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covid_interface.py
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covid_interface.py
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import pandas as pd
import numpy as np
import streamlit as st
import plotly.express as px
from plotly.subplots import make_subplots
import plotly.graph_objects as go
from sklearn.cluster import KMeans
from sklearn import linear_model
import matplotlib.pyplot as plt
from pandas.api.types import is_string_dtype
from pandas.api.types import is_numeric_dtype
def regression(df,col1,col2):
""""
A function that takes a dataframe and the name of two columns
returns a linear regression using the two columns
and plots the result directly.
"""
x = df[col1].values
y = df[col2].values
x = x.reshape(918 , 1)
y = y.reshape(918 , 1)
regr = linear_model.LinearRegression()
regr.fit(x, y)
# plot it as in the example at http://scikit-learn.org/
plt.scatter(x, y, color='red')
fig, ax = plt.subplots()
ax.scatter(x, y)
ax.scatter(x, regr.predict(x),color='blue')
# plt.plot(x, regr.predict(x), color='blue', linewidth=3)
# plt.xticks(())
# plt.yticks(())
# plt.show()
st.pyplot(fig)
def kmeans(df,col1,col2):
""""
A function that takes a dataframe and the name of two columns, as well as K value
computes a kmeans using the two columns with k = K that is passed in input
and plots the result directly.
"""
kmeans = KMeans(n_clusters=3).fit(df[[col1,col2]])
centroids = kmeans.cluster_centers_
st.write(centroids)
fig, ax = plt.subplots()
ax.scatter(df[col1], df[col2], c= kmeans.labels_.astype(float), s=50, alpha=0.5)
ax.scatter(centroids[:, 0], centroids[:, 1], c='red', s=50)
st.pyplot(fig)
def label_gender(row):
# Converts gender into one column with a label.
if row['Gender_Female'] == 1 :
return 'F'
elif row['Gender_Male'] == 1 :
return 'M'
else:
return 'Transgender'
def label_age(row):
# Converts age categories into one column.
if row['Age_0-9'] == 1 :
return '0-9'
elif row['Age_10-19'] == 1 :
return '10-19'
elif row['Age_20-24'] == 1 :
return '20-24'
elif row['Age_25-59'] == 1 :
return '25-59'
else:
return '60+'
def label_severity(row):
# Converts severity columns into one column.
if row['Severity_None'] == 1 :
return 'None'
elif row['Severity_Moderate'] == 1 :
return 'Moderate'
elif row['Severity_Mild'] == 1 :
return 'Mild'
else:
return 'Severe'
def label_nbsym(row):
# Counts the number of symptomes.
nb_sym = row['Fever'] + row['Tiredness']+ row['Dry-Cough'] + row['Sore-Throat'] + row['Pains']+ row['Runny-Nose'] + row['Diarrhea']
return nb_sym
def display_gen(df):
#A function that takes a dataframe and computes and prints in streamlit interface
#different metrics.
with st.expander("Data"):
st.write(df)
st.markdown("<h2 style='text-align: center;'>General Figures</h2>", unsafe_allow_html=True)
col1,col2,col3 = st.columns(3)
col1.metric('Number of Contact',int(len(df[df['Contact_Yes']==1])))
col2.metric('Number of Non Contact',int(len(df[df['Contact_No']==1])))
col3.metric('Number of Not sure',int(len(df[df['Contact_Dont-Know']==1])))
##age distribution per sex
st.markdown("<h2 style='text-align: center;'>Distributions</h2>", unsafe_allow_html=True)
fig = px.histogram(df, x="Country", y="count", color="gender", marginal="violin",
hover_data=df.columns)
col1,col2 = st.columns([1,1])
col1.plotly_chart(fig, use_container_width=True)
df_agg = df.groupby(['Country','severity'],as_index=False)['NbSym'].mean()
col2.write("Country")
col2.table(df_agg)
df_agg = df.groupby(['age','severity'],as_index=False)['NbSym'].mean()
col2.write("Age")
col2.table(df_agg)
# col2.write("Stats by HeartDisease")
# col2.table(df.groupby('HeartDisease',as_index=False).apply(agg))
# col2.write("Stats by RestingECG")
# col2.table(df.groupby('RestingECG',as_index=False).apply(agg))
st.markdown("<h2 style='text-align: center;'>Aggergation by column</h2>", unsafe_allow_html=True)
possible_rows = df.columns
col1,col2,col3 = st.columns([1,1,1])
x_axis_select = col1.selectbox("X-axis",possible_rows[:],index=2)
color_select = col2.selectbox("Color",possible_rows[:],index=1)
barmode = col3.selectbox("Bar Mode",['stack','group'])
df_grp = df.groupby(by=[x_axis_select,color_select]).size().to_frame('size')
df_grp = df_grp.reset_index()
fig = px.bar(df_grp, x=x_axis_select, y='size',color=color_select,barmode=barmode)
st.plotly_chart(fig, use_container_width=True)
def render():
# the main render function that is called when the heart interface is choosen.
if 'df_covid' not in st.session_state:
df = pd.read_csv('datasets/Cleaned-Data.csv')
df['count'] = 1
df['gender'] = df.apply(lambda row: label_gender(row), axis=1)
df['age'] = df.apply(lambda row: label_age(row), axis=1)
df['severity'] = df.apply(lambda row: label_severity(row), axis=1)
df['NbSym'] = df.apply(lambda row: label_nbsym(row), axis=1)
st.session_state['df_covid'] = df
else:
df = st.session_state['df_covid']
options = st.sidebar.selectbox('Mode',("Display","Kmeans","Regression"))
if options == 'Display':
display_gen(df)
elif options == "Kmeans":
possible_rows = df.columns
fig = px.scatter_matrix(df,
dimensions=['age','severity','NbSym'],
color="gender", symbol="gender",
title="Scatter matrix",
labels={col:col.replace('_', ' ') for col in df.columns}) # remove underscore
config = {
'toImageButtonOptions': {
'format': 'png', # one of png, svg, jpeg, webp
'filename': 'weekprofile',
'height': 500,
'width': 2000,
'scale': 5 # Multiply title/legend/axis/canvas sizes by this factor
}
}
fig.update_traces(diagonal_visible=False)
fig.update_layout(height=1000)
st.plotly_chart(fig, use_container_width=True,config=config,height=1000)
col1,col2,col3 = st.columns(3)
x_axis_select = col1.selectbox("X-axis",possible_rows[:])
y_axis_select = col2.selectbox("Y-axis",possible_rows[:])
btn_load = col3.button("Load")
if btn_load and is_numeric_dtype(df[x_axis_select]) and is_numeric_dtype(df[y_axis_select]):
kmeans(df,x_axis_select,y_axis_select)
elif options == "Regression":
possible_rows = df.columns
fig = px.scatter_matrix(df,
dimensions=['age','severity','NbSym'],
color="gender", symbol="gender",
title="Scatter matrix",
labels={col:col.replace('_', ' ') for col in df.columns}) # remove underscore
config = {
'toImageButtonOptions': {
'format': 'png', # one of png, svg, jpeg, webp
'filename': 'weekprofile',
'height': 500,
'width': 2000,
'scale': 5 # Multiply title/legend/axis/canvas sizes by this factor
}
}
fig.update_traces(diagonal_visible=False)
fig.update_layout(height=1000)
st.plotly_chart(fig, use_container_width=True,config=config,height=1000)
col1,col2,col3 = st.columns(3)
x_axis_select = col1.selectbox("X-axis",possible_rows[:],index=0)
y_axis_select = col2.selectbox("Y-axis",possible_rows[:],index=1)
btn_load = col3.button("Load")
if btn_load and is_numeric_dtype(df[x_axis_select]) and is_numeric_dtype(df[y_axis_select]):
regression(df,x_axis_select,y_axis_select)
# subrender(dataset_select,options)
# # param_form = st.form("parameters")
# # col1,col2 = param_form.columns(2)
# # ligne = col1.number_input('Ligne',value=132)
# # date = col2.text_input('Date',value='2021-03-31')
# df_trips_bis = df_trips[df_trips['service_id'].isin(df_cal[df_cal['date']==date].service_id.tolist())]
# df_trips_bis['short_name'] = df_trips_bis.route_id.str.split(":").str[1]
# lines = list(df_trips_bis.short_name.unique())
# for l in lines:
# try:
# load_timetable(date,str(l),'Classic week day')
# except Exception as inst:
# st.write(str(l),"failed")
# st.write(str(inst))
# st.set_page_config(page_title="Project", page_icon=None, layout='wide')
# render()