VISA onsite

发一个Visa Onsite面经，求人品其实地里面经基本全部cover了我的面试题。

5轮1v1：
1-head of ds:
consulting case: regional super market chain store wants to improve profits. 这个结合case in point 和victor cheng的 issue tree + structure framework 来回答就可以了
相关衍生：cost components: COGS, marketing, rent, delivery --这个metrics自己定义，言之成理即可，然后给出相应的 percentage cost estimate
price elasticity：一定要把概念搞懂，会考画图，不同产品的elasticity，然后cross elasticity，香烟的elasticity
2-Senior Director：
看图标做题

brainstorming metrics to improve credit card users：how to improve， what are the features。题意是这个发行银行growth慢，但是churn rate很低。

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3-Senior Director：
SQL：join，group by， case when + sum
how to define affluent：这个我在地里看到过原题，不过是phone interview的题，回答角度从人均spending habits or category to define customer segments by income level: wealth vs non.
Wealth: tends to spend more on education, travel, insurance. Unwealthy: tends to spend more on food
How does your manager describe you
4-Senior Director:
经典的看图标分析：spending on restaurants, on shopping, others.
哪个几个点是纽约hotel：restaurant 和 shopping差不多高的，restaurant spending差不多30%的，纽约中哪个是高级hotel：shopping > restaurants。
从图表能给出hotel什么意见：俩中情况：restaurants and shopping are higher and roughly similar --> tourists oriente --> hawaii and new york, focus on facilities and convenience
                                                              others are higher than the rest: business people oriented --> chicago airport hotel and etc, focus on comfort of mattress and noise isolation  
how do you carry out a classification model on if a grocery store is high-end: data preprocessing, feature engineering, split train and test, model exploration, cross validation, optimize hyperparameters, interpret results from model. brainstorm relevant features
SQL: left join
5-Senior Director:
issue a new magazine: what are the cost segments and approximate estimation
what is the break even sales volume amount. 这个题也是地里原题：fixed cost/(unit price - unit variable cost)
希望可以帮到大家，祝大家找工作顺利！
也希望自己h1b transfer顺利成功

感谢分享！ 下周电面！

请问楼主问的是哪个组，predictive modeling吗？楼主最后怎么样了，offer了吗？

答主后来收到offer了吗

像是招商学院的或者经济专业的题

楼主，可以问一下你是什么组吗？

想问一下楼主哪里能看到地里的原题啊？我找了好久都没有。。。