tunoc2c/workbuddy-experts/databrain-analysis

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Checking that the SKILL.md file is still in the repository.

Before execute_e2b_code for attribution, drill-down, or statistical tests, read this SKILL.md then drilldown.md and/or statistical/SKILL.md plus needed references. Does not fetch data.

Install

npx vskill@latest install tunoc2c/workbuddy-experts/databrain-analysis

SKILL.md

The same SKILL.md was published earlier as infometa/workbuddyskills/databrain-analysis.

DataBrain Analysis (sandbox)

在 E2B sandbox 里做归因下钻或统计推断。不拉数;先经 databrain-dashboard-service / databrain-intelligence / opinion skills 取数,再分析。

闸门(分析代码前)

用 read_file 读引用文件,再 open_e2b_code_sandbox / upload_to_e2b_code_sandbox / execute_e2b_code。凭记忆写分析代码不算完成。

任务类型何时必读
归因 / 下钻 / 驱动因素贡献度、谁导致变化、多维拆解本文件 + `drilldown.md`
统计检验 / 建模A/B、显著性、回归、时序本文件 + `statistical/SKILL.md` + 按需 statistical/references/<name>.md
两者都要先归因定位再对子集做检验先 drilldown,再 statistical

未完成闸门:未读对应 md 已 execute_e2b_code 长段分析脚本。

数据进 sandbox

  1. 优先:取数工具返回的 CSV / 本地路径(run_skill_script 写入 /outputs/... 或工具说明中的路径)→ upload_to_e2b_code_sandbox(local_path=...) → sandbox 内 pd.read_csv(...)。
  2. `data_id`:若工具结果含 data_id 且附完整 CSV 路径,上传该文件;勿编造文件名。
  3. `/large_tool_results/` spill:当工具返回 Tool result too large 且路径为 /large_tool_results/toolu_xxx 时,先按 soul.md §7 尝试 收窄重查;若分析任务需要保留宽表/全量行且收窄会丢维度,则 `upload_to_e2b_code_sandbox(local_path=/large_tool_results/...)`(或 execute_e2b_code 引用该路径并由宿主自动 staging)后在 sandbox 内解析。不要用 read_file 整文件塞进上下文;不要在无 databrain-analysis 闸门时为简单问答默认走 sandbox。
  4. 包安装:分析前如需 pandas scipy statsmodels,先 execute_e2b_code language=bash:pip install pandas scipy statsmodels(勿用 !pip)。

执行纪律(react)

  • execute_e2b_code:短脚本 — 安装依赖 → 读表 → print() 表与结论;禁止 plt.savefig / 出图(图表由 `databrain-chart-render` 的 scripts/build_chart.py:<dbd> / echarts_option)。
  • stdout 即证据:关键统计量、归因表、ATTRIBUTION_TABLE 风格列须 print;终稿由 `databrain-summarize` 合成(含 `report.md` 若 §0.2)。
  • 同一 query 内 sandbox 复用;分析结束可 close_e2b_code_sandbox(可选)。
  • 工具连续失败 ≥3 次:停止分析,向用户说明原因(soul.md)。

引用文件

文件内容
`drilldown.md`cumulative_joint、30% 规则、directional/L1、归因结论
`statistical/SKILL.md`选型表、workflow
`statistical/references/`data_cleaning, stat-t-test, experimental_design, …
`../databrain-summarize/report.md`终稿如何呈现检验/归因(summarize 阶段)

无 run_skill_script(分析逻辑在 sandbox 内手写 Python,可参考 references 中的代码模式)。

Security

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Source

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