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Chapter 37
This year's Chinese New Year, Gu Xincheng did not return to China.
During the domestic Spring Festival holiday, American universities have entered the spring semester.
In the spring semester, she took a course called Big Data Business Intelligence. Before taking this course, she had to pass the probability theory and mathematical statistics exams.
The School of Economics and Management of University A has very high requirements for students' mathematics proficiency. The university mathematics that Gu Xincheng studied back then was only one level lower than the students in the mathematics department of the same school.
During the winter vacation, she reviewed the two courses of probability theory and econometrics. However, the teaching focus of this course is slightly different from what she imagined—to train students to use data and algorithms to make more correct business decisions.
Professor Michael has very strict requirements on students, and he assigned an important homework as soon as the semester started.
He gave the students a database, which contains information about 100,000 users, including gender, age, annual income, place of origin, credit limit and other dimensions.
The task of the students is to design a prediction model by themselves, using data and algorithms to determine whether the user will click on an advertisement on a certain website.
It can be seen from this that a certain sentence in the study abroad circle is true and well-known—all roads lead to CS (Computer Science, Computer Science).
Gu Xincheng had done similar work before, but such a complex algorithm still gave her a headache.
Fortunately, she has learned Python, but she has no idea how to use programming language to build complex business models.
She made several attempts, but the results were not satisfactory. Judging from her experience, this is too different from the actual situation.
Just when Gu Xincheng was in a dilemma, she suddenly thought of a person, Ji Chengran.
In order to write a speech for Professor Zhou, she asked him many questions.
Ji Chengran is a well-established top student in Xinyuan, so it should be right to ask him for advice on programming problems.
Gu Xincheng explained to Ji Chengran the difficulties that bothered her in this assignment, saying that her programming skills were limited, and he needed some pointers in some places.
[Ji Chengran: You can also learn Python, which is amazing. ]
[Gu Xincheng: I've only studied for a semester. ]
[Ji Chengran: Python is very easy to use. I always thought that you all use SPSS or Stata to study economics and management. ]
[Gu Xincheng: Now that we don't learn Python as a major, we can't keep up with the times. 】
Ji Chengran gave her another way of thinking, let the machine find the prediction model by itself, instead of giving the machine a prediction model.
Gu Xincheng suddenly realized that this is actually a way of thinking about machine learning.
[Gu Xincheng: Thank you so much, I will definitely treat the president to dinner when I return to China! ]
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Lure me deep MTL
General Fiction] When Gu Xincheng was 20 years old, he was obsessed with ghosts and fell in love with a man. After following him for a year, she finally saw through his coldness and ruthlessness. On the day he left him, the rain was as cold as a blade. Gu Xincheng...
