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shisuidata

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• 20 skills
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• 6 hours ago last updated

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   SQL Reviewer · shisuidata

   Use when reviewing SQL for data development. Checks logic correctness, metric consistency, joins, aggregations, deduplication, null handling, date boundaries, partition filters, performance risks, engine-specific issues, and safer rewrite suggestions.
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   Data Doc Writer · shisuidata

   Use when writing or improving data documentation for warehouse tables, metrics, dashboards, SQL jobs, data products, or handover materials so other people and agents can understand data purpose, grain, fields, logic, ownership, and usage constraints.
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   Funnel Analysis · shisuidata

   Use when analyzing conversion funnels across ordered business steps, such as registration, activation, payment, signup, retention, onboarding, or checkout. Identifies drop-off points, segment differences, tracking risks, and action recommendations.
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   Ab Test Analysis · shisuidata

   Use when designing, checking, or interpreting A/B tests and experiments. Reviews hypothesis, variants, metrics, sample ratio, significance, guardrail metrics, segmentation, validity risks, and business recommendations.
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   Dashboard Reviewer · shisuidata

   Use when reviewing whether a BI dashboard, management dashboard, metric board, or data product page can support business decisions with clear metrics, trustworthy definitions, and actionable drill-down paths.
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   Daily Report Writer · shisuidata

   Use when writing a concise daily report, daily worklog, standup update, shift handoff, or end-of-day summary for data analysis, data development, BI, governance, or operations work.
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   Table Design Advisor · shisuidata

   Use when designing or reviewing a data warehouse table schema. Advises on warehouse layer, table grain, fact or dimension modeling, fields, primary key, partitioning, update strategy, lifecycle, naming, downstream usage, and data quality checks.
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   Market Research Analyst · shisuidata

   Use when planning or writing market research for a specific industry, product category, competitor set, business opportunity, user segment, or go-to-market question with structured evidence and clear assumptions.
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   Exploratory Data Analysis · shisuidata

   Use when exploring a dataset before formal analysis, modeling, reporting, or dashboarding. Profiles fields, missing values, distributions, outliers, relationships, data quality risks, and next analysis directions.
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    Retention Cohort Analysis · shisuidata

    Use when analyzing retention, cohort behavior, repeat purchase, active user return, lifecycle changes, or user stickiness over time. Builds cohort definitions, retention matrices, segment comparisons, and business interpretations.
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    Data Requirement Clarifier · shisuidata

    Use when a vague data analysis or data development request needs to be turned into a clear, buildable task. Clarifies business goal, metrics, dimensions, time range, data sources, output format, acceptance criteria, risks, and open questions.
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    Metric Definition Reviewer · shisuidata

    Use when reviewing or defining a business metric, KPI, or analytics indicator. Checks business intent, population, event definition, time window, grain, filters, edge cases, status lifecycle, consistency, and questions that must be confirmed.
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    Data Analysis Report Writer · shisuidata

    Use when turning analysis results, metrics, SQL outputs, dashboards, or investigation notes into a structured data analysis report with executive summary, evidence, insight, recommendations, caveats, and next steps.
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    Data Presentation Architect · shisuidata

    Use when turning data analysis, reports, project updates, or technical material into a slide deck outline or PPT narrative. Builds audience-specific storyline, slide-by-slide structure, chart recommendations, speaker notes, and appendix plan.
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    Data Quality Rule Generator · shisuidata

    Use when generating data quality rules from a table schema, SQL, metric definition, or data pipeline description. Produces validation rules for freshness, row count, uniqueness, nulls, enums, ranges, referential integrity, metric fluctuation, reconciliation, and SQL checks.
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    Business Root Cause Analysis · shisuidata

    Use when diagnosing business metric changes or anomalies such as GMV decline, conversion drop, retention loss, churn increase, revenue change, lead decline, or active user fluctuation with a structured root cause analysis plan.
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    Data Lineage Impact Analyzer · shisuidata

    Use when analyzing upstream and downstream impact for table changes, metric changes, field deprecation, pipeline migration, dashboard breakage, data governance review, or data asset dependency communication.
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    Weekly Monthly Report Writer · shisuidata

    Use when writing or polishing weekly reports, monthly reports, project updates, work summaries, performance reviews, or upward status reports for data, analytics, engineering, or operations work.
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    Data Tool Integration Planner · shisuidata bundle

    Use when planning integration with databases, BI tools, data platforms, APIs, workflow systems, storage services, or third-party tools, including connection requirements, API availability, auth strategy, configuration questions, and validation steps.
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    Data Incident Postmortem Writer · shisuidata

    Use when writing a data incident postmortem for failed partitions, wrong dashboard numbers, metric definition changes, SQL logic bugs, backfill mistakes, SLA misses, or data pipeline incidents.
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