关于“運用 BigQuery ML 的分類模型預測訪客購物行為”的评价

shashwat k. · 评论almost 2 years之前

Ashif K. · 评论almost 2 years之前

Pʀᴀʙᴀʟ P. · 评论almost 2 years之前

Ricky R. · 评论almost 2 years之前

HARI MEGHANA K. · 评论almost 2 years之前

Two queries are incorrect unable to complete it, please verify and correct. 1st one: SELECT * FROM ml.PREDICT(MODEL `ecommerce.classification_model_2`, ( WITH all_visitor_stats AS ( SELECT fullvisitorid, IF(COUNTIF(totals.transactions > 0 AND totals.newVisits IS NULL) > 0, 1, 0) AS will_buy_on_return_visit FROM `data-to-insights.ecommerce.web_analytics` GROUP BY fullvisitorid ) SELECT CONCAT(fullvisitorid, '-',CAST(visitId AS STRING)) AS unique_session_id, 2nd: SELECT roc_auc, CASE WHEN roc_auc > .9 THEN 'good' WHEN roc_auc > .8 THEN 'fair' WHEN roc_auc > .7 THEN 'decent' WHEN roc_auc > .6 THEN 'not great' ELSE 'poor' END AS model_quality FROM ML.EVALUATE(MODEL ecommerce.classification_model, ( SELECT * EXCEPT(fullVisitorId) FROM # features (SELECT fullVisitorId, IFNULL(totals.bounces, 0) AS bounces, IFNULL(totals.timeOnSite, 0) AS time_on_site FROM `data-to-insights.ecommerce.web_analytics` WHERE totals.newVisits = 1 AND date BETWEEN '20170501' AND '20170630') # eval on 2 months JOIN (SELECT fullvisitorid, IF(COUNTIF(totals.transactions > 0 AND totals.newVisits IS NULL) > 0, 1, 0) AS will_buy_on_return_visit FROM `data-to-insights.ecommerce.web_a

Ravi Kumar D. · 评论almost 2 years之前

Shatarupa S. · 评论almost 2 years之前

Anwesa H. · 评论almost 2 years之前

Prashant G. · 评论almost 2 years之前

nice

Baldev R. · 评论almost 2 years之前

Done

Wey Jie G. · 评论almost 2 years之前

sanchari K. · 评论almost 2 years之前

Aashish T. · 评论almost 2 years之前

Renaldi A. · 评论almost 2 years之前

Digant M. · 评论almost 2 years之前

VELDANDA R. · 评论almost 2 years之前

Tamal A. · 评论almost 2 years之前

Rakesh A. · 评论almost 2 years之前

Perfeito !

Rogério S. · 评论almost 2 years之前

Cool lab.

Armin M. · 评论almost 2 years之前

Mulyana A. · 评论almost 2 years之前

Nur A. · 评论almost 2 years之前

Shaikh C. · 评论almost 2 years之前

Asdrubal R. · 评论almost 2 years之前

Amaan P. · 评论almost 2 years之前