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Eleviyan Irrigation Reservoir (Attributes (stored water, month, demand,…
Eleviyan Irrigation Reservoir
Datasets
Dataset 1: 21 years (Oct 1973–Sep 1994)
Dataset 2: Same dates and a Monte Carlo simulation method used
Dataset 3: 10 years of reservoir operation (Oct1997–Sep2007).
Dataset 4: Total reservoir input and output values
Training
Training = 80% of dataset
Test = 20% of Dataset
Results
Datasets 1
200 cases were used for training
52 cases were used for testing
number of errors for the 200 cases was calculated as 3 (1.5%)
A diffusion matrix was formed
Test results only 3 cases were wrongly estimated(5.8%)
Datasets 2
200 cases (months) were used for training
52 cases were used for testing
The number of errors for the 200 cases was calculated as 3 (1.5%)
test results, 3 cases were incorrectly estimated (5.8%)
When the 2 methods were compared, in 252 cases (months) a clear difference was seen in only 2 case
Datasets 3
Error rates of the rules were significantly low
results may not be applied over all dry and wet periods
errors for the 96 cases was only 1 (1%)
testing data, 24 cases were used to test the
4 rules derived from 96 training cases
3 cases (12.5%) were incorrectly estimated
Datasets 4
error rates of the rules were relatively high
results may not be applicable over all dry and wet periods
96 cases were used for training
24 cases were used for testing
number of errors in 96 cases was calculated as 21 (21.9%)
testing data, 11 of 24 cases were accurately estimated
Location
Eleviyan irrigation reservoir, Iran
data mining
techniques
decision tree
C5.0algorithm
Attributes
stored water
month
demand
inflow
annual total inflow
demand-meeting class
variationinstored water in 12 successive months
variation in stored water in successive months
Conditions
Each Dataset has different conditions
classification is: Full, High, low
Classification
of data
data preparation
selection
preprocessing
interpretation
parameters
Water stored between the current month
and the previous month and year
Inflow of the reservoir
total amount of water stored in the reservoir
Amount of water demand