Manhattan Reborn 1978

Chapter 139 Data Science

Wednesday, September [-]th.

The weather will turn from sunny to cloudy, with temperatures ranging from 26 degrees to 19 degrees, and southwesterly winds of level 2 to 3.

early morning.

David, who knew nothing about what was happening in New York, got up in his bedroom at home.

He sat on the edge of the bed and woke up for a while, then got dressed and went out to wash up.

David plans to go to the Flintstone Library in the next few days to study the marked books.

They are so important to David now!

After David washed up, packed his backpack, took it and went to the restaurant on the first floor.

At the dinner table, the whole family was there except him, including Black Mike.

"morning!"

Loisa smiled sweetly at him: "Brother David, you are not early at all, we are going to school soon!"

Salonia stood up directly and put her and her sister's lunches into their schoolbags: "Brother David, we have eaten and are going to school."

Sera also put down her knife and fork and sent the two sisters away.

Black Mike and Loisa interacted for a while, then smiled and followed Sera to send them out.

Gee!

It seems that his status in this family has plummeted!

After David greeted his two sisters, he sat at the dining table and started eating breakfast.

Old David looked at his son with a smile.

He felt David's thoughts very keenly.

"What are you going to do today?"

David didn't look up and continued to work: "I plan to go to the library these days. I need to learn more professional knowledge. Only when I need it do I know that they are in my mind. There are really too few of them. !”

Old David nodded, as long as this kid no longer does those dangerous things, then let him.

Black Mike, who had just turned around and came back, had a constipated expression on his face when he heard that David was going to the library again.

He thought for a moment and made an excuse.

"I won't accompany you to the library today. Old David and I will go visit the soda fountain together."

Old David and his son burst out laughing after hearing this.

This big black guy. . .

"Okay, just take me to the library later and pick me up in the evening."

Black Mike was happy: "No problem! Come on, you should have finished eating! Let's leave now!"

David was forced to swallow the sandwich in his hand and drank a large glass of juice.

Sierra smiled and brought some lunch for him, put it in a bag and took it to David.

Then, David was pulled out of the door by Black Mike.

After getting in the car, Black Mike opened the window in a good mood, smiling all the way.

David, who was sitting in the passenger seat, tilted his head and looked at him: "Man, you have a problem today! Is there something you didn't tell me?"

Black Mike said with a smile: "I called Harvey this morning. He said that Lori, who Tim was thinking about, has returned to New York, and she has a role in her new movie today. I plan to go to the soda fountain to tell Tim later. That kid! Haha~"

David was speechless for a while!

"Man, don't mess around! Tim will probably forget about Lori after a while. Don't let him make this matter impossible to end."

Black Mike waved his hand: "What's the most direct way to let him understand Lori?"

"How to do?"

"Take Tim directly to the set! Show him how the movie is made, and let him understand the daily life of Star X."

Forehead. . .

"What kind of normal life can Star X have? When Lori isn't filming, isn't she walking on the streets?"

"Haha~ Of course! But with your current plans, those girls standing on the street have almost disappeared on the street, man!"

David was surprised: "Lynch and that Karl, are they so efficient? Is it the street cleanup plan?"

Black Mike shrugged and turned to Nassau Street: "Didn't you also see the scene on the street in the car the night our nightclub opened two days ago? Those policemen went to the streets to drive them away like crazy people. Now among them , a lot of them were driven to New Jersey.”

David thought about the situation on the street that night. The police, street informants, pedestrians, and the beautiful women who used to wander the street seemed to have really not seen any of them.

Black Mike stopped not far from the library.

David took the backpack in his hand, thought for a while and said: "Man, you go back and give Polly a call later and tell the service company if they want to recruit more people, recruit some from the beauties who have been driven away from the street. This I have already told Lynch about this matter."

"What? Are you sure?"

"Of course, man! If they want to change their lives, we can help. That's the best way I can think of."

After David finished speaking, he opened the door and got out of the car. Before he had walked a few steps, he patted his head and turned back to Black Mike and shouted: "When you go to Harvey's side, tell him too, and let him and the Sidrich family, Go and recruit some actors among the beauties standing on the street, so that you can deal with some people."

Black Mike smiled evilly and nodded: "No problem! I will tell them everything! I will pick you up at 5pm!"

David gestured OK and walked to the Flintstone Library.

After entering the library door.

David found a small table and dug out the notepad in his backpack.

According to the above record, he found the book he wanted to read today.

"A Brief Survey of Computer Methods" published in 1974, author Peter Knoll.

The book defines data science as: “The science of working with data that, once the relationship between the data and the things it represents is established, provides lessons for other fields and sciences.”

In the preface of this book, Peter Noll clearly stated the concept of data science for the first time: "Data science is a science that deals with data."

And mentioned the difference between data science and data science.

Data science is the science of solving data problems.

Data science focuses on data processing and its application in the field of education.

David was interested in the first half, data science.

In the future, the derivative theories of this discipline have been widely used in various industries.

According to David's understanding, data science is to help people make better decisions through the analysis, interpretation, modeling and future prediction of historical data.

For example, financial data science includes data collection, data classification, data analysis, data screening, data processing, data integration, etc.

For example, in the previous life, David went to a securities company to open an account. When going through the procedures, the staff would ask you to fill out a customer investment risk assessment questionnaire.

Then, the securities company will make a judgment on your investor type, whether you are a radical or a prudent investor.

Then, filling out the form is data collection, and the type of evaluation is data classification.

With this preliminary information, the securities company will also conduct a series of analysis, screening, labeling, and integration on you based on the personal information you filled in, and finally formulate a stock investment plan for you and push it to you.

The above is a simple set of practical applications of financial data science.

Of course, in David's previous life, it turned out that short videos, news and messages were pushed on his mobile phone based on his preferences.

It’s the era of big data!

These are based on more practical application methods that have been widely valued by people after the appearance of this book and continued research efforts.

The application and research of data science, David plans to start now.

David took the book and thought as he came to Nash's old seat on the third floor.

Unexpectedly, Professor Nash and a middle-aged handsome guy were sitting there chatting.

David walked over and said hello to the two of them.

Nas stood up and introduced the two of them.

It turns out that this middle-aged handsome guy is Nash's old friend, Martin.

Martin is a mid-level school leader at Princeton University.

The two were classmates in college and had known each other for many years. It was Martin's help that Nash was able to stay safely in the library.

He came here today because of a phone call the Nash couple had last night.

Now, Nash is discussing with him about coming to the university to teach.

After listening to the introduction, David smiled and helped Nash with a set of good words and assists.

Then he apologized to the two of them, walked to the side, and read a book.

Martin glanced at the book in David's hand and curiously asked Nash about David.

Nash didn't hide anything. He truthfully told the story of his acquaintance with David and what happened after that.

Martin was lying on the table with a surprised look on his face.

"You just agreed?"

Nash smiled and nodded: "Alicia and I both agree!"

Gee!

Martin let out a breath, crossed his arms and leaned on the back of the chair, thinking for a while.

"Where is his research center going to be built? Does it still need to recruit people?"

"Recruiting? Do you want to?"

Martin spread his hands: "Among this year's graduates, I have a few children that I am quite optimistic about, but their family situations are very bad and they need to find a stable job first after graduation.

The job environment is so bad right now, man.I don't know if they're going to be unemployed right out of school, that would ruin them. "

Nash nodded. He picked up the water glass and took a sip, thinking: "How about you talk to David about this situation later? The research center is still just a plan. Didn't you see that he is also reading there? "

amount.

Martin started scratching his head!

"Then let me go and talk to him first?"

"Well, let's talk first and listen to what he has to say."

"Okay, you can go with me, he will be your boss after all! Haha~"

Martin teased his old friend Nash.

Nash shook his head and smiled: "Okay, but I can't guarantee anything, man!"

Martin nodded.

The two came and sat down opposite David.

David raised his head and saw the two of them and smiled: "What's the matter? Professor Nash, Professor Martin."

Nash first introduced Martin's idea.

Martin then asked David about the recruitment plan for the Research Institute.

David understood what the two men meant.

Is there any good thing about sending talents to your door?

It shouldn’t be difficult for a Princeton University graduate to find a job!

David asked the question in his mind.

Martin sighed and said: "David, you should be familiar with the current job competition environment. In the past few years, a large number of students have graduated from various universities.

When they enter the workplace to look for jobs, the companies that recruit people often select dozens or hundreds of people. After a few months of probation without a basic salary, only two or three people are left. "

"Some students from better-off families have gone back to school to apply for postgraduate studies, hoping that continuing to study can improve their own competitiveness."

"And those graduates whose family conditions are not good can only go to some factories or work as waiters to make ends meet."

Martin paused for a moment and continued: "The total number of graduates from various universities this year is also a number that gives us a headache. We don't want to see these children choose choices they can't make as soon as they walk out of school for various reasons. A job that I accept but have no choice but to accept.”

David nodded thoughtfully, he remembered.

The graduates in recent years are all the children of the baby boom in previous years.

Now, at this point in time, they are at the age when they enter society.

Being unemployed after graduation is a problem they all face.

David himself is also a member of that wave of baby boomers.

He is relatively lucky to be able to work at the Wildfire Bar.

David thought about it carefully and then asked: "Then how many students in your school are suitable for our research center?"

"Can you tell me about their majors?"

Martin looked at Nash excitedly, and according to David, this matter was possible!

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