Zeel commited on
Commit
79acf50
·
1 Parent(s): d14aa55

Update app.py

Browse files
Files changed (1) hide show
  1. app.py +25 -29
app.py CHANGED
@@ -13,43 +13,39 @@ alpha = st.slider('Alpha', 0.5, 5.0, 0.5)
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  beta = st.slider('Beta', 0.5, 5.0, 0.5)
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  theta = np.linspace(0.01,0.99,100)
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- rc('font', size=20)
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  # rc('text', usetex=True)
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- fig, ax = plt.subplots(figsize=(12,6))
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  axs = ax.twinx()
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  def Bernoulli(theta, N, h):
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  return (theta ** h) * ((1-theta) ** (N-h))
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- def coin_toss(N, h, alpha, beta):
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- Likelihood = [Bernoulli(t,N,h) for t in theta]
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-
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- ax.cla();axs.cla()
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- ax.plot(theta, Likelihood, label='Likelihood',color='b');
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- axs.plot(theta, scipy.stats.beta.pdf(theta, alpha,beta), label='Prior',color='k');
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- ax.set_xlabel('p(head)');
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- ax.vlines(h/N, *ax.get_ylim(), linestyle='--',label='MLE', color='b')
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- axs.text(h/N,2,'MLE', color='b')
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-
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- axs.plot(theta, [scipy.stats.beta.pdf(t, h+alpha, N-h+beta) for t in theta], color='r')
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- ax.text(theta[0], Likelihood[0],'Likelihood', color='b')
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- axs.text(theta[-5], scipy.stats.beta.pdf(theta, alpha,beta)[-5],'Prior')
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- axs.text(alpha/(alpha+beta)-0.1,1,'Prior mean')
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- axs.text(theta[0],scipy.stats.beta.pdf(theta[0], h+alpha, N-h+beta),'Posterior',color='r')
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- axs.text((h+alpha)/(N+alpha+beta)-0.1,3,'Post. Mean',color='r')
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- ax.vlines(alpha/(alpha+beta), *ax.get_ylim(), linestyle='--',label='Prior mean',color='k')
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- ax.vlines((h+alpha)/(N+alpha+beta), *ax.get_ylim(), linestyle='--',label='Post. Mean',color='r')
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- # ax.set_title(f"n_samples={int(N)}, n_heads={int(h)}");
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- ax.tick_params(axis='y', colors='b')
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- axs.tick_params(axis='y', colors='r')
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- ax.set_ylabel('Likelihood',color='b')
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- axs.set_ylabel('Prior/Posterior', color='r', rotation=270, labelpad=30)
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- return fig
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-
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-
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  with st_col:
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- st.pyplot(coin_toss(n_samples, n_heads, alpha, beta))
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  hide_streamlit_style = """
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  <style>
 
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  beta = st.slider('Beta', 0.5, 5.0, 0.5)
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  theta = np.linspace(0.01,0.99,100)
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+ #rc('font', size=20)
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  # rc('text', usetex=True)
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+ fig, ax = plt.subplots()
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  axs = ax.twinx()
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  def Bernoulli(theta, N, h):
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  return (theta ** h) * ((1-theta) ** (N-h))
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+ Likelihood = [Bernoulli(t,N,h) for t in theta]
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+
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+ ax.cla();axs.cla()
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+ ax.plot(theta, Likelihood, label='Likelihood',color='b');
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+ axs.plot(theta, scipy.stats.beta.pdf(theta, alpha,beta), label='Prior',color='k');
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+ ax.set_xlabel('p(head)');
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+ ax.vlines(h/N, *ax.get_ylim(), linestyle='--',label='MLE', color='b')
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+ axs.text(h/N,2,'MLE', color='b')
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+
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+ axs.plot(theta, [scipy.stats.beta.pdf(t, h+alpha, N-h+beta) for t in theta], color='r')
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+ ax.text(theta[0], Likelihood[0],'Likelihood', color='b')
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+ axs.text(theta[-5], scipy.stats.beta.pdf(theta, alpha,beta)[-5],'Prior')
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+ axs.text(alpha/(alpha+beta)-0.1,1,'Prior mean')
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+ axs.text(theta[0],scipy.stats.beta.pdf(theta[0], h+alpha, N-h+beta),'Posterior',color='r')
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+ axs.text((h+alpha)/(N+alpha+beta)-0.1,3,'Post. Mean',color='r')
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+ ax.vlines(alpha/(alpha+beta), *ax.get_ylim(), linestyle='--',label='Prior mean',color='k')
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+ ax.vlines((h+alpha)/(N+alpha+beta), *ax.get_ylim(), linestyle='--',label='Post. Mean',color='r')
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+ # ax.set_title(f"n_samples={int(N)}, n_heads={int(h)}");
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+ ax.tick_params(axis='y', colors='b')
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+ axs.tick_params(axis='y', colors='r')
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+ ax.set_ylabel('Likelihood',color='b')
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+ axs.set_ylabel('Prior/Posterior', color='r', rotation=270, labelpad=30)
 
 
 
 
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  with st_col:
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+ st.pyplot(fig)
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  hide_streamlit_style = """
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  <style>