2020年11月提交邮件申请（cv，cover letter，以及成绩单），两个月后收到HR邮件，简要回答一些身份以及实习时间的问题，然后以下方向3选1:\n1. Reduced form causal analysis/program evaluation. Χ\n2. Empirical I/O\n3. Forecasting/Time series\n\n我选了3，两周后安排安排amazon chime的技术电面。不得不说chime的UI远不如zoom.... ----\n\n面试官是senior economist, 面试一共一个小时，一半behavior questions, 一半case study。\n\n上来先互相自我介绍，我讲了自己的背景，研究方向，以及自己research的简单介绍。感觉对方还挺感兴趣的，大概聊了10分钟。\n\nBehavior questions:\nTell me about a time when you did something that was out of the job's responsibility.\nGive an example of a time you faced a conflict with your teammate/advisor and describe how you handled it.\n\n. ----\n(事先问过面试过的小伙伴，以及根据glassdoor上的回答，以下三道也是常问的，但暂时还没遇到)\nWhat was a time in which you failed to fulfill a commitment?\nDescribe a time that you failed\nAn experience you tried to satisfy an advisor that did not agree with you.\n\n\nFollow-up questions:\nWhat did you learn from this experience?\nHow do you handle XXX (a specific question based on your answer)?\n\n\nCase study:\n已知过去5年amazon网站的daily traffic data, how to make a prediction?\n步骤：clean data, consider missing values, plot series and find potential patterns, build a model\n核心模型：unobserved component model (UCM)，网上一大堆tutorial，仔细过一遍就行了\nhow to estimate UCM?：Kalman filtering + Kalman smoothing，复习一遍大概思路\nDifferences and similarities between UCM and SARIMA.\nHow to evaluate performance?: use RMSE, and you NEED to know how to use the quantile loss function to evaluate your forecast\nThat's it..\n\n\n最后让我问俩问题。\n\n总体来说比较容易，感觉该答的都答上来，还在等结果。\n\n最后希望大家都能得到自己心仪的offer！.1point3acres\n\n\n\n\n\n\n补充内容 (2021-2-5 04:36):\n刚刚收到通知第二轮面试的邮件: 1-hour data assessment: 15 minute informational overview of the assessment + 45 minutes codepad\n. 1point3acres.com\n补充内容 (2021-2-19 09:14):\n昨天二面完，今天move to the team matching step\n\n补充内容 (2021-03-27 04:14 +8:00):\n今天下午收到了team match的邮件.google и\n\n补充内容 (2021-03-31 00:56 +8:00):\n苦苦等待了一个半月以后只有一个组对我感兴趣，但查了相关team leader和这个组descriptions，目前并不是特别感兴趣，有点不想花12周时间在一个不算特别感兴趣的方向上。真诚希望地里的大佬可以帮忙推荐team！\n\n补充内容 (2021-04-01 02:02 +8:00):\n刚刚HR给我发邮件问我聊得怎么样，要不要move forward...我舔着脸问了问能不能再来一个info call让我有个选择，看看有啥结果吧. ----\n\n补充内容 (2021-04-02 09:20 +8:00):\n昨天下午问HR再要一个info call，没想到半夜收到邮件说又有个组对我感兴趣。如果明天聊得没啥问题的话大概率就要从了\n\n补充内容 (2021-04-20 08:57 +8:00):\n晚上接到了HR的电话，确认是否要remote intern，俩小时收到offer letter.1point3acres