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final_project_main.py
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final_project_main.py
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"""Exploratory Data Analysis (EDA) Tool.
BIOSTAT821
Spring 2022
Authors: Claude Hu, Caitlyn Nguyen, Luenna Wu
"""
import tkinter as tk
from tkinter import filedialog
import sys
from Variable_Class import Variable
import time
from collections import defaultdict
from csv import DictReader
import os
from plots import *
# set the GUI box of the entry page (select the datafile)
page1 = tk.Tk()
page1.geometry("800x300")
page1.title("Select the data file")
next_page = (
tk.BooleanVar()
) # script continues to run only when the 'Next' Button is clicked
next_page.set(False)
inputFilename = tk.StringVar() # filename
inputFilename.set("")
# set up the function of select input file button
def UploadAction():
"""Input file button."""
filename = filedialog.askopenfilename(
filetypes=(("Excel files", ".csv"),)
) # only select csv files
inputFilename.set(filename)
if filename != "":
filepath.config(text=filename)
# button to the next page won't be activated without a file selected
page2_button["state"] = "normal"
# close current page and move to the next page
def Close_P1():
"""Close current page."""
next_page.set(True)
page1.destroy()
# the button that select the input file
input_button = tk.Button(
page1, text="Select Input Table", width=20, height=4, command=UploadAction
)
input_button.place(relx=0.5, rely=0.5, anchor="center")
# the label that shows the file path
filepath = tk.Label(page1, text="Path of Input File", font=("Aerial 11"))
filepath.place(relx=0.5, rely=0.7, anchor="center")
filepath.config(bg="white", fg="black")
# the button that closes the current page and opens the next page
page2_button = tk.Button(
page1, text="Next", width=8, height=2, command=Close_P1, state="disabled"
)
page2_button.place(relx=0.99, rely=0.97, anchor="se")
page1.mainloop()
# file name
csv_name = inputFilename.get()
# stop script by clicking the cross on right top
if next_page.get() is False:
sys.exit()
next_page.set(False)
# read the variable names
values_dict: dict = defaultdict(list)
with open(csv_name, "rU") as csv_file:
csv_reader = DictReader(csv_file)
for row in csv_reader:
for col, dat in row.items():
values_dict[col].append(dat)
# list of variables
data_columns = list(values_dict.keys())
# create variable dictionary
variable_dict = dict()
for variable in data_columns:
variable_dict[variable] = Variable(variable, values_dict[variable])
def Close_P2():
"""Close P2."""
next_page.set(True)
page2.destroy()
# set up page 2: select the outcome (y)
page2 = tk.Tk()
page2.geometry("800x300")
page2.title("Select the Outcome")
# the 'Next' button
page3_button = tk.Button(
page2, text="Next", width=8, height=2, command=Close_P2, state="normal"
)
page3_button.place(relx=0.99, rely=0.97, anchor="se")
# The variable of outcome's name
Y = tk.StringVar()
Y.set("")
# the variable of index (which variable was selected)
y_selection = tk.IntVar()
y_selection.set(0)
# the selection button of y
placement = 10
for i in range(len(data_columns)):
col_name = data_columns[i]
select_var = tk.IntVar()
tk.Radiobutton(page2, text=col_name, variable=y_selection, value=i).grid(
row=placement, column=10, sticky="w"
)
placement += 10
page2.mainloop()
if next_page.get() is False:
sys.exit()
next_page.set(False)
# set the name of outcome (y)
Y.set(data_columns[y_selection.get()])
variable_dict[data_columns[y_selection.get()]].set_x_or_y("y")
# page 3: select the type of y:
# Categorical, Binary, Discrete, Continuous
page3 = tk.Tk()
page3.geometry("800x300")
page3.title("Select the Type of Outcome Variable")
var_types = ["Binary", "Categorical", "Discrete", "Continuous"]
# the variable of the selected type
Y_type = tk.StringVar()
Y_type.set("")
# the index of selected type in the list var_types
ytype_selection = tk.IntVar()
ytype_selection.set(0)
def Close_P3():
"""Close P3."""
next_page.set(True)
page3.destroy()
# the 'Next' button
page4_button = tk.Button(
page3, text="Next", width=8, height=2, command=Close_P3, state="normal"
)
page4_button.place(relx=0.99, rely=0.97, anchor="se")
# set the buttons that select the variable type
placement = 10
for i in range(len(var_types)):
variable_type = var_types[i]
select_var = tk.IntVar()
tk.Radiobutton(
page3, text=variable_type, variable=ytype_selection, value=i
).grid(row=placement, column=10, sticky="w")
placement += 10
page3.mainloop()
if next_page.get() is False:
sys.exit()
next_page.set(False)
Y_type.set(var_types[ytype_selection.get()])
variable_dict[data_columns[y_selection.get()]].set_type(
var_types[ytype_selection.get()]
)
Y_name = data_columns[y_selection.get()]
# the predictors
X = data_columns
X.pop(y_selection.get()) # remove the y from the list of variables
# page 4: selec the predictors and their types
page4 = tk.Tk()
page4.geometry("800x300")
page4.title("Select the Predictors")
def Close_P4():
"""Close P4."""
next_page.set(True)
page4.destroy()
page5_button = tk.Button(
page4, text="Next", width=8, height=2, command=Close_P4, state="normal"
)
page5_button.place(relx=0.99, rely=0.97, anchor="se")
selected_X: list = [] # store the variables of each predictor
X_types: list = [] # store the variable of each predictor's type
X_type_buttons: list = [] # store the buttons that selects the types
# the button that selected the type of one variable will be disabled
# unless that variable is selected
def check_predictor_selection(*args):
"""Check predictor selection."""
selection_sum = 0
for i in range(len(selected_X)):
selected_var = selected_X[i]
button_row = X_type_buttons[i]
for j in range(len(button_row)):
type_button = button_row[j]
if selected_var.get() == 1:
type_button.config(state="normal")
else:
type_button.config(state="disabled")
selection_sum += selected_var.get()
if selection_sum == 0:
page5_button.config(state="disabled")
else:
page5_button.config(state="normal")
# set the buttons
for i in range(len(X)):
predictor = X[i]
selected_var = tk.IntVar()
selected_var.set(1)
selected_X.append(selected_var)
tk.Checkbutton(
page4, text=predictor, variable=selected_var, onvalue=1, offvalue=0
).grid(row=placement, column=10, sticky="w")
new_row: list = []
type_of_predictor = tk.IntVar()
type_of_predictor.set(0)
X_types.append(type_of_predictor)
col_cor = 300
for j in range(len(var_types)):
variable_type = var_types[j]
type_button = tk.Radiobutton(
page4,
text=variable_type,
variable=type_of_predictor,
value=j,
state="active",
)
type_button.grid(row=placement, column=col_cor, sticky="w")
col_cor += 150
new_row.append(type_button)
selected_var.trace("w", check_predictor_selection)
X_type_buttons.append(row)
placement += 10
page4.mainloop()
if next_page.get() is False:
sys.exit()
next_page.set(False)
keep = []
for i in range(len(selected_X)):
pred_var = selected_X[i]
# check if the variable is selected
# if selected add to the list
if pred_var.get() == 1:
keep.append(X[i])
variable_dict[X[i]].set_type(var_types[X_types[i].get()])
variable_dict[X[i]].set_x_or_y("x")
keep.append(Y_name)
final_var_dict = {k: variable_dict[k] for k in keep}
visualizations = [
"Scatter Plot",
"Box Plot",
"Correlation Matrix",
"Histogram",
"Pairplot",
]
page5 = tk.Tk()
page5.geometry("800x300")
page5.title("Select the Visualization")
vis_vars = []
for i in range(len(visualizations)):
vis_plot = visualizations[i]
selected_vis = tk.BooleanVar()
selected_vis.set(True)
vis_vars.append(selected_vis)
tk.Checkbutton(
page5,
text=vis_plot,
variable=selected_vis,
onvalue=True,
offvalue=False,
).grid(row=placement, column=10, sticky="w")
placement += 80
def Close_P5():
"""Close P5."""
next_page.set(True)
page5.destroy()
page6_button = tk.Button(
page5, text="Run", width=8, height=2, command=Close_P5, state="normal"
)
page6_button.place(relx=0.99, rely=0.97, anchor="se")
page5.mainloop()
if next_page.get() is False:
sys.exit()
next_page.set(False)
selected_visualization = []
for i in range(len(vis_vars)):
if vis_vars[i].get() is True:
selected_visualization.append(visualizations[i])
variables_df = pd.read_csv(csv_name, sep=",")
folder_name = "EDA_" + time.strftime("%Y_%m_%d_%H_%M_%S")
os.mkdir(folder_name)
for plot in selected_visualization:
if plot == "Scatter Plot":
scatter_plots(final_var_dict, Y_name, folder_name, variables_df)
elif plot == "Correlation Matrix":
cor_mtx(folder_name, variables_df)
elif plot == "Box Plot":
boxplots(final_var_dict, Y_name, folder_name, variables_df)
elif plot == "Histogram":
hist_plot(final_var_dict, folder_name, variables_df)
elif plot == "Pairplot":
pair_plot(final_var_dict, folder_name, variables_df)