{"uid":"cap_8VcNuG9q0cqHlNIcl-xYO","slug":"training-assessments-category-frequencies-two-measure-correlation-8da2bd65","name":"Training Assessments — Category Frequencies + Two-Measure Correlation","description":"Training assessments — Category frequencies + Two-measure correlation: Category frequencies + Two-measure correlation for supplied training assessments records (pre_score, post_score). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.","url":"https://market.datapackvibe.com/x402/assistant-ib26-education-11-108?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","course_group","date","pre_score","post_score"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"pre_score":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"post_score":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"course_group":{"type":"string","default":"","maxLength":80}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","pre_score":10,"post_score":1,"course_group":"group-a"},{"date":"2026-10-02","row_id":"row-2","pre_score":20,"post_score":2,"course_group":"group-b"},{"date":"2026-10-03","row_id":"row-3","pre_score":15,"post_score":3,"course_group":"group-a"},{"date":"2026-10-04","row_id":"row-4","pre_score":30,"post_score":4,"course_group":"group-b"}],"maxItems":200,"minItems":1}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dQj0d5lO2P6Gj1aK4hPYq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes training assessment records by computing course group category frequencies and Pearson/Spearman correlation between pre-score and post-score columns, returning two reports for up to 200 rows.","exampleAgentPrompt":"I have up to 200 training assessment records with course groups and pre/post scores — can you run a category frequency breakdown of the course groups and also compute the correlation between the pre_score and post_score columns across all rows?","exampleUseCases":[{"title":"Post-training effectiveness analysis","prompt":"Here are 150 training assessment records with course_group, pre_score, and post_score — can you compute the frequency of each course group and tell me whether the pre-test scores are correlated with the post-test scores?"},{"title":"Learning program cohort breakdown","prompt":"I've got assessment data for four training cohorts labeled group-a through group-d, each with pre and post scores. Can you give me the count of each cohort and check if pre_score and post_score are statistically correlated?"},{"title":"HR training audit correlation report","prompt":"Our HR team has 80 rows of employee training records, each with a course_group, a pre_score, and a post_score. Can you produce a category frequency report for the groups and a two-measure correlation between the pre and post scores?"}],"resultDescription":"Returns two analytical reports: (1) a category frequency table showing counts and proportions for each unique course_group value, and (2) a two-measure correlation report (e.g. Pearson and Spearman) between the pre_score and post_score columns across all supplied rows. No external lookups or predictions are made; all analysis uses local engines on the submitted data.","failureModes":["Fewer than 1 row submitted — request rejected","More than 200 rows submitted — exceeds limit","Missing required fields (row_id, course_group, date, pre_score, post_score) — validation error","Date field does not match YYYY-MM-DD pattern — schema validation failure","All pre_score or post_score values are null — correlation cannot be computed","Payment of 0.01 USDC not completed via x402 — request blocked"],"whenToPreferThis":"Choose this endpoint when you have tabular training assessment data with a course/group category column and paired numeric pre/post scores, and you need both a group frequency breakdown and a correlation statistic in a single low-cost call. It is ideal for education analytics, HR training evaluation, or learning management reporting where you want two complementary statistical views (distribution + relationship) without setting up a full analytics pipeline. It handles up to 200 rows per call for $0.01 USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:54:00.859Z","isFirstParty":false,"canonicalSlug":"training-assessments-category-frequencies-two-measure-correlation-8da2bd65"}