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import streamlit as st | |
import random | |
def perform_sampling(population_size, sample_size, seed=None): | |
if seed is not None: | |
random.seed(seed) | |
population = list(range(1, population_size + 1)) | |
if sample_size > population_size: | |
st.error("Sample size cannot be greater than population size.") | |
return None | |
sample = random.sample(population, sample_size) | |
return sample | |
def main(): | |
# Sidebar for user inputs | |
st.sidebar.title("Input Parameters") | |
population_size = st.sidebar.number_input('Enter Population Size', min_value=1, value=1000, step=1) | |
sample_size = st.sidebar.number_input('Enter Sample Size', min_value=1, value=50, step=1) | |
seed = st.sidebar.number_input('Enter Random Seed (optional)', min_value=0, value=None, step=1, format='%d', key='seed') | |
# Main screen for title, description, and output | |
st.title('Simple Random Sampling App') | |
st.markdown(""" | |
## Description | |
This application performs simple random sampling on a specified population. Enter the population size, | |
sample size, and an optional random seed in the sidebar and press 'Generate Sample' to see the results. | |
## Instructions | |
- **Population Size**: Total number of items in your population. | |
- **Sample Size**: Number of items to randomly select from your population. | |
- **Random Seed**: A seed value to ensure reproducibility of your sample. | |
""") | |
if st.sidebar.button('Generate Sample'): | |
sample = perform_sampling(population_size, sample_size, seed) | |
if sample is not None: | |
st.write(f'### Random Sample Output') | |
st.write(f'Random Sample: {sample}') | |
st.write(f'Sample Size: {len(sample)}') | |
if seed is not None: | |
st.write(f'Random Seed Used: {seed}') | |
if __name__ == '__main__': | |
main() | |