Carry on work in software development of data regression and engineering computation category.

承接数据回归类和工程计算类软件的编制。

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The software can be used for not only petrophysical data regression analysis, but also logging data regression analysis.

该软件不仅可用于岩电实验数据回归分析，而且还可用于测井数据的回归分析。

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Through measurement and data regression analysis at Shuibuya Hydraulic Project, the characteristics of stress field in complex rock mass are also revealed.

通过对水布垭枢纽工程的地应力测试成果和地应力场反分析成果的综合研究，展示了复杂岩体中的应力分布特征。

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An R2 near 1 indicates that a regression line fits the data well, while an R2 close to 0 indicates a regression line does not fit the data very well.

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Using such intervals communicates the uncertainty within the model introduced by the scatter of the data instead of using the regression line that makes the relationship appear far more deterministic than it really is.

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Important cases where the computational definition of R2 can yield negative values, depending on the definition used, arise where the predictions which are being compared to the corresponding outcomes have not been derived from a model-fitting procedure using those data, and where linear regression is conducted without including an intercept.

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