Created
January 21, 2020 20:11
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#!/usr/bin/env python | |
# coding: utf-8 | |
# # Exercícios | |
# In[11]: | |
import pandas as pd | |
get_ipython().run_line_magic('pylab', 'inline') | |
# In[2]: | |
df = pd.read_csv('../Dados/AirPassengers.csv') | |
df | |
# In[3]: | |
df.info() | |
# ## 1 converter data de string para data | |
# In[7]: | |
df['Month'] = pd.to_datetime(df.Month) | |
df.info() | |
# ## 2 indexar o dataframe pela data | |
# In[8]: | |
df.set_index('Month', inplace=True) | |
# ## 3 fazer um gráfico do número de passageiros por mês e depois, a média por ano | |
# In[12]: | |
df.plot(); | |
# In[15]: | |
df.resample('Y').mean().plot(); | |
# In[22]: | |
ts = df.index[0] | |
ts.month_name() | |
# In[35]: | |
verão = ['June','July','August'] | |
def é_verão(x): | |
return [mes in verão for mes in x.index.month_name()] | |
df['verao'] = df.apply(é_verão).values | |
df | |
# In[38]: | |
df['inverno'] = df.verao != True | |
# In[42]: | |
df[df.verao==True]['#Passengers'].plot(style='o') | |
df[df.verao!=True]['#Passengers'].plot(style='o') | |
# In[ ]: | |
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