample size and the power of a study in various study designs. It comes with ABSOLUTELY NO WARRANTY. However, It can be helped to learn and find the ways to calculate the sample size and power of the study in minutes. Key features: • Calculate the sample size for simple and multiple linear regression, logistic regression • Calculate the sample size for survival analysis e.g. compare 2 survival curves, compare for equality between 2 hazard rates etc. • Calculate the sample size for diagnostic study, cross-over study • Calculate the sample size for estimating an infinite population mean, finite population mean, infinite population proportion and finite population proportion • Calculate the sample size for comparing two population means and two population proportions • Calculate the sample size for the Case-Control for study, Matched Case-Control study, Cohort study, Randomized Controlled Trial, Non-inferiority trial and Equivalence trial • Calculate the power of a study for comparing two population means and two population proportions • Calculate the power of a study for the Case-Control for study, Matched Case-Control study, Cohort study, Randomized Controlled Trial, Non-inferiority trial and Equivalence trial • Sample size and power calculations for measures of Agreement (both Kappa statistic and Intraclass correlation coefficients) • You can send a output via Email to your colleagues

SAPO is a powerful statistical calculator and data analysis software designed for researchers, students, and professionals. It provides comprehensive tools for statistical testing, modeling, data visualization, and research planning — all within an intuitive and efficient interface. In addition to its advanced statistical engine, SAPO includes an integrated AI assistant to guide you through test selection, model choice, and interpretation when needed. All results generated with SAPO are suitable for publication in scientific articles, and a dedicated section explains how to correctly report and cite your analyses. Key Features: • Statistical Test Guidance: Receive structured recommendations for tests such as T-test, ANOVA, Mann-Whitney, Chi-square, correlation tests, and more. • Modeling Tools: Apply linear regression, logistic regression, Poisson regression, mixed models, survival analysis, and other advanced statistical models. • Integrated AI Assistant: Get additional guidance and support for statistical decisions and interpretation. • Built-in Statistical Calculator: Perform accurate statistical computations quickly and efficiently. • Database Manager: Import datasets, conduct descriptive statistics, and apply tests directly to your own data. • Sample Size Calculator: Calculate appropriate sample sizes for research studies and experiments. • Automatic PDF Reports: Generate professional, publication-ready statistical reports with tables and visualizations. • Data Visualization: Create high-quality graphs for analysis and presentation. • Theory and Examples: Learn and reinforce statistical concepts with clear explanations and practical cases. SAPO combines robust statistical analysis software with intelligent assistance, making it ideal for academic research, thesis projects, clinical studies, and professional data analysis. Turn statistics into your best ally. By using this app, you agree to our Terms of Service: https://www.maximaformacion.es/sapo-terms-of-service/