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Statistical Analysis of Balloon Logging Time and Motion Data (Classic Reprint) - Softcover

Hartsog, William S.

 
9781390408935: Statistical Analysis of Balloon Logging Time and Motion Data (Classic Reprint)

Inhaltsangabe

Excerpt from Statistical ysis of Balloon Logging Time and Motion Data<br/><br/>Time and motion studies were conducted on an experimental balloon logging show in the Idaho batholith during 1973. The objective of the study was to determine the variables affecting production and to develop models for estimating production rates. A data collection technique and a method of statistical ysis are presented for others involved in yzing balloon logging operations. Selected variables were divided into three classes: those involving the time required for each portion of the logging cycle (dependent variables), factors directly related to the yarding operation (independent variables), and coded independent variables (such as surface type and condition, operator skill, and landing size). Variables were then partitioned into four groups so that easy comparisons could be made between predictive models. A statistical program was used to determine and quantify the most important vari ables for each model. The resulting regression equations serve as limited guidelines for predicting time requirements for the various portions of the balloon logging cycle and identify factors that have a significant influence on this cycle.

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