Python 将带有日期值的列表加载到数据框中,并随时间绘制活动
我有一些推特数据,我想根据推特类型(推特/提及/转发)绘制活动超时 数据当前加载到元组列表中,其中包含日期和类型:Python 将带有日期值的列表加载到数据框中,并随时间绘制活动,python,pandas,time-series,Python,Pandas,Time Series,我有一些推特数据,我想根据推特类型(推特/提及/转发)绘制活动超时 数据当前加载到元组列表中,其中包含日期和类型: time = [('2014-04-13', 'tweet'), ('2014-04-13', 'tweet'), ('2014-04-13', 'mention'), ('2014-04-13', 'retweet'), ('2014-04-13', 'mention'), ('2014-04-13'
time = [('2014-04-13', 'tweet'),
('2014-04-13', 'tweet'),
('2014-04-13', 'mention'),
('2014-04-13', 'retweet'),
('2014-04-13', 'mention'),
('2014-04-13', 'tweet'),
('2014-04-13', 'retweet'),
('2014-04-13', 'mention'),
('2014-04-13', 'tweet'),
('2014-04-13', 'retweet'),
('2014-04-13', 'retweet'),
('2014-04-13', 'mention'),
('2014-04-13', 'tweet'),
('2014-04-13', 'tweet'),
('2014-04-13', 'tweet'),
('2014-04-13', 'tweet'),
('2014-04-13', 'mention'),
('2014-04-13', 'retweet'),
('2014-04-13', 'mention'),
('2014-04-13', 'tweet')]
我已将数据加载到熊猫数据框中:
time_df = pd.DataFrame(time, columns=['date','time'])
date time
0 2014-04-13 tweet
1 2014-04-13 tweet
2 2014-04-13 mention
3 2014-04-13 retweet
4 2014-04-13 mention
...
...
...
现在数据如下所示:
time_df = pd.DataFrame(time, columns=['date','time'])
date time
0 2014-04-13 tweet
1 2014-04-13 tweet
2 2014-04-13 mention
3 2014-04-13 retweet
4 2014-04-13 mention
...
...
...
然而,现在当涉及到随时间绘制这些数据时,我迷失了方向。另外,我想将每种类型(tweet/提及/转发)划分为不同的颜色线。我还应该注意,有时我可能需要按天/周/月聚合数据
理想情况下,我希望我的情节与以下情节相似,除了推特、提及、转发:
time_df = pd.DataFrame(time, columns=['date','time'])
date time
0 2014-04-13 tweet
1 2014-04-13 tweet
2 2014-04-13 mention
3 2014-04-13 retweet
4 2014-04-13 mention
...
...
...
所以,我想我理解你需要做什么,即使你的问题中没有明确说明 请允许我模拟一些数据:
import numpy as np
import pandas
import random
tweet_types = ['tweet', 'retweet', 'mention']
index = pandas.DatetimeIndex(freq='5min', start='2014-04-13', end='2014-05-13')
tweets = [random.choice(tweet_types) for _ in range(len(index))]
time_df = pandas.DataFrame(index=index, data=tweets, columns=['tweet type'])
time_df['day'] = time_df.index.date
time_df['count'] = 1
print(time_df.head())
因此,前几行现在如下所示:
tweet type day count
2014-04-13 00:00:00 mention 2014-04-13 1
2014-04-13 00:05:00 mention 2014-04-13 1
2014-04-13 00:10:00 tweet 2014-04-13 1
2014-04-13 00:15:00 tweet 2014-04-13 1
2014-04-13 00:20:00 retweet 2014-04-13 1
我添加了count
值,因为我们需要为我们的每日汇总做一些合计,在这里完成:
daily_counts = time_df.groupby(by=['tweet type', 'day']).count()
daily_counts_xtab = daily_counts.unstack(level='tweet type')['count']
print(daily_counts_xtab.head())
这给了我们
tweet type mention retweet tweet
day
2014-04-13 89 101 98
2014-04-14 98 113 77
2014-04-15 87 103 98
2014-04-16 81 107 100
2014-04-17 96 92 100
那么
daily_counts_xtab.plot()
给我: