我的目标是最终在x轴上创建一个散点图,并在y轴上赢得(每个候选人的)代表。我不知道该如何“填空”当提到错过的日期。我附上了一张我得到的桌子的照片。在
例如,我试图将3月1日作为阿拉斯加、阿肯色州等地的日期,以便绘制数据。在
# CREATE DATAFRAME WITH DELEGATE WON/TARGET INFORMATION
import requests
from lxml import html
import pandas
url = "http://projects.fivethirtyeight.com/election-2016/delegate-targets/"
response = requests.get(url)
doc = html.fromstring(response.text)
tables = doc.findall('.//table[@class="delegates desktop"]')
election = tables[0]
election_rows = election.findall('.//tr')
def extractCells(row, isHeader=False):
if isHeader:
cells = row.findall('.//th')
else:
cells = row.findall('.//td')
return [val.text_content() for val in cells]
def parse_options_data(table):
rows = table.findall(".//tr")
header = extractCells(rows[1], isHeader=True)
data = [extractCells(row, isHeader=False) for row in rows[2:]]
trumpdata = "Trump Won Delegates"
cruzdata = "Cruz Won Delegates"
kasichdata = "Kasich Won Delegates"
data = pandas.DataFrame(data, columns=["Date", "State or Territory", "Total Delegates", trumpdata, cruzdata, kasichdata, "Rubio"])
data.insert(4, "Trump Target Delegates", data[trumpdata].str.extract(r'(\d{0,3}$)'))
data.insert(6, "Cruz Target Delegates", data[cruzdata].str.extract(r'(\d{0,3}$)'))
data.insert(8, "Kasich Target Delegates", data[kasichdata].str.extract(r'(\d{0,3}$)'))
data = data.drop('Rubio', 1)
data[trumpdata] = data[trumpdata].str.extract(r'(^\d{0,3})')
data[cruzdata] = data[cruzdata].str.extract(r'(^\d{0,3})')
data[kasichdata] = data[kasichdata].str.extract(r'(^\d{0,3})')
return df
election_data = parse_options_data(election)
df = pandas.DataFrame(election_data)
df
你可以的
我建议你仔细检查一下文件
http://pandas.pydata.org/pandas-docs/stable/10min.html
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