分层聚类

The Techstat module within the Techlog wellbore software platform allows you to comprehensively review your well data.

• 找出井间的相似之处.
• 将油井组合在一起.
• Align data responses using sophisticated Gaussian analysis, group-by-group among wells.
• 在树形图中显示结果.

决策树

When inputs comprise mixed or incomplete variables (qualitative and quantitative), 可以使用功能强大的分类器. 输入可以根据它们的信息增益进行排序, while deduced rules help you understand the input data.

回归

The Teschstat module enables a variety of regressions:

• Linear (RMA, Major Axis, x/y, and y/x), nonlinear, and polynomial algorithms are available.
• Regression and other fit lines and functions may be created and conditioned on filters, 分带, 逐井, 或多层.
• Fit lines may be calculated for user-defined subsets of data using the data selection tools and the interactivity between viewers.
• 回归 can be freely calculated or forced through a fixed point on a plot.
• User-defined equations can be input graphically or by keyboard entry.

因子分析

• Principal component analysis (PCA)—summarizes data, separating the dominating features in the dataset.
• Linear discriminant analysis (LDA)—determines the best projection space to discriminate between two or more naturally occurring groups and clarifies subsequent cluster analysis.
• Multiple correspondence analysis (MCA)—compares qualitative variables that may either be of similar type (observed versus predicted curves) or dissimilar type (geology versus petrophysics).

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