Extruder


Extrusion is a process in which dough-like raw material is pushed through a machine and the machine puts out product in desired form, followed by some finishing touches. One important characteristic of an item produced is its weight. If weight is too low, product may be weak. If weight is too high, it may mean wastage of raw material. Hence a manufacturer is keen to know the relation between product weight and various parameters of manufacturing process. In a particular factory 3 parameters likely to affect weight were monitored. These were Extruder RPM, current and conveyer speed. 


datasets

Collection of datasets as prepared by Profs. A.P. Gore, S.A. Paranjape, and M.B. Kulkarni of Department of Statistics, Poona University, India. With their permission, first letter of their names forms the name of this package, the package has been built by me and made available for the benefit of R users. This collection requires a rich class of models and can be a very useful building block for a beginner.

Prabhanjan Tattar

100 Data Sets for Statistics Education

Extruder function

A data frame with 49 observations on the following 4 variables.
  <dl>
    <dt><code>WEIGHT</code></dt><dd>Weight of product</dd> <dt><code>EXTRUDER_RPM</code></dt><dd>Extruder speed \[RPM - revolutions per minute\]</dd> <dt><code>CURRENT</code></dt><dd>Current</dd> <dt><code>Conveyer_Speed</code></dt><dd>Conveyer speed</dd> </dl> 

Format

http://ces.iisc.ernet.in/hpg/nvjoshi/statspunedatabook/databook.html

Extruder: Understanding effect of manufacturing conditions on product characteristics

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