about the author
@小宇
Focus on traffic data analysis, worked for 360 and 58.
Mainly responsible for related data analysis such as traffic analysis and business realization.
As the Spring Festival approached, many students were secretly calculating "Would you like to see the opportunity to get the year-end award?", "Golden Three Silver Four Recruitment Season is coming, do you want?", "This position released by a major factory is so exciting"... …
At this time of eagerness, a junior analyst who has been in the business for 2,400 days will introduce you to the data analyst position (cuo) test (zhe) experience (gu) experience (shi).
Before quitting, everyone was always smug, excited and anxious, and it was also the time when they liked reading books the most! What should we prepare for the small goal in our mind?
01 What are the salient points of a resume?
The first sentence introduces the advantages of job hunting. At the beginning of your resume, you must use one sentence to introduce your job search advantages, highlight the key points, and stand out in the resume selection process. Such as "2 years of user growth data analysis experience", "0-1 to build a growth indicator system and monitoring framework", "familiar with the method of building user growth analysis models".
The second point of experience is to say "What did you do? Why did you do it? What was the result?". Some students may think that "how to do it?" is missing, but the answer is no. Each item in the resume should not be too long, do not go into too much detail, leave a question point for the interviewer, and focus on the implementation method in the question and answer session.
The third point is the project introduction, including the background of the project, the role assumed, and what results have been achieved through what means. Remember to choose a project with a high contribution rate and significant results, not the largest project you have ever participated in. Some students will describe an excellent project, so the interviewer will definitely ask which work you do? What is the contribution to the project? If the participation is not deep enough, the contribution is low, or the exaggeration is found, the project introduction will change from a plus item to a minus item.
Some students who have not long working experience may not really have suitable project experience in their resumes, so don’t write project introductions and focus on experience introductions.
02 How to dig deeper in your resume?
After the resume is written, we must spend more time to sort out the content of our resume and the interviewer's possible questions, and write out the interview Q&A. Some students think that this is what I have done. Is it necessary to spend this time preparing for my resume?
Once I was young and frivolous, I thought so too, but when I was asked by the interviewer, my face was red and speechless. My self-confidence originated from the smooth job hunting when I first entered the workplace, which made me underestimate the difficulty of the interview, but no one can always move forward by luck!
Self-introduction should not be too long. Briefly and clearly introduce your work experience in 1-2 minutes, highlighting what you are good at and the highlights of your work! In fact, most of the self-introduction is that the interviewer does not have time to read your resume carefully beforehand. He is familiar with the resume and looks for questions during the time when you introduce yourself.
I once interviewed a little brother, he talked eloquently, and he introduced himself for a full 20 minutes so I couldn't intervene. Then the result is: I have no patience to listen in the second half of my introduction! And give me plenty of time to study his resume and find loopholes! ...
In this situation, some interviewers may also interrupt you in order to save time. If you are interrupted, you may become more nervous, which will affect your subsequent performance. In either case, the result is negative.
The content of your resume and the data and logic behind it must be familiar! The appearance of digital indicators in the resume is a bonus item, and the quantitative evaluation is more intuitive. This is usually a breakthrough for the interviewer to dig deep in the resume. How was this result achieved? What analysis was done? Which experiments? Why is the parameter 1 and not 2? From 20% to 50%, what process have you experienced, 20%-25%-50% or 20%-35%-50%? …… This requires the interviewer to think clearly about the data, logic, method, and process behind each word in the resume, and remember to deal with it clearly.
Remember, when you can’t remember, you should answer "Can you give me a minute to remember?", don’t rush to blurt out a wrong and outrageous answer; in addition, answer if you don’t know, don’t know, dishonesty is better than no Will lose more points!
03 What are the high-frequency test sites for SQL and probability?
In an analyst interview, several SQL questions and probability questions are usually tested to test everyone's professionalism. You can go to Zhihu, CSDN, and B stations to find more interview questions to brush. The more prepared, the better the result will be . Here I will only introduce you to a few high-frequency test sites.
1) SQL test points: join series of related problems, case when related problems, window function related problems (emphasis on the hanging points);
2) Test points for probability questions: Expectation questions, conditional probability (key points), and Bayes formula (key points).
Attach:
1) The SQL interview must have 50 questions
https://zhuanlan.zhihu.com/p/43289968
2) Several probability interview questions
https://blog.csdn.net/dengm155/article/details/52658836
04 How to answer business questions?
Business problems are often the part that many students are more afraid of. It is recommended that you prepare a pen and a piece of paper during the interview. When the interviewer describes the problem, we can write it down to prevent incomplete memory. Similarly, we can ask the interviewer to give us time to think, think clearly before answering, don't panic to answer. There may not be enough thoughts in the interview. It does not matter that the interviewer just wants to check whether the thinking is clear and correct.
Such as the title: How to analyze the daily active registration decrease by 10%?
Is it the industry law?
If not, continue to split the problem.
Time dimension: when will it fall?
New user/existing user problem:
New users: which channels?
Old users: Long-term users, short-term users have no demand, or where is the experience bad?
Measure how to improve cost and effectiveness.
Finally, a solution is given for the positioning problem.
I have gone through many interviews and interviewed some analysts and classmates; I have fallen, and I have dug holes to watch others fall in. Failure is not terrible, and setbacks are not terrible. What's terrible is that they are too talented or talented. Regardless of whether you pass the interview, you can grow, clarify gaps, and find a direction during the interview process. This is success! Through the accumulation of knowledge and experience, you will eventually find a suitable position for you!
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