Jingwen Zheng - page 13

R IN ACTION Review 1 - Data structures

During these days, I read the book “R IN ACTION” on my way to work and home. In order to strengthen my data analysis ability and facilitate our work, I decided to start from the begining. Reviewing the basic knowledge, I felt familiar and found its interests. Considering it could be useful in data science, I’d like to share them as weekly blogs....

Read more

Goals of 2017

Year 2017 is the first year in which I start my first full-time job as a data scientist. Therefore, I want to share with you some goals and expectation about this year. I try to split the goals into several parts: the goal in my work at Franprix, the technique of data science, the business analysis, the communication skill, and the improvement o...

Read more

UCSD Introduction to Big Data Week 3 review

In the blog UCSD Introduction to Big Data Week 1 & 2 review, we talked about three sources of Big Data and the characteristics of Big Data. Today, I’ll go on with it and talk about the process of data analysis and Hadoop. The Process of Data Analysis Acquire Data Acquire includes anything that makes us retrieve data including; finding, ac...

Read more

UCSD Introduction to Big Data Week 1 & 2 review

Since big data becomes more and more important in our life. As a fresh graduate in Economics and Statistics, I’m eager to learn more knowledge about big data. Thus, I decide to participate the course Big Data specilization, created by University of California, San Diego, taught by Ilkay Altintas (Chief Data Science Officer), Amarnath Gupta (Dire...

Read more

Analysis of internauts' behavior

Since the internship will be finished in a few days, I’m seeking employment and received several invitations of interview, one of these company is FABERNOVEL DATA & MEDIA. After the first telephone interview, there was a data-analysis test, which is really interesting. Thus, I would like to share with you. Data There are 288,425 observatio...

Read more

Impact of different elements on compensation

For the end of master, I’m doing my internship at French Development Agency as a data analyst in Guarantee Division (GAR), which offers guarantees to banks providing loans to SMEs, thus limiting their risks. In order to record the business operation of GAR, we have several databases. Thus, during this internship, my principal mission is accordi...

Read more