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  • 来自专栏素质云笔记

    预算分配Budget Allocation:Morphl-AI的营销科学解决方案(一)

    Budget allocation - pseudo-revenue - first-revenue assumption - regressions 用上了回归模型来计算,Revenue~cost 举例了两种做法 = {} predictions_cost_revenue = {} errors_cost_revenue = {} displayDf = pd.DataFrame() res_cost_revenue [k][Revenue_col]) predictions_cost_revenue[k] = model_cost_revenue[k].predict(valData[k][Cost_col ]) errors_cost_revenue[k] = errorL1(predictions_cost_revenue[k], valData[k][Revenue_col]) res_cost_revenue.append [k][Revenue_col].sum(), \ model_sessions_revenue[k].param, errors_sessions_revenue[k]

    1.1K20编辑于 2021-12-07
  • 来自专栏信息技术智库

    「SQL面试题库」 No_75 重新格式化部门表

    | Feb_Revenue | Mar_Revenue | ... | Dec_Revenue | +------+-------------+-------------+-------------+ Feb' THEN revenue END) Feb_Revenue, SUM(CASE `month` WHEN 'Mar' THEN revenue END) Mar_Revenue, SUM(CASE `month` WHEN 'Apr' THEN revenue END) Apr_Revenue, SUM(CASE `month` WHEN 'May' THEN revenue END) May_Revenue Sep' THEN revenue END) Sep_Revenue, SUM(CASE `month` WHEN 'Oct' THEN revenue END) Oct_Revenue, SUM(CASE `month` WHEN 'Nov' THEN revenue END) Nov_Revenue, SUM(CASE `month` WHEN 'Dec' THEN revenue END) Dec_Revenue

    41720编辑于 2023-05-23
  • 来自专栏Michael阿明学习之路

    LeetCode MySQL 1179. 重新格式化部门表

    | Feb_Revenue | Mar_Revenue | ... | Dec_Revenue | +------+-------------+-------------+-------------+ = 'Apr' then revenue else null end) as Apr_Revenue, sum(case when month = 'May' then revenue else null end) as May_Revenue, sum(case when month = 'Jun' then revenue else null end) as Jun_Revenue = 'Aug' then revenue else null end) as Aug_Revenue, sum(case when month = 'Sep' then revenue else null end) as Sep_Revenue, sum(case when month = 'Oct' then revenue else null end) as Oct_Revenue

    93110发布于 2021-02-19
  • 来自专栏数据小魔方

    R语言可视化——图表美化与套用主题(下)

    ggplot(data,aes(reorder(conpany,-Revenue),Revenue))+geom_bar(stat="identity")+labs(x="Company",y="The 主题:theme_wsj() ggplot(data,aes(reorder(conpany,-Revenue),Revenue))+geom_bar(stat="identity")+labs(x= 主题+颜色主题:theme_wsj()+scale_fill_wsj("rgby", "") ggplot(data,aes(reorder(conpany,-Revenue),Revenue,fill 下面一个一个解决: ggplot(data,aes(reorder(conpany,-Revenue),Revenue,fill="steelbule"))+geom_bar(stat="identity 当然,如果我们找到了更好的一组配色,我们也可以仅仅使用华尔街日报的主题,而使用我们自己准备好的调色板: ggplot(data,aes(reorder(conpany,-Revenue),Revenue

    1.5K60发布于 2018-04-11
  • 使用 Vanna + Ollama + ChromaDB,实现 自然语言查询 / ChatBI

    ="查询2024年各部门总营业额") vn.train(sql="SELECT year, AVG(revenue_amount) as avg_revenue FROM revenue GROUP BY ELSE 0 END) as revenue_2023, SUM(CASE WHEN r.year = 2024 THEN r.revenue_amount ELSE 0 END) as revenue ELSE 0 END) as revenue_2023,\n SUM(CASE WHEN r.year = 2024 THEN r.revenue_amount ELSE 0 END) as revenue ELSE 0 END) as revenue_2023, SUM(CASE WHEN r.year = 2024 THEN r.revenue_amount ELSE 0 END) as revenue END) as revenue_2023, SUM(CASE WHEN r.year = 2024 THEN r.revenue_amount ELSE 0 END) as revenue_2024

    34910编辑于 2026-03-25
  • 来自专栏Hank’s Blog

    LeetCode SQL

    (IF (month = "Feb", revenue, null)) AS "Feb_Revenue", SUM(IF (month = "Mar", revenue, null)) AS "Mar_Revenue ", SUM(IF (month = "Apr", revenue, null)) AS "Apr_Revenue", SUM(IF (month = "May", revenue, null)) AS "May_Revenue", SUM(IF (month = "Jun", revenue, null)) AS "Jun_Revenue", SUM(IF (month = "Jul", revenue Sep", revenue, null)) AS "Sep_Revenue", SUM(IF (month = "Oct", revenue, null)) AS "Oct_Revenue", SUM( IF (month = "Nov", revenue, null)) AS "Nov_Revenue", SUM(IF (month = "Dec", revenue, null)) AS "Dec_Revenue

    38510发布于 2020-09-17
  • 来自专栏全栈程序员必看

    Mysql 行转列 + json

    SET @EE = ''; SET @str_tmp = ''; SET @Revenue_JSON = ''; SET @Revenue_JSON_tmp _', fsRevenueTypeName, ''',' ) AS aa , @Revenue_JSON := CONCAT ( @Revenue_JSON ,','',"' ,fsRevenueTypeName,'":'',' ,'revenue_',fsRevenueTypeName ) AS bb INTO @str_tmp ,4),','',"汇总":'',','revenue_汇总',',''}''') INTO @Revenue_JSON_tmp; SET @QQ = CONCAT( ' CREATE TEMPORARY TABLE TempRevenueType1 ( SELECT fsSellNo3,CONCAT(',@Revenue_JSON_tmp,') as revenue_info

    2.8K20编辑于 2022-09-05
  • 来自专栏nginx

    程序化广告ADX中的关键指标计算与优化策略

    = (impressions / 1000) * cpm revenue_from_clicks = clicks * cpc total_revenue = revenue_from_impressions + revenue_from_clicks return round(total_revenue, 2) # 示例数据 impressions = 500000 clicks = 10000 """ profit = revenue - cost profit_margin = (profit / revenue) * 100 if revenue ! = channel_cost * (1 - adx_fee_rate) return round(media_revenue, 2) media_revenue = calculate_media_revenue """ profit = revenue - cost profit_margin = (profit / revenue) * 100 if revenue !

    50710编辑于 2025-11-16
  • 来自专栏架构师修炼

    6亿数据秒级查询,ClickHouse太快了!

    查询性能测试详情 ①Query 1.1 SELECT sum(LO_EXTENDEDPRICE * LO_DISCOUNT) AS revenue FROM lineorder_flat WHERE ( ②Query 1.2 SELECT sum(LO_EXTENDEDPRICE * LO_DISCOUNT) AS revenue FROM lineorder_flat WHERE (toYYYYMM( ⑤Query 3.1 SELECT C_NATION, S_NATION, toYear(LO_ORDERDATE) AS year, sum(LO_REVENUE) ⑥Query 3.2 SELECT C_CITY, S_CITY, toYear(LO_ORDERDATE) AS year, sum(LO_REVENUE) AS revenue DESC ┌─C_CITY─────┬─S_CITY─────┬─year─┬────revenue─┐ │ UNITED ST6 │ UNITED ST6 │ 1992 │ 5694246807

    3.1K20发布于 2021-04-12
  • 来自专栏公众号:Lucifer三思而后行

    ⭐️ LeetCode解题系列 ⭐️ 1179. 重新格式化部门表(Oracle Pivot 行转列函数)

    编写一个 SQL 查询来重新格式化表,使得新的表中有一个部门 id 列和一些对应 每个月 的收入(revenue)列。 查询结果格式如下面的示例所示: Department 表: +------+---------+-------+ | id | revenue | month | +------+--------- | Feb_Revenue | Mar_Revenue | ... | Dec_Revenue | +------+-------------+-------------+-------------+ 执行 Pivot 行转列函数 根据题意:已确定需要查出的列为 ID 和 12个月份,月份列对应的 REVENUE 的值需要进行汇总 (SUM) 显示。 SELECT * FROM department PIVOT (SUM(revenue) as "Revenue" for month in ( 'Jan' as "Jan", 'Feb' as "Feb

    81010发布于 2021-08-17
  • 来自专栏信息技术智库

    【每日SQL打卡】​​​​​​​​​​​​​​​DAY 14丨重新格式化部门表【难度中等】

    --+---------+ | Column Name   | Type    | +---------------+---------+ | id            | int     | | revenue 编写一个 SQL 查询来重新格式化表,使得新的表中有一个部门 id 列和一些对应 每个月 的收入(revenue)列。 查询结果格式如下面的示例所示: Department 表: +------+---------+-------+ | id   | revenue | month | +------+--------- ---+ 查询得到的结果表: +------+-------------+-------------+-------------+-----+-------------+ | id   | Jan_Revenue  | Feb_Revenue | Mar_Revenue | ... | Dec_Revenue | +------+-------------+-------------+-------------+

    34030编辑于 2022-07-29
  • 来自专栏wayn的程序开发

    行转列不再复杂:SQL高手都在用的技巧揭秘

    一、行转列原理:从行到列的数学逻辑 问题场景: 假设有一张销售表 sales: year quarter revenue 2023 Q1 5000 2023 Q2 7000 2023 Q3 6000 2023 'THEN revenue ELSE0END) AS Q2, SUM(CASEWHENquarter = 'Q3'THEN revenue ELSE0END) AS Q3, SUM(CASEWHENquarter 自动聚合:SUM()会自动对每个季度的revenue求和。 优势: 简洁性:代码行数减少 60%。 可读性:逻辑更直观。 局限性: 不支持动态列:列名必须预先定义(如 Q1-Q4)。 (CASEWHENquarter = 'Q2'THEN revenue END) AS Q2, SUM(CASEWHENquarter = 'Q3'THEN revenue END) AS Q3, SUM (CASEWHENquarter = 'Q4'THEN revenue END) AS Q4, -- 计算累计值 SUM(revenue) OVER (PARTITIONBYyearORDERBYquarter

    2.2K10编辑于 2025-04-04
  • 来自专栏浊酒清味

    Python进阶之Pandas入门(四) 数据清理

    现在我们可以看到,我们的数据有128个revenue_millions缺失值和64个metascore缺失值。 让我们看看在revenue_millions列中输入缺失的值。 首先,我们将该列提取到它自己的变量: revenue = movies_df['revenue_millions'] 这里使用方括号是我们在DataFrame中选择列的一般方法。 这是平均值: revenue_mean = revenue.mean() print (revenue_mean) 运行结果: 82.95637614678897 有了均值,fillna()将会填充空值 : revenue.fillna(revenue_mean, inplace=True) 我们现在用列的平均值替换了所有的收益为空。

    2.4K60发布于 2020-02-10
  • 来自专栏程序猿人

    计算广告——收入分解

    下面对互联网广告的收入分解加以总结: Revenue = PV * eCPM PV(Page View): 是系统一天的访问量(有的媒体公司,广告和内容分开,PV则代表他们的广告曝光,访问量用request eCPM = CTR * ACP * 1000 Revenue = ACP * CLK CTR:点击率;点击率预估是一个广告投放引擎需要经常优化的模块; ACP:平均点击价格,ACP主要看市场和客户的成熟程度 ,广告效果好,竞争激烈的领域ACP就会高,ACP也可通过限制低价,甚至MRP的方式来控制提高; CLK :点击次数 Revenue = PV * CPM1 Revenue = PV * PVR * CPM3 Revenue = PV * PVR * ASN * CPM2 Revenue = PV * CTR1 * ACP Revenue = PV * PVR * CTR3 * ACP Revenue = = 有消费的客户数 * ARPU ARPU = 客户平均点击 * ACP ARPU(AVerage Revenue Per Users ): 每位客户的平均收入;

    6.4K21发布于 2020-08-11
  • 来自专栏bisal的个人杂货铺

    如何才能发挥数据库的真正作用?

    (SELECT SUM(revenue) FROM monthly_revenue) as total_revenue, -- By category ( SELECT json_object_agg (category, category_revenue) FROM ( SELECT category, SUM(revenue) as category_revenue SELECT json_object_agg(region, region_revenue) FROM ( SELECT region, SUM(revenue) as region_revenue SELECT json_object_agg(month, month_revenue) FROM ( SELECT month, SUM(revenue) as month_revenue , SUM(revenue) OVER (ORDER BY date) as running_total, RANK() OVER (ORDER BY revenue DESC) as revenue_rank

    11010编辑于 2026-03-12
  • 来自专栏Spark学习技巧

    clickhouse 亿级数据性能测试

    查询性能测试详情 Query 1.1 SELECT sum(LO_EXTENDEDPRICE * LO_DISCOUNT) AS revenue FROM lineorder_flat WHERE (toYear 扫描行数:600,040,000 大约6亿 耗时(秒):8.558 查询列数:3 结果行数:280 Query 2.2 SELECT sum(LO_REVENUE), toYear( ) AS revenue FROM lineorder_flat WHERE (C_REGION = 'ASIA') AND (S_REGION = 'ASIA') AND (year >= 1992) DESC ┌─C_NATION──┬─S_NATION──┬─year─┬──────revenue─┐ │ INDIA │ INDIA │ 1992 │ 537778456208 ) AS revenue FROM lineorder_flat WHERE (C_NATION = 'UNITED STATES') AND (S_NATION = 'UNITED STATES')

    2.1K00编辑于 2022-06-09
  • 来自专栏用户6988187的专栏

    2019年北美SaaS行业M&A概况

    5)EV/Revenue Multiple逐年增加。2019年,EV/Revenue Multiple达到8.2X,创新高。 6)EV/Revenue Multiple 分布 EV/Revenue Multiple达到15.0X或更高的公司,占比由2018年第4季度的6.5%增长至2019年Q4的17.8%。 9)前25%的上市SaaS公司表现 按EV /Revenue Multiple中值划分,Top 25%的上市SaaS公司EV/Revenue Multiple中值为17.3X,2019年营收中值, 第四季度的增长率为 10) 底部25%的 SaaS公司表现 按EV /Revenue Multiple中值划分,Bottom 25%的上市SaaS公司EV/Revenue Multiple中值为2.9X,2019年营收中值第四季度的增长率为 此外,超过一半的SaaS卖家公布其EV /Revenue 倍数不超过5.0X,仅有近三分之一的公司发公布的EV /Revenue 倍数超过7.0X。

    59400发布于 2020-07-08
  • 来自专栏小工匠聊架构

    白话Elasticsearch36-深入聚合数据分析之案例实战Histogram Aggregation:按价格区间统计电视销量和销售额

    "field": "price", "interval": 2000 }, "aggs":{ "revenue "price": { "buckets": [ { "key": 0, "doc_count": 3, "revenue : 3700 } }, { "key": 2000, "doc_count": 4, "revenue : 9500 } }, { "key": 4000, "doc_count": 0, "revenue value": 0 } }, { "key": 6000, "doc_count": 0, "revenue

    56330发布于 2021-08-17
  • 来自专栏YashanDB知识库

    YashanDB LAST_VALUE函数

    示例(HEAP表)-- finance_info表记录了分年、月、机构的收入情况SELECT year,month,branch,revenue_total FROM finance_info;YEAR MONTH BRANCH REVENUE_TOTAL ----- ----- ------ ------------- 2001 01 0201 28882021 01 ,LAST_VALUE(branch) OVER (PARTITION BY year ORDER BY revenue_total DESC) frFROM finance_info;YEAR REVENUE_TOTAL ,LAST_VALUE(branch) OVER (ORDER BY revenue_total DESC ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW ,LAST_VALUE(branch) OVER (ORDER BY revenue_total DESC ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING) frFROM

    18100编辑于 2025-06-10
  • 来自专栏数据大宇宙

    pandas每天一题-题目7:批量列计算

    以下是原项目解法: df = pd.read_csv('chipotle.tsv',sep='\t',converters={'item_price': lambda x: float(x[1:-1])}) revenue = (df['quantity']* df['item_price']).sum() print('Revenue was: $' + str(np.round(revenue,2))) Revenue revenue = df.eval('quantity * item_price').sum() print('Revenue was: $' + str(np.round(revenue,2))) Revenue was: $39237.02 行1:df.eval 可以动态解析表达式 点评: pandas 官方测试中,当数据量较大时(10万行以上),这种方式会得到一定优化加速(使用numba)

    1K20发布于 2021-09-01
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