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Replace deprecated pkg_resources #52

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pkg_resources has been deprecated. Making use of drop-in replacement importlib.resources.

mister-scott and others added 11 commits November 2, 2023 11:59
pkg_resources has been deprecated. Making use of drop-in replacement importlib.resources
Both of the following resources state that the Variance of Operator by Part (aka Technician by Part) is equal to (MS_operator_by_part - MS_equipment) / N_replications. Previous code indicated that value was to be divided by N_parts.
Checked the maths against online resources https://www.spcforexcel.com/knowledge/measurement-systems-analysis/anova-gage-rr-part-1 and https://sixsigmastudyguide.com/repeatability-and-reproducibility-rr/. Found an with calculation of GRR wherein Operator by Part was being included.
Validated the data processing against a GageR&R study from Minitab, added summary tables for the Variance Components and Gage Evaluation, and made some simple functions to get 'so-what' data like GRR Variance and Total Variance faster. Also added  maths to handle removal of interaction terms with P-values greater than some provided amount (default 1 to effectively disable feature), and added process tolerance input to calculate the percent tolerance (%Study Variance / %Tolerance).
Enable use of hover-data feature for boxplots generated for reports.
Specified UTF-8 as encoding method for importlib calls.
Enabled ability to set range for box plots for establishing unified datasets.
A list of horizontal lines may be passed into the createPartsBoxPlot and createOperatorsBoxPlot functions to generate visible lines for use as pass/fail criteria lines, etc.
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