pySDAR

An implmenetation of the ASTM E3076-18 Standard

pySDAR version 2.0.2 now with a GUI abort feature!

pySDAR is a python implementation of the ASTM E3076-18 Standard. A graphical user interface produces a pdf and csv output file. A command line interface tool allows for users to create shell scripts to run pySDAR inline. Python is not needed as we have packaged the code as an executable with a Windows Installer.

This practice presents an automated, objective linear-fitting method for determining the slope of the linear portion of a test record. The method assumes that there is a linear region early in the test record where the value of the y variable increases roughly in proportion to the x variable and the slope of the record decreases after the linear region. The practice determines the best linear fit to the data based on the least normalized residual and provides metrics for evaluating the quality of the test record and the quality of the resultant fit.

Sponsored by Naval Nuclear Laboratory and the ASTM E3076 committee

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