Menulis Source Code Latex

 \usepackage{verbatim} %menulis sourcecode
\usepackage{listings} %menulis sourcecode
\usepackage{xcolor}%menulis sourcecode
%---
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%===
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\lstset{style=mystyle}
%---

\begin{lstlisting}[language=python, caption=Regresi Linier HP dan Kamera]

import numpy as np

import pandas as pd

from matplotlib import pyplot as plt

from sklearn.linear_model import LinearRegression

df = pd.DataFrame([[8,7],[2,3],[6,7],[4,2],[7,8],[3,3]])

df.columns = ['x', 'y']

x_train = df['x'].values[:,np.newaxis]

y_train = df['y'].values

lm = LinearRegression()

lm.fit(x_train,y_train) # fase training

print('Coefficient : ' + str(lm.coef_))

print('Intercept : ' + str(lm.intercept_))

x_test = [[170],[171]] # data yang akan diprediksi

p = lm.predict(x_test) # fase prediksi

print(p) # hasil prediksi

# prepare plot

pb = lm.predict(x_train)

dfc = pd.DataFrame({'x': df['x'],'y':pb})

plt.scatter(df['x'],df['y'])

plt.plot(dfc['x'],dfc['y'],color='red',linewidth=1)

plt.xlabel('kamera')

plt.ylabel('harga')

plt.show()

\end{lstlisting}