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varying no of slots.py
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varying no of slots.py
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# -*- coding: utf-8 -*-
"""
Created on Thu Feb 22 16:39:01 2018
Vary the no of slots per day and calculating its MAPE
No sharing of parameters, use actual collected data
@author: zckoh
"""
import numpy as np
import matplotlib.pyplot as plt
import itertools
from QLSEP_class import QLSEP_node,MAPE_overall
np.set_printoptions(threshold=np.nan)
"""Import data"""
tmp = []
lux_B1 = []
slot = 30
for i in range(1,21):
with open("./highly correlated data/Box 1/day%s.txt" %i , 'r') as f:
fifthlines = itertools.islice(f, 0, None, slot)
for lines in fifthlines:
tmp.append(lines)
tmp = [w.replace('\n', '') for w in tmp]
lux_B1.append([float(i) for i in tmp])
tmp = []
days = len(lux_B1)
"""Different sampling frequency"""
lux_60min = []
lux_90min = []
lux_120min = []
tmp_60 = []
tmp_90 = []
tmp_120 = []
#save for each 2,3,4 times
for x in range(len(lux_B1)):
for i in range(len(lux_B1[x])):
if(i%2==0):
tmp_60.append(lux_B1[x][i])
if(i%3==0):
tmp_90.append(lux_B1[x][i])
if(i%4==0):
tmp_120.append(lux_B1[x][i])
lux_60min.append(tmp_60)
tmp_60 = []
lux_90min.append(tmp_90)
tmp_90 = []
lux_120min.append(tmp_120)
tmp_120 = []
"""calculate EWMA + QLSEP for each total slot"""
index = 10
"""48 slots"""
node48 = QLSEP_node(0.01,0.4,3,slot,days,50)
for x in range(0,days):
for y in range(0,1440/slot):
node48.EWMA(x,y,lux_B1[x-1][y])
node48.Calculate_PER(x,y,lux_B1[x][y-1])
node48.Q_val_update(x,y)
node48.QLSEP_prediction(x,y)
"""Find MAPE(EWMA)"""
print "MAPE(%)\t N (48 slots)"
print MAPE_overall(lux_B1,node48.EWMA_val,days)
time = np.linspace(1,1440, num = 1440/slot)
plt.figure(1)
fig, ax = plt.subplots(figsize=(7,4))
ax.plot(time,lux_B1[index],'g',label = 'Actual')
ax.plot(time,node48.QLSEP_val[index],'r',label = 'QLSEP')
ax.plot(time,node48.EWMA_val[index],'b',label = 'EWMA')
legend = ax.legend(loc='upper right', shadow=True)
frame = legend.get_frame()
frame.set_facecolor('1.0')
for label in legend.get_texts():
label.set_fontsize('medium')
for label in legend.get_lines():
label.set_linewidth(1.5) # the legend line width
plt.xlabel('Time(Hour)')
plt.ylabel('Light Intensity (klux)')
plt.ylim([0,15])
plt.grid()
plt.title('Day %s (48 slots)' % str(index+1))
"""24 slots"""
node24 = QLSEP_node(0.001,0.4,3,60,days,50)
for x in range(0,days):
for y in range(0,1440/60):
node24.EWMA(x,y,lux_60min[x-1][y])
node24.Calculate_PER(x,y,lux_60min[x][y-1])
node24.Q_val_update(x,y)
node24.QLSEP_prediction(x,y)
"""Find MAPE(EWMA)"""
print "MAPE(%)\t N (24 slots)"
print MAPE_overall(lux_60min,node24.EWMA_val,days)
time = np.linspace(1,1440, num = 1440/60)
plt.figure(1)
fig, ax = plt.subplots(figsize=(7,4))
ax.plot(time,lux_60min[index],'g',label = 'Actual')
ax.plot(time,node24.QLSEP_val[index],'r',label = 'QLSEP')
ax.plot(time,node24.EWMA_val[index],'b',label = 'EWMA')
legend = ax.legend(loc='upper right', shadow=True)
frame = legend.get_frame()
frame.set_facecolor('1.0')
for label in legend.get_texts():
label.set_fontsize('medium')
for label in legend.get_lines():
label.set_linewidth(1.5) # the legend line width
plt.xlabel('Time(Hour)')
plt.ylabel('Light Intensity (klux)')
plt.ylim([0,15])
plt.grid()
plt.title('Day %s (24 slots)' % str(index+1))
"""16 slots"""
node16 = QLSEP_node(0.01,0.4,3,90,days,50)
for x in range(0,days):
for y in range(0,1440/90):
node16.EWMA(x,y,lux_90min[x-1][y])
node16.Calculate_PER(x,y,lux_90min[x][y-1])
node16.Q_val_update(x,y)
node16.QLSEP_prediction(x,y)
"""Find MAPE(EWMA)"""
print "MAPE(%)\t N (16 slots)"
print MAPE_overall(lux_90min,node16.EWMA_val,days)
time = np.linspace(1,1440, num = 1440/90)
plt.figure(1)
fig, ax = plt.subplots(figsize=(7,4))
ax.plot(time,lux_90min[index],'g',label = 'Actual')
ax.plot(time,node16.QLSEP_val[index],'r',label = 'QLSEP')
ax.plot(time,node16.EWMA_val[index],'b',label = 'EWMA')
legend = ax.legend(loc='upper right', shadow=True)
frame = legend.get_frame()
frame.set_facecolor('1.0')
for label in legend.get_texts():
label.set_fontsize('medium')
for label in legend.get_lines():
label.set_linewidth(1.5) # the legend line width
plt.xlabel('Time(Hour)')
plt.ylabel('Light Intensity (klux)')
plt.ylim([0,15])
plt.grid()
plt.title('Day %s (16 slots)' % str(index+1))
"""12 slots"""
node12 = QLSEP_node(0.01,0.4,3,120,days,50)
for x in range(0,days):
for y in range(0,1440/120):
node12.EWMA(x,y,lux_120min[x-1][y])
node12.Calculate_PER(x,y,lux_120min[x][y-1])
node12.Q_val_update(x,y)
node12.QLSEP_prediction(x,y)
"""Find MAPE(EWMA)"""
print "MAPE(%)\t N (12 slots)"
print MAPE_overall(lux_120min,node12.EWMA_val,days)
time = np.linspace(1,1440, num = 1440/120)
plt.figure(1)
fig, ax = plt.subplots(figsize=(7,4))
ax.plot(time,lux_120min[index],'g',label = 'Actual')
ax.plot(time,node12.QLSEP_val[index],'r',label = 'QLSEP')
ax.plot(time,node12.EWMA_val[index],'b',label = 'EWMA')
legend = ax.legend(loc='upper right', shadow=True)
frame = legend.get_frame()
frame.set_facecolor('1.0')
for label in legend.get_texts():
label.set_fontsize('medium')
for label in legend.get_lines():
label.set_linewidth(1.5) # the legend line width
plt.xlabel('Time(Hour)')
plt.ylabel('Light Intensity (klux)')
plt.ylim([0,15])
plt.grid()
plt.title('Day %s (12 slots)' % str(index+1))