pyecharts介绍
pyecharts 是一个用于生成 Echarts 图表的类库。Echarts 是百度开源的一个数据可视化 JS 库。用 Echarts 生成的图可视化效果非常棒
为避免绘制缺漏,建议全部安装
为了避免下载缓慢,作者全部使用镜像源下载过了
1 2 3 4 5 6 | pip install - i https: / / pypi.tuna.tsinghua.edu.cn / simple / echarts - countries - pypkg pip install - i https: / / pypi.tuna.tsinghua.edu.cn / simple / echarts - china - provinces - pypkg pip install - i https: / / pypi.tuna.tsinghua.edu.cn / simple / echarts - china - cities - pypkg pip install - i https: / / pypi.tuna.tsinghua.edu.cn / simple / echarts - china - counties - pypkg pip install - i https: / / pypi.tuna.tsinghua.edu.cn / simple / echarts - china - misc - pypkg pip install - i https: / / pypi.tuna.tsinghua.edu.cn / simple / echarts - united - kingdom - pypkg |
基础案例
1 2 3 4 5 6 7 8 9 | from pyecharts.charts import Bar bar = Bar() bar.add_xaxis([ '小嘉' , '小琪' , '大嘉琪' , '小嘉琪' ]) bar.add_yaxis( '得票数' ,[ 60 , 60 , 70 , 100 ]) #render会生成本地HTML文件,默认在当前目录生成render.html # bar.render() #可以传入路径参数,如 bar.render("mycharts.html") #可以将图形在jupyter中输出,如 bar.render_notebook() bar.render_notebook() |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | from pyecharts.charts import Bar from pyecharts import options as opts # 示例数据 cate = [ 'Apple' , 'Huawei' , 'Xiaomi' , 'Oppo' , 'Vivo' , 'Meizu' ] data1 = [ 123 , 153 , 89 , 107 , 98 , 23 ] data2 = [ 56 , 77 , 93 , 68 , 45 , 67 ] # 1.x版本支持链式调用 bar = (Bar() .add_xaxis(cate) .add_yaxis( '渠道' , data1) .add_yaxis( '门店' , data2) .set_global_opts(title_opts = opts.TitleOpts(title = "示例" , subtitle = "副标" )) ) bar.render_notebook() |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | from pyecharts.charts import Pie from pyecharts import options as opts # 示例数据 cate = [ 'Apple' , 'Huawei' , 'Xiaomi' , 'Oppo' , 'Vivo' , 'Meizu' ] data = [ 153 , 124 , 107 , 99 , 89 , 46 ] pie = (Pie() .add('', [list(z) for z in zip(cate, data)], radius = [ "30%" , "75%" ], rosetype = "radius" ) .set_global_opts(title_opts = opts.TitleOpts(title = "Pie-基本示例" , subtitle = "我是副标题" )) .set_series_opts(label_opts = opts.LabelOpts(formatter = "{b}: {d}%" )) ) pie.render_notebook() |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | from pyecharts.charts import Line from pyecharts import options as opts # 示例数据 cate = [ 'Apple' , 'Huawei' , 'Xiaomi' , 'Oppo' , 'Vivo' , 'Meizu' ] data1 = [ 123 , 153 , 89 , 107 , 98 , 23 ] data2 = [ 56 , 77 , 93 , 68 , 45 , 67 ] """ 折线图示例: 1. is_smooth 折线 OR 平滑 2. markline_opts 标记线 OR 标记点 """ line = (Line() .add_xaxis(cate) .add_yaxis( '电商渠道' , data1, markline_opts = opts.MarkLineOpts(data = [opts.MarkLineItem(type_ = "average" )])) .add_yaxis( '门店' , data2, is_smooth = True , markpoint_opts = opts.MarkPointOpts(data = [opts.MarkPointItem(name = "自定义标记点" , coord = [cate[ 2 ], data2[ 2 ]], value = data2[ 2 ])])) .set_global_opts(title_opts = opts.TitleOpts(title = "Line-基本示例" , subtitle = "我是副标题" )) ) line.render_notebook() |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | from pyecharts import options as opts from pyecharts.charts import Geo from pyecharts.globals import ChartType import random province = [ '福州市' , '莆田市' , '泉州市' , '厦门市' , '漳州市' , '龙岩市' , '三明市' , '南平' ] data = [(i, random.randint( 200 , 550 )) for i in province] geo = (Geo() .add_schema(maptype = "福建" ) .add( "门店数" , data, type_ = ChartType.HEATMAP) .set_series_opts(label_opts = opts.LabelOpts(is_show = False )) .set_global_opts( visualmap_opts = opts.VisualMapOpts(), legend_opts = opts.LegendOpts(is_show = False ), title_opts = opts.TitleOpts(title = "福建热力地图" )) ) geo.render_notebook() |
啊哈这个还访问不了哈
ImportError: Missing optional dependency ‘xlrd'. Install xlrd >= 1.0.0 for Excel support Use pip or conda to install xlrd.
20200822pyecharts+pandas 初步学习
作者今天学习做数据分析,有错误请指出
下面贴出源代码
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | # 获取数据 import requests import json #foreign_url = 'https://view.inews.qq.com/g2/getOnsInfo?name=disease_foreign' headers = { 'User-Agent' : 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Safari/537.36 Edg/84.0.522.59' , } #获取json数据 response = requests.get(url = china_url,headers = headers).json() print (response) #先将json数据转 python的字典 data = json.loads(response[ 'data' ]) #保存数据 这里使用encoding='utf-8' 是因为作者想在jupyter上面看 with open( './国内疫情.json' , 'w' ,encoding = 'utf-8' ) as f: #再将python的字典转json数据 # json默认中文以ASCII码显示 在这里我们以中文显示 所以False #indent=2:开头空格2 f.write(json.dumps(data,ensure_ascii = False ,indent = 2 )) |
转换为json格式输出的文件
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | # 将json数据转存到Excel中 import pandas as pd #读取文件 with open( './国内疫情.json' ,encoding = 'utf-8' ) as f: data = f.read() #将数据转为python数据格式 data = json.loads(data) type(data) #字典类型 lastUpdateTime = data[ 'lastUpdateTime' ] #获取中国所有数据 chinaAreaDict = data[ 'areaTree' ][ 0 ] #获取省级数据 provinceList = chinaAreaDict[ 'children' ] # 获取的数据有几个省市和地区 print ( '数据共有:' ,len(provinceList), '省市和地区' ) #将中国数据按城市封装,例如【{湖北,武汉},{湖北,襄阳}】,为了方便放在dataframe中 china_citylist = [] for x in range(len(provinceList)): # 每一个省份的数据 province = provinceList[x][ 'name' ] #有多少个市 province_list = provinceList[x][ 'children' ] for y in range(len(province_list)): # 每一个市的数据 city = province_list[y][ 'name' ] # 累积所有的数据 total = province_list[y][ 'total' ] # 今日的数据 today = province_list[y][ 'today' ] china_dict = { '省份' :province, '城市' :city, 'total' :total, 'today' :today } china_citylist.append(china_dict) chinaTotaldata = pd.DataFrame(china_citylist) nowconfirmlist = [] confirmlist = [] suspectlist = [] deadlist = [] heallist = [] deadRatelist = [] healRatelist = [] # 将整体数据chinaTotaldata的数据添加dataframe for value in chinaTotaldata[ 'total' ] .values.tolist(): #转成列表 confirmlist.append(value[ 'confirm' ]) suspectlist.append(value[ 'suspect' ]) deadlist.append(value[ 'dead' ]) heallist.append(value[ 'heal' ]) deadRatelist.append(value[ 'deadRate' ]) healRatelist.append(value[ 'healRate' ]) nowconfirmlist.append(value[ 'nowConfirm' ]) chinaTotaldata[ '现有确诊' ] = nowconfirmlist chinaTotaldata[ '累计确诊' ] = confirmlist chinaTotaldata[ '疑似' ] = suspectlist chinaTotaldata[ '死亡' ] = deadlist chinaTotaldata[ '治愈' ] = heallist chinaTotaldata[ '死亡率' ] = deadRatelist chinaTotaldata[ '治愈率' ] = healRatelist #拆分today列 today_confirmlist = [] today_confirmCutlist = [] for value in chinaTotaldata[ 'today' ].values.tolist(): today_confirmlist.append(value[ 'confirm' ]) today_confirmCutlist.append(value[ 'confirmCuts' ]) chinaTotaldata[ '今日确诊' ] = today_confirmlist chinaTotaldata[ '今日死亡' ] = today_confirmCutlist #删除total列 在原有的数据基础 chinaTotaldata.drop([ 'total' , 'today' ],axis = 1 ,inplace = True ) # 将其保存到excel中 from openpyxl import load_workbook book = load_workbook( '国内疫情.xlsx' ) # 避免了数据覆盖 writer = pd.ExcelWriter( '国内疫情.xlsx' ,engine = 'openpyxl' ) writer.book = book writer.sheets = dict((ws.title,ws) for ws in book.worksheets) chinaTotaldata.to_excel(writer,index = False ) writer.save() writer.close() chinaTotaldata |
作者这边还有国外的,不过没打算分享出来,大家就看看,总的来说我们国内情况还是非常良好的
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