saritha5 commited on
Commit
ef6e275
1 Parent(s): fdbed18

Update app.py

Browse files
Files changed (1) hide show
  1. app.py +106 -0
app.py CHANGED
@@ -48,6 +48,112 @@ def pw_wavy_input(n,dim,n_bkps,sigma):
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  input_list = ['piecewiseConstant','piecewiseLinear','piecewiseNormal','piecewiseSinusoidal']
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  generate_signal = st.selectbox(label = "Choose an input signal", options = input_list)
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  input_list = ['piecewiseConstant','piecewiseLinear','piecewiseNormal','piecewiseSinusoidal']
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  generate_signal = st.selectbox(label = "Choose an input signal", options = input_list)
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+ n,dim,n_bkps,sigma = st.columns(4)
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+ with n:
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+ n= st.number_input('No of Samples',min_value=100,step=1)
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+ with dim:
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+ dim = st.number_input('No of dimesions',min_value=1,max_value = 5,step=1)
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+ with n_bkps:
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+ n_bkps = st.number_input('No of breakpoints',min_value=2,step=1)
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+ with sigma:
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+ sigma = st.number_input('Variance',min_value=1,max_value=4,step=1)
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+
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+ if generate_signal == 'piecewiseConstant':
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+ signal,bkps = pw_constant_input(n,dim,n_bkps,sigma)
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+ elif generate_signal== 'piecewiseLinear':
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+ signal,bkps = pw_linear_input(n,dim,n_bkps,sigma)
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+ elif generate_signal == 'piecewiseNormal':
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+ signal,bkps = pw_normal_input(n,dim,n_bkps,sigma)
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+ else:
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+ signal,bkps= pw_wavy_input(n,dim,n_bkps,sigma)
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+
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+ fig, axarr = rpt.display(signal,bkps)
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+ st.pyplot(fig)
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+
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+ def dynp_method(signal,bkps,n_bkps):
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+ # change point detection
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+ model = "l1" # "l2", "rbf"
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+ algo = rpt.Dynp(model=model, min_size=3, jump=5).fit(signal)
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+ my_bkps = algo.predict(n_bkps)
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+ # show results
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+ fig,axarr = rpt.show.display(signal, bkps, my_bkps, figsize=(10, 6))
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+ #plt.show()
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+ st.pyplot(fig)
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+ return my_bkps
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+
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+ def pelt_method(signal,bkps,n_bkps):
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+ # change point detection
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+ model = "l1" # "l2", "rbf"
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+ algo = rpt.Pelt(model=model, min_size=3, jump=5).fit(signal)
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+ my_bkps = algo.predict(pen=3)
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+
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+ # show results
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+ fig, ax_arr = rpt.display(signal, bkps, my_bkps, figsize=(10, 6))
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+ st.pyplot(fig)
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+ return my_bkps
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+
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+
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+ def bin_seg_method(signal,bkps,n_bkps):
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+ # change point detection
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+ model = "l2" # "l1", "rbf", "linear", "normal", "ar",...
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+ algo = rpt.Binseg(model=model).fit(signal)
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+ my_bkps = algo.predict(n_bkps)
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+
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+ # show results
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+ fg,axxarr = rpt.show.display(signal, bkps, my_bkps, figsize=(10, 6))
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+ st.pyplot(fig)
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+ return my_bkps
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+
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+ def bot_up_seg(signal,bkps,n_bkps):
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+ # change point detection
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+ model = "l2" # "l1", "rbf", "linear", "normal", "ar",...
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+ algo = rpt.Binseg(model=model).fit(signal)
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+ my_bkps = algo.predict(n_bkps)
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+
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+ # show results
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+ fig,axxar = rpt.show.display(signal, bkps, my_bkps, figsize=(10, 6))
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+ st.pyplot(fig)
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+ return my_bkps
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+
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+ def win_sli_seg(signal,bkps,n_bkps):
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+ # change point detection
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+ model = "l2" # "l1", "rbf", "linear", "normal", "ar"
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+ algo = rpt.Window(width=40, model=model).fit(signal)
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+ my_bkps = algo.predict(n_bkps)
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+
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+ # show results
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+ fig,axxar= rpt.show.display(signal, bkps, my_bkps, figsize=(10, 6))
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+ st.pyplot(fig)
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+ return my_bkps
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+
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+
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+ searchmethod_list = ['Dynamic Programming','Pelt','Binary Segmentation','Bottom-up Segmentation','Window sliding segmentation']
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+ detection_model = st.selectbox(label = "Choose a Detection Method",options = searchmethod_list)
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+
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+ if detection_model== 'Dynamic Programming':
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+ bkps1 = dynp_method(signal,bkps,n_bkps)
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+
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+ elif detection_model=='Pelt':
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+ bkps1 = pelt_method(signal,bkps,n_bkps)
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+ elif detection_model=='Binary Segmentation':
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+ bkps1 = bin_seg_method(signal,bkps,n_bkps)
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+ elif detection_model=='Bottom-up Segmentation':
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+ bkps1 = bot_up_seg(signal,bkps,n_bkps)
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+ else:
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+ bkps1 = win_sli_seg(signal,bkps,n_bkps)
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+
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+ p, r = precision_recall(bkps, bkps1)
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+ st.header('Precision and Recall')
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+ st.write(p, r)
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+
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+ st.header('Hausdorff metric')
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+ st.write(hausdorff(bkps, bkps1))
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+
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+ st.header('Rand index')
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+
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+
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+ st.write(randindex(bkps, bkps1))
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+
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