使用threshold
更新
选项1
- 在看到选项1的结果后,实施了这个选项。
- 图表中存在大量未解释的信息,它们并没有清晰地呈现数据。
- 为了清晰地呈现数据,每个图表应该仅包含一个
dealer
、一个threshold
和一个protein_type
的 3 个数据维度(例如date
、values
和cats
)。
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
from datetime import timedelta
df = pd.read_csv('data/so_data/2020-08-03 63239708/mydf.csv', parse_dates=['date'])
df['expected_price'] = df.price*76/df.threshold
df.threshold = df.threshold.astype('category')
df = df.set_index(['date', 'dealer', 'protein_type', 'threshold'])
dfl = df.drop(columns=['destination', 'quantity']).stack().reset_index().rename(columns={'level_4': 'cats', 0: 'values'})
for pt in dfl.protein_type.unique():
for t in dfl.threshold.unique():
data = dfl[(dfl.protein_type == pt) & (dfl.threshold == t)]
if not data.empty:
utc = len(data.threshold.unique())
f, axes = plt.subplots(nrows=utc, ncols= 2, figsize=(20, 4), squeeze=False)
for j in range(utc):
for i, d in enumerate(dfl.dealer.unique()):
data_d = data[data.dealer == d].sort_values(['cats', 'date']).reset_index(drop=True)
p = sns.scatterplot('date', 'values', data=data_d, hue='cats', ax=axes[j, i])
if not data_d.empty:
p.set_title(f'{d}\nThreshold: {t}\n{pt}')
p.set_xlim(data_d.date.min() - timedelta(days=60), data_d.date.max() + timedelta(days=60))
else:
p.set_title(f'{d}: No Data Available\nThreshold: {t}\n{pt}')
plt.show()
前四张图
![enter image description here](https://istack.dev59.com/woor6.webp)
选项2
- 这会生成4个带有
threshold
作为category
类型的单独图。
expected_price
计算必须先将threshold
保留为int
,然后再进行转换。
- 请注意,我的数据没有额外的未命名列,因此仍需要删除它,以下代码中没有显示该过程。
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
df = pd.read_csv('data/so_data/2020-08-03 63239708/mydf.csv', parse_dates=['date'])
df['expected_price'] = df.price*76/df.threshold
df.threshold = df.threshold.astype('category')
df = df.set_index(['date', 'dealer', 'protein_type', 'threshold'])
dfl = df.drop(columns=['destination', 'quantity']).stack().reset_index().rename(columns={'level_4': 'cats', 0: 'values'})
for d in dfl.dealer.unique():
for pt in dfl.protein_type.unique():
plt.figure(figsize=(13, 7))
data = dfl[(dfl.protein_type == pt) & (dfl.dealer == d)]
sns.lineplot('date', 'values', data=data, hue='threshold', style='cats')
plt.yscale('log')
plt.title(f'{d}: {pt}')
plt.legend(bbox_to_anchor=(1.04,0.5), loc="center left", borderaxespad=0)
![enter image description here](https://istack.dev59.com/OVR1T.webp)
没有 threshold
作为类别的原始内容
- 我不理解你在做以下的操作:
newdf= g.apply(lambda x: pd.Series([np.average(x['threshold'])])).unstack()
- 我认为这并不是主要的问题,主要问题是绘制数据。
- 首先,需要将数据框转换为长格式,并且需要删除
'destination'
列。
- 在单个图上绘制的维度太多了。
x = 'date'
,y = 'values'
,hue = 'cats'
,style = 'dealer'
'protein_type'
需要有一个单独的图。
- 但是,数据重叠度太高,无法使用
'dealer'
来区分,因此需要4个绘图。
数据框设置:
选项1:
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
df = pd.read_csv('data/so_data/2020-08-03 63239708/mydf.csv', parse_dates=['date'])
df['expected_price'] = df['price']*76/df['threshold']
df = df.set_index(['date', 'dealer', 'protein_type'])
dfl = df.drop(columns=['destination']).stack().reset_index().rename(columns={'level_3': 'cats', 0: 'values'})
date dealer protein_type cats values
0 2001-12-22 Alpha Food Corps chicken threshold 50.00
1 2001-12-22 Alpha Food Corps chicken quantity 39037.00
2 2001-12-22 Alpha Food Corps chicken price 0.50
3 2001-12-22 Alpha Food Corps chicken expected_price 0.76
4 2001-12-27 Alpha Food Corps beef threshold 85.00
选项2:滚动平均
df = pd.read_csv('data/so_data/2020-08-03 63239708/mydf.csv', parse_dates=['date'])
df['expected_price'] = df['price']*76/df['threshold']
df = df.set_index('date')
dfl = df.groupby(['dealer', 'protein_type'])[['expected_price', 'price']].rolling(7).mean().stack().reset_index().rename(columns={'level_3': 'cats', 0: 'values'})
选项1:两个图表
'dealer'
数据太相似,无法区分(有价格勾结的可能性吗?)
for pt in dfl.protein_type.unique():
plt.figure(figsize=(9, 5))
data = dfl[dfl.protein_type == pt]
sns.lineplot('date', 'values', data=data, hue='cats', style='dealer')
plt.xlim(datetime(2001, 11, 1), datetime(2004, 8, 1))
plt.yscale('log')
plt.title(pt)
plt.legend(bbox_to_anchor=(1.04,0.5), loc="center left", borderaxespad=0)
![在此输入图片描述](https://istack.dev59.com/aM8QW.webp)
- 即使只有
'price'
和'expected_price'
,也无法确定'dealer'
。
![在此输入图片描述](https://istack.dev59.com/2Qdag.webp)
选项 2:四个图
g = sns.FacetGrid(data=dfl, col='dealer', row='protein_type', hue='cats', height=5, aspect=1.5)
g.map(sns.lineplot, 'date', 'values').add_legend()
plt.yscale('log')
g.set_xticklabels(rotation=90)
![这里输入图片描述](https://istack.dev59.com/3JySU.webp)
![这里输入图片描述](https://istack.dev59.com/hMYs1.webp)
嵌套循环
- 此代码段将生成一个由4个数字组成的列,首先选择
dealer
,然后选择protein_type
。
- 可选地,可以交换
dealer
和protein
的顺序。
for d in dfl.dealer.unique():
for pt in dfl.protein_type.unique():
plt.figure(figsize=(10, 5))
data = dfl[(dfl.protein_type == pt) & (dfl.dealer == d)]
sns.lineplot('date', 'values', data=data, hue='cats')
plt.xlim(datetime(2001, 11, 1), datetime(2004, 8, 1))
plt.yscale('log')
plt.title(f'{d}: {pt}')
plt.legend(bbox_to_anchor=(1.04,0.5), loc="center left", borderaxespad=0)
CSV 示例:
date,dealer,threshold,quantity,price,protein_type,destination
2001-12-22,Alpha Food Corps,50,39037,0.5,chicken,UK
2001-12-27,Alpha Food Corps,85,35432,1.8,beef,UK
2001-12-29,Alpha Food Corps,50,32142,0.5,chicken,UK
2001-12-30,Alpha Food Corps,85,34516,1.8,beef,UK
2002-01-02,Alpha Food Corps,85,39930,1.8,beef,UK
2002-01-04,Alpha Food Corps,85,40709,1.8,beef,UK
2002-01-08,Alpha Food Corps,94,37641,2.2,beef,UK
2002-01-08,Alpha Food Corps,85,37545,1.8,beef,UK
2002-01-08,Alpha Food Corps,85,37564,1.8,beef,UK
2002-01-08,Alpha Food Corps,85,37607,1.8,beef,UK
2002-01-08,Alpha Food Corps,85,41706,1.8,beef,UK
2002-01-08,Alpha Food Corps,90,41628,2.1,beef,UK
2002-01-08,Alpha Food Corps,65,35720,0.9,chicken,UK
2002-01-09,Alpha Food Corps,94,1581,2.2,beef,UK
2002-01-09,Alpha Food Corps,85,11426,1.8,beef,UK
2002-01-09,Alpha Food Corps,85,37489,1.8,beef,UK
2002-01-09,Alpha Food Corps,90,15630,2.1,beef,UK
2002-01-09,Alpha Food Corps,80,3136,1.6,beef,UK
2002-01-10,Alpha Food Corps,85,41919,1.8,beef,UK
2002-01-10,Alpha Food Corps,90,39932,2.1,beef,UK
2002-01-10,Alpha Food Corps,90,41665,2.1,beef,UK
2002-01-10,Alpha Food Corps,90,41860,2.1,beef,UK
2002-01-10,Alpha Food Corps,65,39879,0.9,chicken,UK
2002-01-10,Alpha Food Corps,65,39884,0.9,chicken,UK
2002-01-11,Alpha Food Corps,90,37613,2.1,beef,UK
2002-01-12,Alpha Food Corps,90,41855,2.1,beef,UK
2002-01-13,Alpha Food Corps,90,37585,2.1,beef,UK
2002-01-15,Alpha Food Corps,85,41618,1.8,beef,UK
2002-01-15,Alpha Food Corps,85,41721,1.8,beef,UK
2002-01-15,Alpha Food Corps,85,41869,1.8,beef,UK
2002-01-15,Alpha Food Corps,85,41990,1.8,beef,UK
2002-01-15,Alpha Food Corps,90,41744,2.1,beef,UK
2002-01-15,Alpha Food Corps,90,41936,2.1,beef,UK
2002-01-15,Alpha Food Corps,65,41684,1.0,chicken,UK
2002-01-15,Alpha Food Corps,65,41776,1.0,chicken,UK
2002-01-16,Alpha Food Corps,94,35891,2.2,beef,UK
2002-01-16,Alpha Food Corps,85,39985,1.8,beef,UK
2002-01-16,Alpha Food Corps,85,41754,1.8,beef,UK
2002-01-16,Alpha Food Corps,85,41811,1.8,beef,UK
2002-01-16,Alpha Food Corps,90,39838,2.1,beef,UK
2002-01-16,Alpha Food Corps,80,3244,1.7,beef,UK
2002-01-17,Alpha Food Corps,94,22245,2.2,beef,UK
2002-01-17,Alpha Food Corps,85,5186,1.8,beef,UK
2002-01-17,Alpha Food Corps,90,2016,2.1,beef,UK
2002-01-17,Alpha Food Corps,90,40875,2.1,beef,UK
2002-01-17,Alpha Food Corps,65,41440,1.0,chicken,UK
2002-01-18,Alpha Food Corps,94,12525,2.2,beef,UK
2002-01-18,Alpha Food Corps,94,31325,2.2,beef,UK
2002-01-18,Alpha Food Corps,85,15486,1.8,beef,UK
2002-01-18,Alpha Food Corps,85,29992,1.8,beef,UK
2002-01-18,Alpha Food Corps,85,39938,1.8,beef,UK
2002-01-18,Alpha Food Corps,85,41777,1.8,beef,UK
2002-01-18,Alpha Food Corps,90,9475,2.1,beef,UK
2002-01-18,Alpha Food Corps,90,9960,2.1,beef,UK
2002-01-18,Alpha Food Corps,90,41676,2.1,beef,UK
2002-01-18,Alpha Food Corps,90,41816,2.1,beef,UK
2002-01-18,Alpha Food Corps,90,42036,2.1,beef,UK
2002-01-18,Alpha Food Corps,65,41673,1.0,chicken,UK
2002-01-19,Alpha Food Corps,85,19961,1.8,beef,UK
2002-01-19,Alpha Food Corps,90,19955,2.1,beef,UK
2002-01-19,Alpha Food Corps,90,40437,2.1,beef,UK
2002-01-19,Alpha Food Corps,65,41574,1.0,chicken,UK
2002-01-19,Alpha Food Corps,65,41700,1.0,chicken,UK
2002-01-20,Alpha Food Corps,94,23278,2.2,beef,UK
2002-01-20,Alpha Food Corps,85,9230,1.8,beef,UK
2002-01-20,Alpha Food Corps,85,38842,1.8,beef,UK
2002-01-20,Alpha Food Corps,90,9173,2.1,beef,UK
2002-01-20,Alpha Food Corps,90,38608,2.1,beef,UK
2002-01-20,Alpha Food Corps,50,39191,0.8,chicken,UK
2002-01-22,Alpha Food Corps,94,41741,2.2,beef,UK
2002-01-22,Alpha Food Corps,85,39879,1.8,beef,UK
2002-01-22,Alpha Food Corps,85,41683,1.8,beef,UK
2002-01-22,Alpha Food Corps,85,41958,1.8,beef,UK
2002-01-22,Alpha Food Corps,90,41833,2.1,beef,UK
2002-01-23,Alpha Food Corps,94,20294,2.2,beef,UK
2002-01-23,Alpha Food Corps,85,15553,1.8,beef,UK
2002-01-23,Alpha Food Corps,85,40753,1.8,beef,UK
2002-01-23,Alpha Food Corps,85,41740,1.8,beef,UK
2002-01-23,Alpha Food Corps,90,1892,2.1,beef,UK
2002-01-23,Alpha Food Corps,90,39850,2.1,beef,UK
2002-01-23,Alpha Food Corps,80,3231,1.7,beef,UK
2002-01-23,Alpha Food Corps,65,41415,1.1,chicken,UK
2002-01-24,Alpha Food Corps,90,35473,2.1,beef,UK
2002-01-24,Alpha Food Corps,90,41824,2.1,beef,UK
2002-01-24,Alpha Food Corps,65,41721,1.1,chicken,UK
2002-01-25,Alpha Food Corps,85,19983,1.8,beef,UK
2002-01-25,Alpha Food Corps,85,35823,1.8,beef,UK
2002-01-25,Alpha Food Corps,90,19949,2.1,beef,UK
2002-01-25,Alpha Food Corps,90,41800,2.1,beef,UK
2002-01-25,Alpha Food Corps,65,40990,1.1,chicken,UK
2002-01-26,Alpha Food Corps,90,39938,2.1,beef,UK
2002-01-26,Alpha Food Corps,90,40641,2.1,beef,UK
2002-01-26,Alpha Food Corps,90,41550,2.1,beef,UK
2002-01-27,Alpha Food Corps,94,16589,2.2,beef,UK
2002-01-27,Alpha Food Corps,85,11669,1.8,beef,UK
2002-01-27,Alpha Food Corps,90,24982,2.1,beef,UK
2002-01-27,Alpha Food Corps,65,29819,1.1,chicken,UK
2002-01-29,Alpha Food Corps,94,37516,2.2,beef,UK
2002-01-29,Alpha Food Corps,85,37378,1.8,beef,UK
2002-01-29,Alpha Food Corps,85,37535,1.8,beef,UK
2002-01-29,Alpha Food Corps,85,40174,1.8,beef,UK
2002-01-29,Alpha Food Corps,90,37831,2.1,beef,UK
2002-01-30,Alpha Food Corps,94,34435,2.2,beef,UK
2002-01-30,Alpha Food Corps,94,39640,2.2,beef,UK
2002-01-30,Alpha Food Corps,85,1619,1.8,beef,UK
2002-01-30,Alpha Food Corps,85,3058,1.8,beef,UK
2002-01-30,Alpha Food Corps,85,20929,1.8,beef,UK
2002-01-30,Alpha Food Corps,90,3641,2.1,beef,UK
2002-01-30,Alpha Food Corps,90,20974,2.1,beef,UK
2002-01-30,Alpha Food Corps,90,31160,2.1,beef,UK
2002-01-30,Alpha Food Corps,92,38189,2.3,beef,UK
2002-01-31,Alpha Food Corps,94,8804,2.2,beef,UK
2002-01-31,Alpha Food Corps,85,17398,1.8,beef,UK
2002-01-31,Alpha Food Corps,90,13963,2.1,beef,UK
2002-01-31,Alpha Food Corps,90,37673,2.1,beef,UK
2002-01-31,Alpha Food Corps,90,40330,2.1,beef,UK
2002-01-31,Alpha Food Corps,90,40511,2.2,beef,UK
2002-01-31,Alpha Food Corps,80,38290,1.9,beef,UK
2002-01-31,Alpha Food Corps,92,37193,2.3,beef,UK
2002-02-01,Alpha Food Corps,94,5011,2.2,beef,UK
2002-02-01,Alpha Food Corps,85,18783,1.8,beef,UK
2002-02-01,Alpha Food Corps,85,41827,1.8,beef,UK
2002-02-01,Alpha Food Corps,90,16394,2.1,beef,UK
2002-02-01,Alpha Food Corps,90,23013,2.1,beef,UK
2002-02-01,Alpha Food Corps,90,39923,2.1,beef,UK
2002-02-01,Alpha Food Corps,90,41417,2.1,beef,UK
2002-02-01,Alpha Food Corps,80,15592,1.7,beef,UK
2002-02-01,Alpha Food Corps,80,38364,1.9,beef,UK
2002-02-01,Alpha Food Corps,92,37605,2.3,beef,UK
2002-02-01,Alpha Food Corps,92,39234,2.3,beef,UK
2002-02-02,Alpha Food Corps,90,34578,2.1,beef,UK
2002-02-02,Alpha Food Corps,90,41661,2.1,beef,UK
2002-02-02,Alpha Food Corps,80,3157,1.7,beef,UK
2002-02-02,Alpha Food Corps,65,41272,1.2,chicken,UK
2002-02-02,Alpha Food Corps,65,41503,1.2,chicken,UK
2002-02-02,Alpha Food Corps,92,36207,2.3,beef,UK
2002-02-05,Alpha Food Corps,94,41559,2.2,beef,UK
2002-02-05,Alpha Food Corps,85,41549,1.8,beef,UK
2002-02-05,Alpha Food Corps,85,41753,1.8,beef,UK
2002-02-05,Alpha Food Corps,85,41908,1.8,beef,UK
2002-02-05,Alpha Food Corps,90,39813,2.1,beef,UK
2002-02-05,Alpha Food Corps,90,41526,2.1,beef,UK
2002-02-05,German Food Corps,80,36031,1.9,beef,UK
2002-02-05,German Food Corps,50,38538,0.9,chicken,UK
2002-02-05,Alpha Food Corps,50,38772,0.9,chicken,UK
2002-02-05,German Food Corps,50,39099,0.9,chicken,UK
2002-02-05,German Food Corps,50,39132,0.9,chicken,UK
2002-02-05,German Food Corps,50,39207,0.9,chicken,UK
2002-02-06,Alpha Food Corps,85,41947,1.8,beef,UK
2002-02-06,German Food Corps,80,37287,1.9,beef,UK
2002-02-06,Alpha Food Corps,89,43201,2.1,beef,UK
2002-02-06,German Food Corps,50,38553,0.9,chicken,UK
2002-02-06,German Food Corps,50,38837,0.9,chicken,UK
2002-02-06,Alpha Food Corps,50,38985,0.9,chicken,UK
2002-02-06,German Food Corps,65,40386,1.4,chicken,UK
2002-02-06,Alpha Food Corps,65,41851,1.2,chicken,UK
2002-02-06,Alpha Food Corps,92,38405,2.3,beef,UK
2002-02-06,German Food Corps,73,37731,1.5,chicken,UK
2002-02-07,Alpha Food Corps,85,41097,1.9,beef,UK
2002-02-07,Alpha Food Corps,90,39582,2.1,beef,UK
2002-02-07,German Food Corps,65,38832,1.4,chicken,UK
2002-02-07,German Food Corps,50,39269,0.9,chicken,UK
2002-02-07,German Food Corps,50,40129,0.9,chicken,UK
2002-02-07,German Food Corps,50,41124,0.8,chicken,UK
2002-02-07,German Food Corps,65,41739,1.2,chicken,UK
2002-02-08,Alpha Food Corps,85,20034,1.8,beef,UK
2002-02-08,German Food Corps,85,33503,1.9,beef,UK
2002-02-08,German Food Corps,85,40780,1.9,beef,UK
2002-02-08,Alpha Food Corps,90,19913,2.1,beef,UK
2002-02-08,Alpha Food Corps,90,36682,2.1,beef,UK
2002-02-08,Alpha Food Corps,90,41624,2.1,beef,UK
2002-02-08,German Food Corps,65,37503,1.4,chicken,UK
2002-02-08,German Food Corps,50,38973,0.9,chicken,UK
2002-02-08,German Food Corps,50,39069,0.9,chicken,UK
2002-02-08,German Food Corps,50,40697,0.9,chicken,UK
2002-02-08,German Food Corps,92,36103,2.3,beef,UK
2002-02-08,Alpha Food Corps,92,38278,2.3,beef,UK
2002-02-09,Alpha Food Corps,90,39842,2.1,beef,UK
2002-02-09,Alpha Food Corps,90,16553,2.3,beef,UK
2002-02-09,Alpha Food Corps,80,18739,1.9,beef,UK
2002-02-09,German Food Corps,80,36349,1.9,beef,UK
2002-02-09,German Food Corps,65,35238,1.4,chicken,UK
2002-02-09,German Food Corps,50,38391,0.9,chicken,UK
2002-02-09,Alpha Food Corps,50,38819,0.9,chicken,UK
2002-02-09,German Food Corps,50,41691,0.9,chicken,UK
2002-02-09,Alpha Food Corps,92,40245,2.3,beef,UK
2002-02-09,German Food Corps,73,37323,1.5,chicken,UK
2002-02-09,German Food Corps,90,40312,2.2,beef,UK
2002-02-10,Alpha Food Corps,90,42108,2.1,beef,UK
2002-02-10,German Food Corps,65,37831,1.4,chicken,UK
2002-02-11,Alpha Food Corps,50,38591,0.9,chicken,UK
2002-02-12,Alpha Food Corps,94,41559,2.3,beef,UK
2002-02-12,Alpha Food Corps,85,40968,1.8,beef,UK
2002-02-12,Alpha Food Corps,85,41985,1.8,beef,UK
2002-02-12,German Food Corps,50,38931,0.9,chicken,UK
2002-02-12,German Food Corps,50,38986,0.9,chicken,UK
2002-02-12,German Food Corps,92,39684,2.3,beef,UK
2002-02-12,German Food Corps,73,36619,1.5,chicken,UK
2002-02-13,Alpha Food Corps,85,41291,1.8,beef,UK
2002-02-13,Alpha Food Corps,85,41892,1.8,beef,UK