See one more R-script (to prepare data for MASF Control Chart) in my other
blog post:
http://itrubin.blogspot.com/2012/03/r-script-to-aggregate-etl-to-mysql.html
R-Script to Aggregate (ETL to MySQL) Actual data with Base-line data for
IT-Control Charts
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My favorite Control chart is based on MASF - Multivariate Adaptive
Statistical Filtering and it is called IT-Control Charts (good to use
against date-time stamped data like System performance metrics. And that
is actually based on moving range that MASF calls as a reference set.
I have recent
This regards an old post that posed the question:
Tom Hodgess wrote:
"The problem is the (apparent?) inability to produce moving range
process behavior (a.k.a. "control") charts with individuals data in the
package "qcc" (v. 2.0). I have also struggled with the same limitation
in package "IQCC" (
Tom Hopper wrote:
>The problem is the (apparent?) inability to produce moving range process
>behavior (a.k.a. "control") charts with individuals data in the package
>"qcc" (v. 2.0). I have also struggled with the same limitation in package
>"IQCC" (v. 1.0).
The
moving range chart has the same
I have been having the same problem as poster Hodgess, below. It appears
that her question was never answered, so I would like to share a solution
with the community.
The problem is the (apparent?) inability to produce moving range process
behavior (a.k.a. "control") charts with individuals data i
Dear R People:
I am using qcc for a quality control class.
I have used qcc with type "xbar.one" for individuals but cannot
determine how to plot a moving range control chart.
Has anyone done that, please?
Thanks,
Erin
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Erin Hodgess
Associate Professor
Department of Computer and Mathematica
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