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| import streamlit as st | |
| import pandas as pd | |
| import numpy as np | |
| import plotly.express as px | |
| import plotly.graph_objects as go | |
| from scipy.stats import norm | |
| def figo(plot_type, df, title, xlabel=None, ylabel=None, legend_title=None, colorscale='Plotly3'): | |
| if plot_type == "Heatmap": | |
| df = df.apply(pd.to_numeric, errors='coerce') | |
| fig = go.Figure(data=go.Heatmap( | |
| z=df.values, | |
| x=df.columns, | |
| y=df.index, | |
| hoverongaps=False, | |
| colorscale=colorscale | |
| )) | |
| elif plot_type == "Bar": | |
| fig = go.Figure() | |
| col = df.name | |
| fig.add_trace(go.Bar( | |
| x=df.index, | |
| y=df, | |
| name=col | |
| )) | |
| fig.update_layout(barmode='group') | |
| else: | |
| raise ValueError("Invalid plot_type. Supported types are 'Heatmap' and 'Bar'.") | |
| fig.update_layout( | |
| title={ | |
| 'text': title, | |
| 'y':0.95, | |
| 'x':0.5, | |
| 'xanchor': 'center', | |
| 'yanchor': 'top' | |
| }, | |
| xaxis_title=xlabel, | |
| yaxis_title=ylabel, | |
| legend_title=legend_title, | |
| template="plotly_white" | |
| ) | |
| return fig | |
| def is_matching_pattern(column, prefix): | |
| if not column.startswith(prefix + '_'): | |
| return False | |
| suffix = column[len(prefix) + 1:] | |
| if 1 <= len(suffix) <= 3 and suffix.isdigit(): | |
| return True | |
| return False | |
| def multi_answer(df): | |
| friquency = {} | |
| for i in df.columns: | |
| unique_values = list(set(df[i].dropna()))[0] | |
| friquency[str(unique_values)] = df[i].value_counts().get(unique_values, 0) | |
| friquency_dataframe = pd.DataFrame( | |
| {"Value": friquency.keys(), | |
| "Friquency": friquency.values(), | |
| "Percentage": np.array(list(friquency.values()))/len(df.dropna(how='all'))*100}).sort_values(by='Value') | |
| friquency_dataframe.loc[len(friquency_dataframe)] = ['Sample_size', len(df.dropna(how='all')), 1] | |
| return friquency_dataframe | |
| def single_answer(df): | |
| counter = df.value_counts() | |
| friquency_dataframe = pd.DataFrame({ | |
| 'Value': counter.index, | |
| 'Frequency': counter.values, | |
| 'Percentage': (counter.values / counter.sum()) * 100}).sort_values(by='Value') | |
| friquency_dataframe.loc[len(friquency_dataframe)] = ['Sample_size', len(df.dropna()), 1] | |
| return friquency_dataframe | |
| def two_variable_ss(df, var1, var2): | |
| counter = df.groupby(var1)[var2].value_counts() | |
| friquency_dataframe = counter.unstack(fill_value=0) | |
| column_sums = friquency_dataframe.sum(axis=0) | |
| percentage_dataframe = friquency_dataframe.div(column_sums, axis=1) | |
| friquency_dataframe.loc['Sample_size'] = list(single_answer(df[var2]).iloc[:,1])[:-1] | |
| friquency_dataframe['Sample_size'] = list(single_answer(df[var1]).iloc[:,1]) | |
| return percentage_dataframe, friquency_dataframe | |
| def two_variable_sm(df, var1, var2): | |
| unique_values = list(set(df[var1].dropna())) | |
| value = multi_answer(df[var2]).iloc[:-1,0] | |
| friquency_dataframe, percentage_dataframe = {}, {} | |
| for i in unique_values: | |
| dataframe = multi_answer(df[df[var1] == i][var2]).iloc[:-1,:] | |
| friquency_dataframe[i], percentage_dataframe[i] = dataframe['Friquency'], dataframe['Percentage'] | |
| friquency_dataframe = pd.DataFrame(friquency_dataframe) | |
| percentage_dataframe = pd.DataFrame(percentage_dataframe) | |
| friquency_dataframe.index, percentage_dataframe.index = value, value | |
| friquency_dataframe.loc['Sample_size'] = list(single_answer(df[var1]).iloc[:,1])[:-1] | |
| friquency_dataframe['Sample_size'] = list(multi_answer(df[var2]).iloc[:,1]) | |
| percentage_dataframe.loc['Sample_size'] = list(single_answer(df[var1]).iloc[:,1])[:-1] | |
| percentage_dataframe['Sample_size'] = list(multi_answer(df[var2]).iloc[:,1]) | |
| return percentage_dataframe, friquency_dataframe | |
| # Functions related to Z-Test | |
| def read_excel_sheets(file): | |
| """Reads an Excel file with multiple sheets and returns a dictionary of DataFrames.""" | |
| try: | |
| xls = pd.ExcelFile(file) | |
| sheets_data = {sheet: xls.parse(sheet) for sheet in xls.sheet_names} | |
| return sheets_data | |
| except Exception as e: | |
| st.error(f"❌ Error reading Excel file: {e}") | |
| return None | |
| def z_testes(n1, n2, p1, p2): | |
| """Performs Z-test for proportions and returns p-value.""" | |
| try: | |
| pooled_p = (n1 * p1 + n2 * p2) / (n1 + n2) | |
| se = np.sqrt(pooled_p * (1 - pooled_p) * (1 / n1 + 1 / n2)) | |
| z = (p1 - p2) / se | |
| p_value = 2 * (1 - norm.cdf(abs(z))) | |
| return p_value | |
| except ZeroDivisionError: | |
| return np.nan | |
| def Z_test_dataframes(sheets_data): | |
| """Processes each sheet's DataFrame and computes new DataFrames with Z-test results.""" | |
| result_dataframes = {} | |
| for sheet_name, df in sheets_data.items(): | |
| if df.empty: | |
| st.warning(f"⚠️ Sheet '{sheet_name}' is empty and has been skipped.") | |
| continue | |
| df = df.set_index(df.columns[0]) # Use the first column as index | |
| rows, cols = df.shape | |
| if cols < 2: | |
| st.warning(f"⚠️ Sheet '{sheet_name}' does not have enough columns for analysis and has been skipped.") | |
| continue | |
| new_df = pd.DataFrame(index=df.index[:-1], columns=df.columns[1:]) | |
| for i, row_name in enumerate(df.index[:-1]): | |
| for j, col_name in enumerate(df.columns[1:]): | |
| try: | |
| n1 = df.iloc[-1, 0] # x_I1 | |
| n2 = df.iloc[-1, j+1] # x_Ij | |
| p1 = df.iloc[i, 0] # x_1J | |
| p2 = df.iloc[i, j+1] # x_ij | |
| p_value = z_testes(n1, n2, p1, p2) | |
| new_df.iloc[i, j] = p_value | |
| except Exception as e: | |
| st.error(f"❌ Error processing sheet '{sheet_name}', row '{row_name}', column '{col_name}': {e}") | |
| new_df.iloc[i, j] = np.nan | |
| result_dataframes[sheet_name] = new_df | |
| return result_dataframes | |
| def analyze_z_test(file): | |
| """ | |
| Performs Z-Test analysis on the uploaded Excel file. | |
| Parameters: | |
| - file: Uploaded Excel file | |
| Returns: | |
| - result_dataframes: Dictionary of DataFrames with p-values | |
| """ | |
| sheets_data = read_excel_sheets(file) | |
| if sheets_data is None: | |
| return None | |
| result_dataframes = Z_test_dataframes(sheets_data) | |
| if not result_dataframes: | |
| st.error("❌ No valid sheets found for Z-Test analysis.") | |
| return None | |
| st.write("### 📈 Processed Tables with Z-Test Results") | |
| for sheet_name, df in result_dataframes.items(): | |
| st.write(f"#### Sheet: {sheet_name}") | |
| # Apply color coding based on p-value | |
| def color_p_value(val): | |
| try: | |
| if pd.isna(val): | |
| return 'background-color: lightgray' | |
| elif val < 0.05: | |
| return 'background-color: lightgreen' | |
| else: | |
| return 'background-color: lightcoral' | |
| except: | |
| return 'background-color: lightgray' | |
| styled_df = df.style.applymap(color_p_value) | |
| # Display the styled DataFrame | |
| st.dataframe(styled_df, use_container_width=True) | |
| return result_dataframes | |
| # Streamlit User Interface | |
| st.title("Data Analysis Application") | |
| # Main options | |
| main_option = st.selectbox("Please select an option:", ["Tabulation", "Hypothesis test", "Machine Learning", "Coding"]) | |
| if main_option == "Tabulation": | |
| st.header("Tabulation Analysis") | |
| uploaded_file = st.file_uploader("Please upload your Excel file", type=["xlsx", "xls"]) | |
| if uploaded_file: | |
| try: | |
| df = pd.read_excel(uploaded_file) | |
| st.subheader("Displaying the first few rows of the DataFrame") | |
| st.dataframe(df.head()) | |
| tabulation_option = st.selectbox("Please select the type of analysis:", ["All", "Univariate", "Multivariate"]) | |
| if tabulation_option == "All": | |
| st.info("This section of the program is under development.") | |
| elif tabulation_option == "Univariate": | |
| uni_option = st.selectbox("Select the type of univariate analysis:", ["Multiple answer", "Single answer"]) | |
| if uni_option == "Single answer": | |
| var = st.text_input("Please enter the name of the desired column:") | |
| if var: | |
| if var in df.columns: | |
| result_df = single_answer(df[var]) | |
| st.subheader("Univariate Analysis Results") | |
| st.dataframe(result_df) | |
| fig = figo('Bar', result_df, title='Percentage Histogram', xlabel=var, ylabel='Percentage', colorscale='Plotly3') | |
| st.plotly_chart(fig, use_container_width=True) | |
| else: | |
| st.error("The entered column was not found.") | |
| elif uni_option == "Multiple answer": | |
| var = st.text_input("Please enter the name of the desired column:") | |
| if var: | |
| matching_cols = [col for col in df.columns if is_matching_pattern(col, var)] | |
| if matching_cols: | |
| subset_df = df[matching_cols] | |
| result_df = multi_answer(subset_df) | |
| st.subheader("Multiple Answer Analysis Results") | |
| st.dataframe(result_df) | |
| fig = figo('Bar', result_df, title='Percentage Histogram', xlabel=var, ylabel='Percentage', colorscale='Plotly3') | |
| st.plotly_chart(fig, use_container_width=True) | |
| else: | |
| st.error("No columns matching the entered pattern were found.") | |
| elif tabulation_option == "Multivariate": | |
| st.subheader("Multivariate Analysis") | |
| var1 = st.text_input("Please enter the name of the first column:") | |
| var2 = st.text_input("Please enter the name of the second column:") | |
| if var1 and var2: | |
| if var1 in df.columns and var2 in df.columns: | |
| type1 = st.selectbox("Select the type of analysis for the first column:", ["Multiple answer", "Single answer"], key='type1') | |
| type2 = st.selectbox("Select the type of analysis for the second column:", ["Multiple answer", "Single answer"], key='type2') | |
| if type1 == "Single answer" and type2 == "Single answer": | |
| percentile_df, frequency_df = two_variable_ss(df[[var1, var2]], var1, var2) | |
| st.subheader("Percentage Table") | |
| st.dataframe(percentile_df) | |
| st.subheader("Frequency Table") | |
| st.dataframe(frequency_df) | |
| fig = figo('Heatmap', percentile_df, title='Percentage Histogram', xlabel=var1, ylabel=var2, colorscale='Plotly3') | |
| st.plotly_chart(fig, use_container_width=True) | |
| elif type1 == "Single answer" and type2 == "Multiple answer": | |
| matching_cols = [col for col in df.columns if is_matching_pattern(col, var)] | |
| if matching_cols: | |
| percentile_df, frequency_df = two_variable_sm(df[[var1] + matching_cols], var1, matching_cols) | |
| st.subheader("Percentage Table") | |
| st.dataframe(percentile_df) | |
| st.subheader("Frequency Table") | |
| st.dataframe(frequency_df) | |
| fig = figo('Heatmap', percentile_df, title='Percentage Histogram', xlabel=var1, ylabel=var2, colorscale='Plotly3') | |
| st.plotly_chart(fig, use_container_width=True) | |
| else: | |
| st.error("No columns matching the entered pattern were found.") | |
| else: | |
| st.info("This section of the program is under development.") | |
| else: | |
| st.error("One or both of the entered columns were not found.") | |
| except Exception as e: | |
| st.error(f"❌ Error reading the Excel file: {e}") | |
| elif main_option == "Hypothesis test": | |
| st.header("Hypothesis Testing") | |
| hypothesis_option = st.selectbox("Please select the type of hypothesis test:", ["Z test", "T test", "Chi-Square test", "ANOVA test"]) | |
| if hypothesis_option != "Z test": | |
| st.info("This section of the program is under development.") | |
| else: | |
| uploaded_file = st.file_uploader("Please upload your Excel file for Z-Test", type=["xlsx", "xls"]) | |
| if uploaded_file: | |
| result = analyze_z_test(uploaded_file) | |
| if result: | |
| st.success("Z-Test analysis completed successfully.") | |
| elif main_option in ["Machine Learning", "Coding"]: | |
| st.info("This section of the program is under development.") | |