print("Hello, world!")

def fib(N):
    a, b = 0, 1
    for ii in range(N):
        a, b = b, a + b
    return b

for ii in range(8):
    print(fib(ii))

import numpy as np

np.array([
    [1, 2, 3],
    [4, 5, 6]
])

np.linspace(0, 10, 5)

_.mean()

import pandas as pd

pd.Series([1, 3, 5, np.nan, 6, 8])

dates = pd.date_range('20140701', periods=6)
dates

datos = pd.DataFrame(np.random.randn(6,4), index=dates,
                     columns=list('ABCD'))
datos

datos.describe()

import matplotlib.pyplot as plt
%matplotlib inline

datos["A"].plot()

datos["A"].plot()
plt.xlabel("Fecha")
plt.ylabel("Columna A")
plt.legend(["Datos"])
plt.title("Gráfica 1")

X = np.array([0,1,2,3,4])
Y = np.array([3,5,4,6,7])

%load_ext rpy2.ipython

%Rpush X Y
%R lm(Y~X)$coef

b = %R a=resid(lm(Y~X))
%Rpull a
print(a)
%R -o a

%%R -i X,Y -o XYcoef
XYlm = lm(Y~X)
XYcoef = coef(XYlm)
print(summary(XYlm))
par(mfrow=c(2,2))
plot(XYlm)