Classification and Decision Trees Sample Clauses

Classification and Decision Trees. In data classification the goal is to build or find a model in order to predict the category of data based on some predictor variables. The model is usually built using heuristics (e.g., entropy) or some kind of supervised learning algorithm. Probably the most popular form for a classification model is the decision tree. Decision tree constructing algorithms for data classification such as ID3 [86], C4.5 [87] and CART [14] are all loosely based on a common principle: divide-and-conquer [87]. The algorithms attempt to divide a training set T into multiple (disjoint) subsets such that each subset Ti belongs to a single target class. Since finding the smallest decision tree consistent with a specific training set is NP-complete [58], machine learning algorithms for constructing decision trees tend to be non-backtracking and greedy in nature. As a result they are relatively fast but depend heavily on the way the data set is divided into subsets. Algorithms like ID3 and C4.5 proceed in a recursive manner. First an attribute A is selected for the root node and each of the branches to the child nodes corresponds with a possible value or range of values for this attribute. In this way the data set is split up into subsets according to the values of attribute A. This process is repeated recursively for each of the
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Related to Classification and Decision Trees

  • Classification Appeal Procedure An employee shall have the right to appeal, through the Union, the classification of the position the employee occupies, or where a point rating plan has been used, the right to appeal the position's level. Classification matters are not grievable under Article 8 of this Agreement. Instead, the following procedures shall be followed.

  • New or Revised Classifications The Employer shall provide at least twenty-five (25) days' notice and will meet and confer with the Union over any new or revised classification specification, if requested by the Union. The Union may propose alternatives to the Employer proposed changes during the twenty-five day period. The Employer shall negotiate with the Union on other classification issues as required by State personnel law.

  • Review by the Association of Procurement Decisions The Procurement Plan shall set forth those contracts which shall be subject to the Association’s Prior Review. All other contracts shall be subject to Post Review by the Association.

  • Impartial Decisions The Design Professional is the interpreter of the conditions of the Construction Contract and the judge of its performance, in the first instance. The Design Professional shall side neither with the Owner nor with the Contractor, but shall use its powers to enforce performance by both.

  • New Job Classifications 11.1 Whenever the Company determines it appropriate to create a new job classification in the bargaining unit, it shall proceed as follows.

  • JOB CLASSIFICATION AND RECLASSIFICATION 26.01 In order to ensure the appropriate classification of jobs listed under Schedule "A" of the collective agreement, the Parties agree that matters related to the classification of new or existing jobs shall be dealt with in accordance with the Joint Job Evaluation Manual of Procedures forming part of this collective agreement. (Appendix "B").

  • Additional Wet Weather Procedure 14.15.1 Remaining On Site Where, because of wet weather, the employees are prevented from working:

  • Final Decisions The Contracting Officer will issue a final decision as required by 33.211 if—

  • Reclassification Procedure a. A completed Position Description Form and written explanation for a proposed reclassification request shall be submitted to the Agency Personnel Office.

  • Classification Changes When the University determines that a revision of a class specification for positions covered by this agreement is needed, and such revision affects the collective bargaining unit designation, the University shall notify AFSCME in writing of the proposed change. AFSCME shall notify the University, in writing, within fifteen (15) days of receipt of the proposed changes, of any comments it has concerning the proposed changes or of its desire to discuss the proposed changes.

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