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Tuesday, March 27, 2012

R-Script to Aggregate (ETL to MySQL) Actual data with Base-line data for IT-Control Charts

At my previous post (R-script to plot IT-Control Chart against MySQL) the task was given to write a R-script to pre-process (ETL) the raw date-hour stamped data to the DATA-cubical format for Control Charting.

Here is the solution:
I have just transformed the already developed SQL script to the RODBC based R-Script which can be seen below:

The result of the script run is the "ActualVsHistorical" table in the servermentrics database on MySQL with the following data that is identical with the data used for plotting IT-Control Chart published in the previous post. The data itself can be seen by just typing the data frame name in the R-Console window:

So, all main elements of SEDS-lite project were prototyped and published on my posts. Maybe one more task is left, which is to illustrate on R how the exceptional (based on EV meta-metric filtering)  list of objects (servers) can be created as a part of anomalies detection. So far that was done and published in this blog and so far it is only in the "DB2"-like SQL format to run within BIRT. See the post about that here: UCL=LCL : How many standard deviations do we use for Control Charting? Use ZERO!



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