Mining PI Data To Improve Profit - OSIsoft
Mining PI Data To Improve Profit - OSIsoft
Mining PI Data To Improve Profit - OSIsoft
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500<br />
400<br />
300<br />
200<br />
100<br />
A Simple Time Series Chart…<br />
0<br />
1/1/2008<br />
1/2/2008<br />
1/3/2008<br />
1/4/2008<br />
ClO2 Flow<br />
1/5/2008<br />
1/6/2008<br />
1/7/2008<br />
1/8/2008<br />
1/9/2008<br />
1/10/2008<br />
• Chart at left is a normal<br />
time series chart<br />
• In this case, the date of<br />
change is obvious, but in<br />
reality, a time series chart<br />
is not the best way to<br />
identify changes<br />
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