10.4.1 漣漪散點圖及其參數配置
漣漪散點圖是一類特殊的散點圖,只是散點圖中帶有漣漪特效,利用特效可以突出顯示某些想要的數據。
10.4.2 不同收入等級客戶價值分析
爲了分析該企業不同收入等級客戶的價值,繪製了不同等級客戶的漣漪散點圖,Python代碼如下:
# -*- coding: utf-8 -*-
#聲明Notebook類型,必須在引入pyecharts.charts等模塊前聲明
from pyecharts.globals import CurrentConfig, NotebookType
CurrentConfig.NOTEBOOK_TYPE = NotebookType.JUPYTER_LAB
from pyecharts import options as opts
from pyecharts.charts import EffectScatter, Page
from pyecharts.globals import SymbolType
from impala.dbapi import connect
#提取Hadoop集羣數據
v1 = []
v2 = []
conn = connect(host='192.168.1.7', port=10000, database='sales',auth_mechanism='NOSASL',user='root')
cur = conn.cursor()
sql_num = "SELECT income,ROUND(SUM(sales/10000),2) FROM customers,orders WHERE customers.cust_id=orders.cust_id and dt=2019 GROUP BY income"
cur.execute(sql_num)
sh = cur.fetchall()
for s in sh:
v1.append(s[0])
v2.append(s[1])
def effectscatter_splitline() -> EffectScatter:
c = (
EffectScatter()
.add_xaxis(v1)
.add_yaxis("", v2, symbol=SymbolType.ARROW)
.set_global_opts(
title_opts=opts.TitleOpts(title="不同收入等級客戶的價值分析", subtitle="2019年企業經營現狀"),
xaxis_opts=opts.AxisOpts(splitline_opts=opts.SplitLineOpts(is_show=True)),
yaxis_opts=opts.AxisOpts(splitline_opts=opts.SplitLineOpts(is_show=True)),
toolbox_opts=opts.ToolboxOpts(),
legend_opts=opts.LegendOpts(is_show=True)
)
)
return c
#第一次渲染時候調用load_javasrcript文件
effectscatter_splitline().load_javascript()
#展示數據可視化圖表
effectscatter_splitline().render_notebook()
在Jupyter lab中運行上述代碼,生成如圖10-4所示的漣漪散點圖。
圖10-4 客戶價值分析