# A veces necesitamos instalar nuevas librerías en nuestros proyectos
!pip install openpyxl==3.0.10
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# imports
import numpy as np
import pandas as pd
import sqlite3 as sql3
import openpyxl
import matplotlib.pyplot as plt
import seaborn as sns
# Levanto los datos en 3 diferentes dataframes
# Articulos
conn = sql3.connect('/work/data/articles.db')
sql_query = pd.read_sql_query('SELECT * FROM articles', conn)
df_articles = pd.DataFrame(sql_query, columns=['article_id', 'article_name', 'unit_price'])
# Vendedores
df_sellers = pd.read_excel('/work/data/sellers.xlsx', index_col=0)
# Ordenes
df_orders = pd.read_csv('/work/data/orders.csv')
# Exploración del df de artículos
print('Muestra de datos')
print(df_articles.head()) # head() 5 Filas por defecto
print('\nFormato del dataframe')
print(df_articles.shape)
print('\nBúsqueda de valores null por columna')
print(df_articles.isnull().sum())
print('\nFormato de los datos por columna')
print(df_articles.dtypes)
Muestra de datos
article_id article_name unit_price
0 20015 Smartphone 525.00
1 20016 Full Pc 2127.81
2 20017 Monitor 230.00
3 20018 Tablet 130.00
4 20019 Desk 130.10
Formato del dataframe
(31, 3)
Búsqueda de valores null por columna
article_id 0
article_name 0
unit_price 0
dtype: int64
Formato de los datos por columna
article_id int64
article_name object
unit_price object
dtype: object
# Exploración del df de vendedores
print('Muestra de datos')
print(df_sellers.head()) # head() 5 Filas por defecto
print('\nFormato del dataframe')
print(df_sellers.shape)
print('\nBúsqueda de valores null por columna')
print(df_sellers.isnull().sum())
print('\nFormato de los datos por columna')
print(df_sellers.dtypes)
Muestra de datos
seller_name
seller_id
1 Aveline Swanwick
2 Jase Doy
3 Oliviero Charkham
4 Cornie Wynrehame
5 Ewell Peres
Formato del dataframe
(15, 1)
Búsqueda de valores null por columna
seller_name 0
dtype: int64
Formato de los datos por columna
seller_name object
dtype: object
# Exploración del df de órdenes
print('Muestra de datos')
print(df_orders.head()) # head() 5 Filas por defecto
print('\nFormato del dataframe')
print(df_orders.shape)
print('\nBúsqueda de valores null por columna')
print(df_orders.isnull().sum())
print('\nFormato de los datos por columna')
print(df_orders.dtypes)
Muestra de datos
order_id week article_id quantity seller_id country_name
0 15024 1 20039 10 10 Peru
1 15025 1 20029 15 5 Peru
2 15026 1 20024 5 14 Bolivia
3 15027 1 20018 9 14 Brazil
4 15028 1 20035 6 15 Mexico
Formato del dataframe
(1000, 6)
Búsqueda de valores null por columna
order_id 0
week 0
article_id 0
quantity 0
seller_id 0
country_name 0
dtype: int64
Formato de los datos por columna
order_id int64
week int64
article_id int64
quantity int64
seller_id int64
country_name object
dtype: object
df_articles['unit_price'] = df_articles['unit_price'].astype(float)
print(df_articles.dtypes)
article_id int64
article_name object
unit_price float64
dtype: object
# https://pandas.pydata.org/docs/user_guide/indexing.html
# https://towardsdatascience.com/how-to-use-loc-and-iloc-for-selecting-data-in-pandas-bd09cb4c3d79
# https://stackoverflow.com/questions/28754603/indexing-pandas-data-frames-integer-rows-named-columns
my_df = df_orders.copy() # shallow copy
# Cambio el indice del df de artículos
df_articles.set_index('article_id', inplace=True)
my_df = my_df.assign(article_name = my_df['article_id'])
my_df = my_df.assign(total_amount = my_df['article_id'])
my_df = my_df.assign(seller_name = my_df['seller_id'])
# print(df_articles)
# print()
# my_df
for i in range(max(my_df.count())):
# print(i)
# SINTAXIS: df_articles.loc[indice][columna]
# [indice]: va a ser el dato que obtengo de [my_df.loc[i, 'article_id']]
# o sea, tomo registro a registro el article_id y lo uso para extraer el nombre del artículo (article_name) de df_articles (tabla)
# print(df_articles.loc[my_df.loc[i ,'article_id']]['article_name'])
article = df_articles.loc[my_df.loc[i ,'article_id']]['article_name']
# print(article)
# Asignar a cada valor id de la columna 'article_name' de my_df, el nombre del artículo
my_df.loc[i, 'article_name'] = article
#my_df
# hacemos lo mismo con total_amount
my_df.loc[i, 'total_amount'] = my_df.loc[i, 'quantity']*df_articles.loc[my_df.loc[i ,'article_id']]['unit_price']
#my_df
# Columna de seller name
my_df.loc[i, 'seller_name'] = df_sellers.loc[my_df.loc[i ,'seller_id']]['seller_name']
# elimino las columnas que no necesito de my_df
my_df.drop(['order_id', 'article_id', 'seller_id'], axis='columns', inplace=True)
print(my_df)
week quantity country_name article_name total_amount seller_name
0 1 10 Peru Water Cooling 675.0 Cirilo Grandham
1 1 15 Peru Mouse 454.5 Ewell Peres
2 1 5 Bolivia Netbook 725.0 Janel O'Curran
3 1 9 Brazil Tablet 1170.0 Janel O'Curran
4 1 6 Mexico Case 227.4 Daisie Slograve
.. ... ... ... ... ... ...
995 4 1 Brazil Modem 67.5 Kati Innot
996 4 15 Brazil Heatsink 150.0 Daisie Slograve
997 4 2 Colombia Heatsink 20.0 Vasily Danilyuk
998 4 14 Brazil Tablet 1820.0 Vasily Danilyuk
999 4 12 Brazil SDD 264.0 Onida Cosely
[1000 rows x 6 columns]
# my_df.loc[:, 'quantity']
# my_df.loc[:, ['quantity','country_name']]
# my_df.loc[0:5, ['quantity','country_name']]
# my_df.iloc[:, 1]
# my_df.iloc[:, [1,2]]
# my_df.iloc[0:6, [1,2]]
my_df.iloc[0:5, [1,2]]
quantityint64
country_nameobject
0
10
Peru
1
15
Peru
2
5
Bolivia
3
9
Brazil
4
6
Mexico
# RESOLUCIÓN ANALÍTICA
df7 = my_df.groupby(by='article_name').sum().sort_values('quantity', ascending=False).head()
pd.options.display.float_format= '$ {:,.2f}'.format
print(df7[['quantity', 'total_amount']])
quantity total_amount
article_name
HDD 413 $ 22,558.06
Tablet 374 $ 48,620.00
SDD 372 $ 8,184.00
Mouse 322 $ 9,756.60
Netbook 320 $ 46,400.00
# RESOLUCIÓN GRÁFICA
sns.barplot(data=df7, x=df7.index, y='quantity')
plt.xticks(rotation=90) # 'vertical'
plt.show()
# RESOLUCIÓN ANALÍTICA
df2 = my_df.groupby(by='article_name').sum().sort_values('total_amount', ascending=False).head(5)
pd.options.display.float_format= '$ {:,.2f}'.format
print(df2['total_amount'])
article_name
Full Pc $ 538,335.93
Notebook $ 251,000.00
Smartphone $ 152,250.00
Chair $ 69,477.48
Tablet $ 48,620.00
Name: total_amount, dtype: float64
# RESOLUCIÓN GRÁFICA
plt.pie(x=df2['total_amount'], labels=df2.index, autopct='%1.2f%%')
plt.show()
# RESOLUCIÓN ANALÍTICA
df4 = my_df.groupby(by='seller_name').sum().sort_values('total_amount', ascending=False)
pd.options.display.float_format= '$ {:,.2f}'.format
print(df4[['quantity'] + ['total_amount']].head(5))
quantity total_amount
seller_name
Janel O'Curran 703 $ 192,832.47
Brockie Patience 441 $ 142,709.88
Oliviero Charkham 555 $ 141,329.76
Vasily Danilyuk 521 $ 129,157.55
Daisie Slograve 554 $ 120,520.11
# RESOLUCIÓN GRÁFICA
plt.bar(df4.index, df4['total_amount'])
plt.xticks(rotation=90)
plt.show()
# RESOLUCIÓN ANALÍTICA
df5 = my_df.groupby(by='week').sum().sort_values('total_amount', ascending=False)
pd.options.display.float_format= '$ {:,.2f}'.format
print(df5[['quantity'] + ['total_amount']])
quantity total_amount
week
1 2449 $ 507,458.81
2 2444 $ 415,364.44
3 2114 $ 329,140.03
4 1058 $ 223,844.56
# RESOLUCIÓN GRÁFICA
plt.bar(df5.index, df5['total_amount'])
plt.show()
# Filtramos el df por cada semana y agrupamos por 'country_name' para sumar los valores
df_s1 = my_df[my_df['week'] == 1].groupby(by='country_name').sum().sort_values('total_amount', ascending=False).head(3)
pd.options.display.float_format= '$ {:,.2f}'.format # Seteamos el formato para type float
print("Semana 1")
# Traigo todas las filas de la columna 2 (total_amount)
print(df_s1.iloc[:,2:3])
print()
df_s2 = my_df[my_df['week'] == 2].groupby(by='country_name').sum().sort_values('total_amount', ascending=False).head(3)
pd.options.display.float_format= '$ {:,.2f}'.format
print("Semana 2")
print(df_s2.iloc[:,2:3])
print()
df_s3 = my_df[my_df['week'] == 3].groupby(by='country_name').sum().sort_values('total_amount', ascending=False).head(3)
pd.options.display.float_format= '$ {:,.2f}'.format
print("Semana 3")
print(df_s3.iloc[:,2:3])
print()
df_s4 = my_df[my_df['week'] == 4].groupby(by='country_name').sum().sort_values('total_amount', ascending=False).head(3)
pd.options.display.float_format= '$ {:,.2f}'.format
print("Semana 4")
print(df_s4.iloc[:,2:3])
print()
Semana 1
total_amount
country_name
Brazil $ 165,289.90
Argentina $ 63,760.48
Mexico $ 58,549.25
Semana 2
total_amount
country_name
Brazil $ 106,803.85
Argentina $ 96,789.13
Peru $ 56,591.80
Semana 3
total_amount
country_name
Brazil $ 79,341.50
Colombia $ 69,473.90
Peru $ 51,855.31
Semana 4
total_amount
country_name
Brazil $ 89,836.60
Mexico $ 39,534.32
Colombia $ 29,169.06
# Definimos los subplots con las dimensiones
fig, ax = plt.subplots(2, 2, figsize=(9,9))
fig.subplots_adjust(bottom=0.3, right=1.7, top=1.2)
# Se crean los subplots
ax[0, 0].bar(df_s1.index, df_s1['total_amount'],width=0.5, color=['mediumblue', 'slateblue', 'mediumpurple'])
ax[0, 1].bar(df_s2.index, df_s2['total_amount'],width=0.5, color=['mediumblue', 'slateblue', 'hotpink'])
ax[1, 0].bar(df_s3.index, df_s3['total_amount'],width=0.5, color=['mediumblue', 'blueviolet', 'hotpink'])
ax[1, 1].bar(df_s4.index, df_s4['total_amount'],width=0.5, color=['mediumblue', 'mediumpurple', 'blueviolet'])
# Se agrega titulos y ejes
ax[0,0].set_title("Semana 1")
ax[0,1].set_title("Semana 2")
ax[1,0].set_title("Semana 3")
ax[1,1].set_title("Semana 4")
ax[0,0].set_ylabel("Monto total")
ax[0,1].set_ylabel("Monto total")
ax[1,0].set_ylabel("Monto total")
ax[1,1].set_ylabel("Monto total")
plt.show()
# Agrupamos el df por pais y, ordenando por cantidad total
df_d1 = my_df.groupby(by='country_name').sum().sort_values('total_amount', ascending=True).head(1).reset_index()
df_d2 = my_df.groupby(by='country_name').sum().sort_values('total_amount', ascending=False).head(1).reset_index()
print('Pais con menor cantidad de ventas')
print(df_d1.iloc[0,0])
print()
print('Pais con mayor cantidad de ventas')
print(df_d2.iloc[0,0])
print()
# Filtramos el df con el pais con menor ventas
df_menor = my_df[my_df['country_name'] == df_d1.iloc[0,0]] # Con df_d1.iloc[0,0] localizamos el elemento requerido (nombre país)
# Filtramos el df con el pais con mayor ventas
df_mayor = my_df[my_df['country_name'] == df_d2.iloc[0,0]] # Con df_d2.iloc[0,0] localizamos el elemento requerido (nombre país)
print()
df_menor_lin = df_menor[['week','total_amount', 'quantity']].groupby('week').sum('total_amount', 'quantity').sort_values('week', ascending=True)
print(df_menor_lin)
df_mayor_lin = df_mayor[['week','total_amount', 'quantity']].groupby('week').sum('total_amount', 'quantity').sort_values('week', ascending=True)
print(df_mayor_lin)
Pais con menor cantidad de ventas
Puerto Rico
Pais con mayor cantidad de ventas
Brazil
total_amount quantity
week
1 $ 1,256.58 9
2 $ 8.85 3
total_amount quantity
week
1 $ 165,289.90 765
2 $ 106,803.85 664
3 $ 79,341.50 646
4 $ 89,836.60 440
# Creamos el lienzo
fig, ax1 = plt.subplots()
ax2 = ax1.twinx()
fig , ax3 = plt.subplots()
ax4 = ax3.twinx()
# Creamos los graficos
sns.lineplot(data=df_mayor_lin, x = df_mayor_lin.index, y='total_amount', ax=ax1, color='r')
sns.lineplot(data=df_mayor_lin, x = df_mayor_lin.index, y='quantity', ax=ax2, color='b')
sns.lineplot(data=df_menor_lin, x = df_menor_lin.index, y='total_amount', ax=ax3, color='y')
sns.lineplot(data=df_menor_lin, x = df_menor_lin.index, y='quantity', ax=ax4, color='g')
# Definimos títulos y ejes
ax1.set_title("Mayor vendedor")
ax1.set_xlabel("Semanas")
ax1.set_ylabel("Monto total (en rojo)")
ax2.set_ylabel("Cantidad de ventas (en azul)")
ax3.set_title("Menor vendedor")
ax3.set_xlabel("Semanas")
ax3.set_ylabel("Monto total (en amarillo)")
ax4.set_ylabel("Cantidad de ventas (en verde)")
plt.show()
# Filtramos el DF por la cuarta semana y agrupamos por 'article_name' para sumar los valores
df_art = my_df[my_df['week'] == 4].groupby(by='article_name').sum().sort_values('quantity', ascending=False).head(5)
# Mostramos la cantidad de articulos vendidos
print(df_art['quantity'])
article_name
Notebook 78
Pci Express Port 78
Usb Cable 72
Netbook 57
Tablet 55
Name: quantity, dtype: int64
plt.pie(x=df_art['quantity'], labels=df_art.index, autopct='%1.2f%%')
plt.show()