BlueSky Statistics vs PAST

BlueSky Statistics is a data management and analysis application for statistics, machine learning, visualization, quality and process engineering, and Six Sigma work. It runs on macOS and Windows and supports desktop deployment. Analysts can import Excel, CSV, and other files or paste spreadsheet data into its grid. Analysis options include descriptive and inferential statistics, regression, advanced modeling, survival and longitudinal analysis, power analysis, and design of experiments. Quality workflows include measurement system analysis, gage R&R, process capability, SPC charts, tolerance intervals, and reliability analysis. The application is built around R and Python and includes an R editor for custom scripts. Its machine-learning offering lists more than 50 algorithms across traditional and deep-learning model families. Tables and graphs can be copied to Word, Excel, and PowerPoint; output can be saved in BlueSky format, HTML, R Markdown, or LaTeX. Base is free forever. Pro costs $495 a year and adds a commercial license, priority technical support, premium modules, productivity features, and reproducibility features.

PAST is free desktop software for statistical analysis, available on Windows and macOS. It provides spreadsheet-style data entry, univariate and multivariate statistics, and graphical analysis. The software includes statistical tests, regression models, and scripting support. Data import covers Excel, NEXUS, TPS, NTSYS, FASTA, PHYLIP, Arlequin, BioGraph, RASC, CONOP, and tab-separated text, giving users several ways to bring existing datasets into the application. PAST is offered under a Free plan listed at free, with no separate paid plan listed. Its deployment is desktop rather than web-based. The maker is PAST, associated with Oslo, Norway, and the software was founded in 1999. The combination of spreadsheet entry, statistical methods, scripting, and broad import-format support makes it suited to users who need local analysis of data from varied sources.