Skill Claude CodeCodex
A business-analysis skill that breaks a changing metric down by dimensions such as channel, device, region, or product. It scans dimensions, combines related ones, and drills through parent-and-child levels to find the values driving the change.
Skill Claude CodeCodex
A tool for describing how numeric data is spread across groups, such as countries or customer types. It calculates averages, standard deviation, median, largest groups, shares, and cumulative-share buckets.
Skill Claude CodeCodex
A conversion-funnel analysis guide for measuring how people move through a sequence of steps, such as visiting a page, adding an item to a cart, and paying.
Skill Claude CodeCodex
A method for estimating customer lifetime value, meaning the revenue or profit a customer or customer group is expected to generate over its relationship with a business.
Skill Claude CodeCodex
A foundation step for observing business metrics: it gathers the source data, chooses the comparison period, calculates the metric correctly, and prepares breakdown tables by dimension.
Skill Claude CodeCodex
An analysis of new values in a business dimension, such as a new marketing channel, product category, or feature, and their performance on a main business metric.
Skill Claude CodeCodex
A process for turning completed business-data analysis into a readable HTML report with charts, tables, summaries, and source data.
Skill Claude CodeCodex
A calculation of user retention: the share of people who first use a product or complete a key action and are still active after a chosen number of days.
Skill Claude CodeCodex
An analysis that separates a change in a total metric between two periods into structural changes, ongoing trends, and the effects of events such as holidays or campaigns.
Skill Claude CodeCodex
A set of rules for writing and running read-only MaxCompute, also called ODPS, SQL queries. MaxCompute is a cloud data-warehouse service; the workflow covers query structure, partitions, filtering, joins, performance, and recovery from failures.
Skill Claude CodeCodex
A guide to a collection of data-analysis skills and the rules for choosing and using them. It covers the path from understanding a question and getting data to calculating results and producing a report.
Skill Claude CodeCodex
A plan builder that turns a business-data question into a structured analysis plan. It fills in missing context, selects suitable analysis methods, and confirms the plan when needed.
Skill Claude CodeCodex
A router that identifies what kind of data request someone made and sends it to the matching workflow, such as a lookup, business analysis, data exploration, calculation, report, or non-data task.
Skill Claude CodeCodex
A usage guide for a semantic layer, a shared service that defines business metrics, dimensions, and datasets in consistent terms.
Skill Claude CodeCodex
A set of rules for how an agent should move through a task and communicate with the user, with action as the default and questions only when progress is not possible.
Skill Claude CodeCodex
A required set of rules for carrying out data-analysis tasks, including where to save plans, source data, processed results, and final outputs.
Skill Claude CodeCodex
A cohort analysis workflow that groups users who share a starting point, such as registration week or acquisition channel, and compares what happens to each group later. Cohort analysis is used to study differences in retention, conversion, customer value, or repeat purchases over time.
Skill Claude CodeCodex
A complete analysis of conversion: the percentage of people who move from a starting action, such as visiting, to a target action, such as registering, buying, or paying.
Skill Claude CodeCodex
A business-intelligence analysis workflow for observing a metric, detecting unusual changes, and investigating their causes across dimensions such as channel, product, or customer group. Business intelligence means using data to understand how a business is performing.
Skill Claude CodeCodex
A workflow for measuring user retention, meaning how many users return or repeat a chosen activity after an initial event such as registration or first use.
Skill Claude CodeCodex
Builds end-to-end predictive modeling pipelines on tabular datasets—data exploration, preprocessing, baseline modeling, and mandatory optimization—producing valid saved predictions in the required output format. Use for any supervised machine learning or data modeling task, including classification and regression on…
Skill Claude CodeCodex
Computes a numeric or categorical answer to a quantitative data-science question by cleaning and analyzing local data files (CSV, Excel, TSV, and scientific formats .npz/.fits/.h5) with pandas, numpy, and scipy. Use whenever a task ships its own dataset (in whatever local directory it provides) and asks you to derive…
Skill Claude CodeCodex
A workflow that turns a plain-language request for business data into a database query, runs it in a data warehouse or lake, and returns the results for analysis.
Skill Claude CodeCodex
A guide for using the QwenPaw Data command-line tool to find data sources, plan and run analysis tasks, and reuse saved YAML plans.