python
import pandas as pd
import numpy as np
import statsmodels.api as sm
data = pd.read_csv('data.csv')
data['date'] = pd.to_datetime(data['date'])
data.set_index('date', inplace=True)
data = data.fillna(method='ffill')
model = sm.tsa.ARMA(data, order=(1, 1))
result = model.fit()
print(result.summary())
forecast = result.forecast(steps=10)
print(forecast)
