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Update app.py
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app.py
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import streamlit as st
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import streamlit as st
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import pandas as pd
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import numpy as np
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st.title('Uber pickups in NYC')
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DATE_COLUMN = 'date/time'
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DATA_URL = ('https://s3-us-west-2.amazonaws.com/'
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'streamlit-demo-data/uber-raw-data-sep14.csv.gz')
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@st.cache_data
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def load_data(nrows):
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data = pd.read_csv(DATA_URL, nrows=nrows)
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lowercase = lambda x: str(x).lower()
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data.rename(lowercase, axis='columns', inplace=True)
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data[DATE_COLUMN] = pd.to_datetime(data[DATE_COLUMN])
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return data
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data_load_state = st.text('Loading data...')
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data = load_data(10000)
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data_load_state.text("Done! (using st.cache_data)")
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