E Habr!
I kēia lā e hana mākou i ke akamai o ka hoʻohana ʻana i nā mea hana no ka hui ʻana a me ka ʻike ʻana i ka ʻikepili ma Python. Ma ka haawiia
Wahi a ka moʻomeheu, i ka hoʻomaka ʻana, e wehewehe i nā pahuhopu:
- E hui pū i ka ʻikepili ma ke kāne a me ka makahiki a nānā i ka dynamics holoʻokoʻa o ka helu hānau o nā kāne ʻelua;
- E ʻimi i nā inoa kaulana loa o nā manawa a pau;
- E puʻunaue i ka manawa holoʻokoʻa o ka ʻikepili i 10 mau ʻāpana a no kēlā me kēia, e ʻimi i ka inoa kaulana loa o kēlā me kēia kāne. No kēlā me kēia inoa i loaʻa, e noʻonoʻo i kona dynamics i nā manawa a pau;
- No kēlā me kēia makahiki, e helu i ka nui o nā inoa e uhi ana i ka 50% o ka poʻe a nānā (e ʻike mākou i nā inoa like ʻole no kēlā me kēia makahiki);
- E koho i nā makahiki 4 mai ka wā āpau a hōʻike i kēlā me kēia makahiki i ka hāʻawi ʻana ma ka leka mua ma ka inoa a me ka leka hope ma ka inoa;
- E hana i ka papa inoa o nā poʻe kaulana (peresidena, nā mele, nā mea keaka, nā kiʻiʻoniʻoni) a loiloi i ko lākou mana i ka dynamics o nā inoa. E kūkulu i kahi hiʻohiʻona.
ʻO nā huaʻōlelo liʻiliʻi, ʻoi aku ka code!
E hui pū kākou i ka ʻikepili ma ke kāne a me ka makahiki a e ʻike i ka dynamics holoʻokoʻa o ka helu hānau o nā kāne ʻelua:
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
years = np.arange(1880, 2011, 3)
datalist = 'https://raw.githubusercontent.com/wesm/pydata-book/2nd-edition/datasets/babynames/yob{year}.txt'
dataframes = []
for year in years:
dataset = datalist.format(year=year)
dataframe = pd.read_csv(dataset, names=['name', 'sex', 'count'])
dataframes.append(dataframe.assign(year=year))
result = pd.concat(dataframes)
sex = result.groupby('sex')
births_men = sex.get_group('M').groupby('year', as_index=False)
births_women = sex.get_group('F').groupby('year', as_index=False)
births_men_list = births_men.aggregate(np.sum)['count'].tolist()
births_women_list = births_women.aggregate(np.sum)['count'].tolist()
fig, ax = plt.subplots()
fig.set_size_inches(25,15)
index = np.arange(len(years))
stolb1 = ax.bar(index, births_men_list, 0.4, color='c', label='Мужчины')
stolb2 = ax.bar(index + 0.4, births_women_list, 0.4, alpha=0.8, color='r', label='Женщины')
ax.set_title('Рождаемость по полу и годам')
ax.set_xlabel('Года')
ax.set_ylabel('Рождаемость')
ax.set_xticklabels(years)
ax.set_xticks(index + 0.4)
ax.legend(loc=9)
fig.tight_layout()
plt.show()
E ʻimi kākou i nā inoa kaulana loa ma ka mōʻaukala:
years = np.arange(1880, 2011)
dataframes = []
for year in years:
dataset = datalist.format(year=year)
dataframe = pd.read_csv(dataset, names=['name', 'sex', 'count'])
dataframes.append(dataframe)
result = pd.concat(dataframes)
names = result.groupby('name', as_index=False).sum().sort_values('count', ascending=False)
names.head(10)
E hoʻokaʻawale i ka manawa holoʻokoʻa o ka ʻikepili i 10 mau ʻāpana a no kēlā me kēia e ʻike mākou i ka inoa kaulana loa o kēlā me kēia kāne. No kēlā me kēia inoa i ʻike ʻia, ʻike mākou i kona dynamics i nā manawa āpau:
years = np.arange(1880, 2011)
part_size = int((years[years.size - 1] - years[0]) / 10) + 1
parts = {}
def GetPart(year):
return int((year - years[0]) / part_size)
for year in years:
index = GetPart(year)
r = years[0] + part_size * index, min(years[years.size - 1], years[0] + part_size * (index + 1))
parts[index] = str(r[0]) + '-' + str(r[1])
dataframe_parts = []
dataframes = []
for year in years:
dataset = datalist.format(year=year)
dataframe = pd.read_csv(dataset, names=['name', 'sex', 'count'])
dataframe_parts.append(dataframe.assign(years=parts[GetPart(year)]))
dataframes.append(dataframe.assign(year=year))
result_parts = pd.concat(dataframe_parts)
result = pd.concat(dataframes)
result_parts_sums = result_parts.groupby(['years', 'sex', 'name'], as_index=False).sum()
result_parts_names = result_parts_sums.iloc[result_parts_sums.groupby(['years', 'sex'], as_index=False).apply(lambda x: x['count'].idxmax())]
result_sums = result.groupby(['year', 'sex', 'name'], as_index=False).sum()
for groupName, groupLabels in result_parts_names.groupby(['name', 'sex']).groups.items():
group = result_sums.groupby(['name', 'sex']).get_group(groupName)
fig, ax = plt.subplots(1, 1, figsize=(18,10))
ax.set_xlabel('Года')
ax.set_ylabel('Рождаемость')
label = group['name']
ax.plot(group['year'], group['count'], label=label.aggregate(np.max), color='b', ls='-')
ax.legend(loc=9, fontsize=11)
plt.show()
No kēlā me kēia makahiki, helu mākou i ka nui o nā inoa e uhi ana i 50% o nā kānaka a nānā i kēia ʻikepili:
dataframe = pd.DataFrame({'year': [], 'count': []})
years = np.arange(1880, 2011)
for year in years:
dataset = datalist.format(year=year)
csv = pd.read_csv(dataset, names=['name', 'sex', 'count'])
names = csv.groupby('name', as_index=False).aggregate(np.sum)
names['sum'] = names.sum()['count']
names['percent'] = names['count'] / names['sum'] * 100
names = names.sort_values(['percent'], ascending=False)
names['cum_perc'] = names['percent'].cumsum()
names_filtered = names[names['cum_perc'] <= 50]
dataframe = dataframe.append(pd.DataFrame({'year': [year], 'count': [names_filtered.shape[0]]}))
fig, ax1 = plt.subplots(1, 1, figsize=(22,13))
ax1.set_xlabel('Года', fontsize = 12)
ax1.set_ylabel('Разнообразие имен', fontsize = 12)
ax1.plot(dataframe['year'], dataframe['count'], color='r', ls='-')
ax1.legend(loc=9, fontsize=12)
plt.show()
E koho kākou i 4 mau makahiki mai ka wā holoʻokoʻa a hōʻike i kēlā me kēia makahiki i ka māhele ʻana ma ka leka mua o ka inoa a me ka leka hope ma ka inoa:
from string import ascii_lowercase, ascii_uppercase
fig_first, ax_first = plt.subplots(1, 1, figsize=(14,10))
fig_last, ax_last = plt.subplots(1, 1, figsize=(14,10))
index = np.arange(len(ascii_uppercase))
years = [1944, 1978, 1991, 2003]
colors = ['r', 'g', 'b', 'y']
n = 0
for year in years:
dataset = datalist.format(year=year)
csv = pd.read_csv(dataset, names=['name', 'sex', 'count'])
names = csv.groupby('name', as_index=False).aggregate(np.sum)
count = names.shape[0]
dataframe = pd.DataFrame({'letter': [], 'frequency_first': [], 'frequency_last': []})
for letter in ascii_uppercase:
countFirst = (names[names.name.str.startswith(letter)].count()['count'])
countLast = (names[names.name.str.endswith(letter.lower())].count()['count'])
dataframe = dataframe.append(pd.DataFrame({
'letter': [letter],
'frequency_first': [countFirst / count * 100],
'frequency_last': [countLast / count * 100]}))
ax_first.bar(index + 0.3 * n, dataframe['frequency_first'], 0.3, alpha=0.5, color=colors[n], label=year)
ax_last.bar(index + bar_width * n, dataframe['frequency_last'], 0.3, alpha=0.5, color=colors[n], label=year)
n += 1
ax_first.set_xlabel('Буква алфавита')
ax_first.set_ylabel('Частота, %')
ax_first.set_title('Первая буква в имени')
ax_first.set_xticks(index)
ax_first.set_xticklabels(ascii_uppercase)
ax_first.legend()
ax_last.set_xlabel('Буква алфавита')
ax_last.set_ylabel('Частота, %')
ax_last.set_title('Последняя буква в имени')
ax_last.set_xticks(index)
ax_last.set_xticklabels(ascii_uppercase)
ax_last.legend()
fig_first.tight_layout()
fig_last.tight_layout()
plt.show()
E hana mākou i kahi papa inoa o nā poʻe kaulana (peresidena, nā mele, nā mea hana keaka, nā kiʻi kiʻiʻoniʻoni) a loiloi i kā lākou mana i ka dynamics o nā inoa:
celebrities = {'Frank': 'M', 'Britney': 'F', 'Madonna': 'F', 'Bob': 'M'}
dataframes = []
for year in years:
dataset = datalist.format(year=year)
dataframe = pd.read_csv(dataset, names=['name', 'sex', 'count'])
dataframes.append(dataframe.assign(year=year))
result = pd.concat(dataframes)
for celebrity, sex in celebrities.items():
names = result[result.name == celebrity]
dataframe = names[names.sex == sex]
fig, ax = plt.subplots(1, 1, figsize=(16,8))
ax.set_xlabel('Года', fontsize = 10)
ax.set_ylabel('Рождаемость', fontsize = 10)
ax.plot(dataframe['year'], dataframe['count'], label=celebrity, color='r', ls='-')
ax.legend(loc=9, fontsize=12)
plt.show()
No ka hoʻomaʻamaʻa ʻana, hiki iā ʻoe ke hoʻohui i ke ola o ka mea kaulana i ka hiʻohiʻona mai ka hiʻohiʻona hope loa i mea e loiloi pono ai i ko lākou mana i ka dynamics o nā inoa.
Me kēia, ua hoʻokō ʻia kā mākou mau pahuhopu a pau. Ua hoʻomohala mākou i ke akamai o ka hoʻohana ʻana i nā mea hana no ka hui pū ʻana a me ka nānā ʻana i ka ʻikepili ma Python, a e hoʻomau mākou e hana me ka ʻikepili. Hiki i nā mea a pau ke huki i nā manaʻo ma muli o ka ʻikepili i hoʻomākaukau ʻia, ʻike ʻia iā lākou iho.
ʻIke i nā mea a pau!
Source: www.habr.com