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Is it possible to design a 500ml can with a capacity of 600ml?
There was a lot of joy in the competition area, and the students looked confused.
In the spectator area, the professors and teachers who lead the team also have a headache looking at the topic. The organizing committee is going to make trouble.
Chen Nuo downloaded the two questions A and B, and the three gathered together to read the explanation carefully.
Question A involves population sociology, population economics, population geography, population ecology, history of population thought, statistics
Topic B is relatively simple, but it also involves ergonomics, physics, and structural mechanics of materials.
Which question should I choose?
Ye Xinran's face was serious. The two questions involved too many aspects, especially question A, which was not just about statistics, but also about the impact and solutions.
A!
Chen Nuo's eyes were full of light, and although his face was serious, his heart was full of joy.
Although he has never studied demography, but he has professor-level applied economics, coupled with professional-level statistics, A-level is not a big problem.
you sure?
Do not worry!Chen Nuo said again: When I was delivering food, I talked about it with some brothers, so I still know something about it.
Ye Xinran rolled her eyes, while Chen Ke'er opened her mouth wide, obviously disbelieving.
What kind of expressions are you guys looking down on our delivery boy?
Chen Nuo was very speechless, and said: Do you know that the delivery boy is a very mysterious organization, with multi-millionaires, high-level white-collar workers, and many technical talents.
Have you ever seen CAD faster than designers?
Have you ever seen a computer change the code?
Have you ever seen someone who speaks English more fluently than you?
According to statistics, there are 21 undergraduates and 7 postgraduates who deliver food in Xiaguo. Although I don't know if the data is accurate, this organization is really mysterious!
Chen Nuo's series of words left them speechless.
OK, you are the captain, listen to you!
The two compromised.
I was in charge of problem solving, modeling, and papers, and Kerr was in charge of programming.After a pause, Chen Nuo said: You are in charge of our diet, check the information by the way!
I originally wanted to say that it would be fine to just let her lie down, but thinking about it, there should be a lot of information involved in this question, and someone still needs to look it up.
After the division of labor was completed, Chen Nuo began to fall into deep thought.
The population forecasting model addresses three questions for the next 30 years:
1. Birth rate and number of births, factors include: population development policies of townships, counties, and first-, second-, and third-tier cities;
2. Population mortality rate and distribution, factors include: medical conditions in townships, counties, first-, second- and third-tier cities;
3. The impact of demographic factors on the future, such as the impact of four aspects: economy, housing, education, and medical care.
Among them, one and two items involve a large amount of data.
At the critical moment, Ye Xinran spoke.
Chen Nuo, the birth and death data of each province, city, and region have been downloaded and sent to your email!
Chen Nuo nodded, but he was deep in thought.
With his professor-level college mathematics skills and statistical expertise, if he follows normal thinking, this problem can be solved in a day.
But after he acquired the top domestic professor-level applied economics skills and researcher-level programming, the way he looked at problems changed, and various information was aggregated in his mind.
After a few minutes, Chen Nuo suddenly opened his eyes, and the eyes were full of light.
He wants to build a new model that can predict more accurately.
Either don't do it, or make it a blockbuster.
He wanted to swell the faces of those who conspired against him.
Chapter 25 The Insidious Organizing Committee, Chen Nuo of the Animals
Data so rough?Everyone in the Bureau of Statistics should be laid off!
Chen Nuo opened the form and flipped through the data. After reading only a few dozen rows, his brows were already wrinkled into Sichuan characters.
Ye Xinran and Chen Ke'er looked at each other in shock.
This is the data downloaded from the website of the National Bureau of Statistics. You, a sophomore, who gave you the courage to question it?
After watching it for another ten minutes, Chen Nuo understood the structure, type, and calculation process of the data.
He knew where the problem with the data given by the Bureau of Statistics was.
It's not that the data is rough, it's that the question maker directly changed the data and changed the index algorithm.
In other words, if you model based on this data, no matter how beautiful your paper is or how well you program, the predicted result will never be correct.
I have to say that the organizing committee is very insidious.
After understanding the problem, Chen Nuo took a deep breath, and the mouse moved.
The page on the computer screen jumped almost once a second, very much like the screen on the computer when hackers invaded.
Ke Er, what is he doing?
It seems that Chen Ke'er is not sure: It seems to be processing data!
This scene of Chen Nuo was inadvertently seen by a classmate, who immediately stopped working.
Brother Huang, look!
What are you looking at?
The student named Brother Huang glanced at the direction of the classmate's finger, and exclaimed: Damn!
An exclamation shocked the entire competition area.
This student, please do not interfere with the order of the competition
The invigilator came over, but he didn't finish his sentence, so he froze on the spot.
The reaction of the two finally attracted everyone's attention.
What the hell!
What plane are you doing?
Bullshit!
Grandstanding!
You have to pretend to be reliable, okay? The page changes every second. Are you sure you can see the data clearly?
Sit back and continue the game!
After the invigilator gave a low drink, he went to the viewing area to explain it, and the professors looked at Zhao Yuan obviously not well.
Zhao Yuan also had an extremely ugly face, but he believed that Chen Nuo would not do this for no reason.
I turned on the computer, downloaded the data, and after looking at it carefully for about half an hour, I suddenly opened my mouth and laughed.
Turns out the data was wrong!
The voice of Zhao Yuan muttering to himself made the faces of several other professors change drastically.
Half an hour later, several professors looked up at the students in the competition with expressions of pity on their faces.
Don't blame the students for being unintelligent, just blame the organizing committee for being too insidious.
Chen Nuo seemed to have entered a certain state, indifferent to what happened around him.
After this state lasted for more than an hour, the screen finally stopped beating.
Ye Xinran and Chen Ke'er poked their heads over and took a look. The data of millions of lines was abruptly reduced to one-tenth.
Don't look, it's not over yet!
Call me in an hour, I'll take a break!
Chen Nuo took a sip of water, leaned back on the seat, and closed his eyes tightly.
More than an hour of high-intensity data processing, with his nerve response speed of 6.1 intensity, was a bit overwhelming.
Looking at Chen Nuo who was resting, Ye Xinran and Chen Ke'er opened their mouths, but they didn't know what to say, so they flipped through the data.
The more they looked at the two, the more shocked they were, the processed data simply overturned their imagination.
After finding several indicators and comparing the original data, I found that Chen Nuo's processing and calculation were more accurate.
But in the eyes of the other contestants, this scene was broken.
An hour later, Chen Nuo was woken up.
The scene just now reappeared.
After continuing for five times, there are only less than [-] rows of data left in the millions of rows. This is the essence of the essence.
It is also equipped with a variety of scatterplots, using linear equations, partial differential equations, Gaussian distributions, and more.
Among other things, if this data is taken out, the face of the person who prepared it will be swollen.
After processing the data, one-sixth of the time has passed, but their modeling has not yet started.
Chen Nuo was not in a hurry, and Ke'er was in charge of programming, and there was nothing he could do. Only Ye Xinran seemed restless.
After dinner, Chen Nuo moved around for a while, then sat back in front of the computer.
Keer, I will omit the modeling process, I will write the thesis directly, pay attention to the synchronous thesis, and sort out the ideas first.
Glad you pay attention to formatting, typos, grammar in your paper.
Before the two could express their opinions, the next moment, the sound of crackling keyboards resounded throughout the competition area.
It caused everyone to frown dissatisfied.
This classmate, please don't interfere with other people's normal competition!
After the invigilator glanced at the source of the voice was Chen Nuo, he immediately had a headache.
Why is this kid restless? A salted fish has to look like a salted fish. If you're really bored, just go to sleep.
What does it mean to jump a few times from time to time?
Are you afraid that I will fall asleep or that your classmates will forget you?
When he saw the content on Chen Nuo's computer screen clearly, he was stunned for a moment, and after looking at it for a few seconds, he turned around and left.
Although I didn't think about question A carefully, but based on my intuition, the model assumption written at the beginning of Chen Nuo's thesis should be correct.
After adjusting the data by himself, Chen Nuo had a clear framework in his mind, and the writing was extremely fluent without any extra points.
In half an hour, problem restatement, problem analysis, and symbol explanation were completed;
After an hour, model assumptions and model building are complete.
After three hours, the model was solved.
Lines of text, formulas, matrices, scatter plots, and tables are arranged together like a heavenly book.
At this time, it was almost early morning, the professors had already left, and only one modeling student was left among the twelve groups of contestants.
Another five hours passed, and after Chen Nuo finished writing the model results and analysis, model improvement, and model advantages and disadvantages, it was already dawn.
At this point, the first part of the thesis has been completed.
The sound of keyboards stopped, and after Chen Nuo stood up and left, the rest of the contestants finally breathed a sigh of relief.
This animal has been typing on the keyboard for nearly ten hours.
Even if it is pretending, they can pretend from nine in the morning to five in the morning the next day, a full eighteen hours, they think they can't do it.
After squatting in the toilet for a while and strolling around the corridor, Chen Nuo returned to his seat.
After thinking for a while, the crackling sound of the keyboard sounded again.
Everyone collapsed.