Python数据可视

1.显现用到的包

Pyecharts 是一个用于生成 Echarts 图表的类库。常规的Echarts 是由百度开源的一个数据可视化 JS 库，主要用于数据可视化。简单来说，Pyecharts是一款将python与echarts结合的强大的数据可视化工具。

使用 Pyecharts 可以生成独立的网页，也可以在 flask , Django 中集成使用。

项目源码：
https://github.com/pyecharts/pyecharts

2.Pyecharts安装

# 安装 v1 以上版本
$ pip install pyecharts -U

# 如果需要安装 0.5.11 版本的开发者，可以使用
# pip install pyecharts==0.5.11

PS: 这里要专门说明一下，自从 0.3.2 开始，为了缩减项目本身的体积以及维持 pyecharts 项目的轻量化运行，pyecharts 将不再自带地图 js 文件。如用户需要用到地图图表（Geo、Map），可自行安装对应的地图文件包。

# 通过pip命令进行安装
pip install echarts-countries-pypkg
pip install echarts-china-provinces-pypkg
pip install echarts-china-cities-pypkg

3.实践

1.柱状图

from pyecharts.charts import Bar
from pyecharts import options as opts

# V1 版本开始支持链式调用
bar = (
    Bar()
    .add_xaxis(["衬衫", "毛衣", "领带", "裤子", "风衣", "高跟鞋", "袜子"])
    .add_yaxis("商家A", [114, 55, 27, 101, 125, 27, 105])
    .add_yaxis("商家B", [57, 134, 137, 129, 145, 60, 49])
    .set_global_opts(title_opts=opts.TitleOpts(title="某商场销售情况"))
)
bar.render()

image.png

2.Pie饼状图

from pyecharts import options as opts
from pyecharts.charts import Pie
from pyecharts.faker import Faker

pie = (
    Pie()
    .add("", [list(z) for z in zip(Faker.choose(), Faker.values())])
    .set_colors(["blue", "green", "yellow", "red", "pink", "orange", "purple"])
    .set_global_opts(title_opts=opts.TitleOpts(title="Pie-设置颜色"))
    .set_series_opts(label_opts=opts.LabelOpts(formatter="{b}: {c}"))
)

pie.render()

image.png

4. 仪表盘

from pyecharts import options as opts
from pyecharts.charts import Gauge

g = (
    Gauge()
    .add("", [("完成率", 99.6)])
    .set_global_opts(title_opts=opts.TitleOpts(title="Gauge-基本示例"))

)
g.render()

image.png

5.折线图

import pyecharts.options as opts
from pyecharts.charts import Line
from pyecharts.faker import Faker

c = (
  Line()
  .add_xaxis(Faker.choose())
  .add_yaxis("商家A", Faker.values(), is_smooth=True)
  .add_yaxis("商家B", Faker.values(), is_smooth=True)
  .set_global_opts(title_opts=opts.TitleOpts(title="Line-smooth"))

)
c.render()

image.png

6.K线图

from pyecharts import options as opts
from pyecharts.charts import Kline

data = [
    [2320.26, 2320.26, 2287.3, 2362.94],
    [2300, 2291.3, 2288.26, 2308.38],
    [2295.35, 2346.5, 2295.35, 2345.92],
    [2347.22, 2358.98, 2337.35, 2363.8],
    [2360.75, 2382.48, 2347.89, 2383.76],
    [2383.43, 2385.42, 2371.23, 2391.82],
    [2377.41, 2419.02, 2369.57, 2421.15],
    [2425.92, 2428.15, 2417.58, 2440.38],
    [2411, 2433.13, 2403.3, 2437.42],
    [2432.68, 2334.48, 2427.7, 2441.73],
    [2430.69, 2418.53, 2394.22, 2433.89],
    [2416.62, 2432.4, 2414.4, 2443.03],
    [2441.91, 2421.56, 2418.43, 2444.8],
    [2420.26, 2382.91, 2373.53, 2427.07],
    [2383.49, 2397.18, 2370.61, 2397.94],
    [2378.82, 2325.95, 2309.17, 2378.82],
    [2322.94, 2314.16, 2308.76, 2330.88],
    [2320.62, 2325.82, 2315.01, 2338.78],
    [2313.74, 2293.34, 2289.89, 2340.71],
    [2297.77, 2313.22, 2292.03, 2324.63],
    [2322.32, 2365.59, 2308.92, 2366.16],
    [2364.54, 2359.51, 2330.86, 2369.65],
    [2332.08, 2273.4, 2259.25, 2333.54],
    [2274.81, 2326.31, 2270.1, 2328.14],
    [2333.61, 2347.18, 2321.6, 2351.44],
    [2340.44, 2324.29, 2304.27, 2352.02],
    [2326.42, 2318.61, 2314.59, 2333.67],
    [2314.68, 2310.59, 2296.58, 2320.96],
    [2309.16, 2286.6, 2264.83, 2333.29],
    [2282.17, 2263.97, 2253.25, 2286.33],
    [2255.77, 2270.28, 2253.31, 2276.22],
]


k = (
    Kline()
    .add_xaxis(["2017/7/{}".format(i + 1) for i in range(31)])
    .add_yaxis("k线图", data)
    .set_global_opts(
        yaxis_opts=opts.AxisOpts(is_scale=True),
        xaxis_opts=opts.AxisOpts(is_scale=True),
        title_opts=opts.TitleOpts(title="K线图-基本示例"),
    )

)
k.render()

image.png

7.地图

from pyecharts import options as opts
from pyecharts.charts import Map
from pyecharts.faker import Faker

map = (
    Map()
    .add("中国地图", [list(z) for z in zip(Faker.provinces, Faker.values())], "china")
    .set_global_opts(title_opts=opts.TitleOpts(title="Map-基本示例"))
)
map.render()

image.png