2022 (8th) National College Student Statistical Modeling Contest
Competition information
In order to advocate a good atmosphere for the study of statistical knowledge and application of statistical skills among college students, focus on hot and difficult issues in economic and social development, improve college students' data mining, data analysis, and the ability to process data using statistical methods and computer technology, strengthen innovative thinking, and help promote Statistical modernization reform. Under the guidance of the Statistical Education and Training Center of the National Bureau of Statistics, the China Statistical Education Society, the Ministry of Education's Higher Education Statistics Teaching Steering Committee, and the National Applied Statistics Graduate Education Steering Committee jointly sponsored the 2022 (eighth) National College Students Statistical Construction Model Contest (hereinafter referred to as the "Contest"). This competition is hosted by Chengdu University of Information Science and Technology, and co-organized by China Government Statistics Research Center and Beijing Oriental Aixue Information Technology Co., Ltd. The provincial competition is handled by 28 colleges and universities in the competition area (see Annex 1). The relevant matters are hereby notified as follows:
1. The theme of the competition
After research by the organizing committee, the theme of this competition is "Statistical Measurement of Building a New Development Pattern". Each team will write their own thesis according to the theme.
2. Competition method
(1) Eligibility. Full-time undergraduate and postgraduate students in relevant institutions of higher learning can apply, regardless of major.
(2) Group settings. The competition consists of an undergraduate group and a postgraduate group. Undergraduate students and postgraduate students form separate teams and cannot be mixed.
3. Competition process
This competition is divided into five stages.
(1) Registration for the competition. For registration, the participating teams shall fill in the basic information of the participating teams in this group through the official website of the National College Students Statistical Modeling Competition (hereinafter referred to as the "official website of the competition": tjjmds.ai-learning.net) (see Annex 2 for the registration process). The school will notify the competition as a unit. From the date of issuance of this notice, all colleges and universities are requested to actively organize undergraduate and postgraduate teams to participate in the competition. There is no limit to the registration team for each group of each college, and each team is 3 people. In principle, cross-school teams are not allowed. Each participant is limited to one team, and each team has no more than 2 instructors. There is no fee to register for the competition. Registration deadline is April 30. The registration status will be announced on the official website of the competition.
During the competition, the organizing committee will provide free competition resources (including databases and analysis and modeling platforms, etc.), and participating teams can learn about their use from the "Competition Resources" section of the competition official website.
(2) Writing the thesis. The writing time is about 2 months, from the issuance of the competition notice to May 30. Each participating team must submit the full text of the entry paper, duplicate check report, letter of commitment and other entry materials on the official website of the competition before May 30 (see Annex 2 for the submission process). Each provincial competition area is responsible for colleges and universities to review the entry materials.
(3) Provincial competition selection. From June 1st to June 30th, each division will determine the selection time for the division according to the actual situation. Before June 10, the schools in charge of the division will report the selection time and competition method (offline and online) to the Competition Organizing Committee Office. Each competition area will hold a selection competition with reference to the national competition evaluation standards, select the first, second and third prizes of the provincial competition, and determine the shortlisted teams for the national competition according to the corresponding quota of each sub-competition area. Before June 30, the colleges in charge of the competition area will submit the competition results to the competition organizing committee office.
(4) On-site evaluation by experts of the national competition. In July, an expert review of the national competition will be held at Chengdu University of Information Technology. The papers shortlisted for the national competition will be reviewed on-site to determine the third prize, some second prizes and the papers shortlisted for the defense competition. The results of the judging will be announced on the competition official website.
(5) On-site defense of the national competition. In August, the on-site defense of the national competition paper will be held at Chengdu University of Information Technology. The selected teams must write their own essays according to the prescribed time and requirements, and answer questions from experts to assess the originality, scientificity and rationality of the participating papers. sex. The specific matters of the defense will be notified separately.
(6) Contest summary meeting and award ceremony. After the defense competition, the leaders of the National Bureau of Statistics will attend the award ceremony to present awards to the winning teams and deliver a speech.
4. Requirements for essay writing
(1) In order to unify the format of papers, the format requirements for participating papers are now proposed (see Annex 3). In order to ensure the quality of the review, the purpose, methods, results, conclusions, innovation points, etc. must be clearly stated in the abstract part.
(2) Each team needs to upload the PDF and Word versions of their papers respectively. The PDF version is an anonymous version, including: abstract, table of contents, text, references and appendices, etc. This version needs to remove the cover page and acknowledgments with relevant information of the team; the Word version is the full version, including the cover page with relevant information of the team ( See attachment 4) and acknowledgments, and the rest are exactly the same as the PDF version. Team-related information must not appear anywhere other than the cover page and acknowledgements, otherwise it will be considered a violation and will be disqualified from the competition.
(3) Teams must disclose data sources and submit original data packages and data analysis procedures. The competition requires that the participating papers use genuine statistical analysis software.
(4) The participating team must submit a letter of commitment (see Annex 5), promising that the essay will be jointly created by all members of the team during the competition period (March to May 2022). At the same time, submit the "HowNet" review report. The Organizing Committee of the competition will check the entries for duplication. The entries with a duplication rate of more than 20% will be disqualified from the competition, and more than 40% will be regarded as academic misconduct. The Organizing Committee will notify the participating colleges and universities of criticism.
5. Award setting
(1) Provincial competition. Excellent papers selected by the provincial competition will be shortlisted for the national competition, and the rest of the participating papers will be awarded the first, second and third prizes of the provincial competition, with the winning ratios of 10%, 20% and 30% respectively. Papers shortlisted for the national competition will also win the first prize in the provincial competition, and will not account for the above-mentioned places in the provincial competition.
(2) National competition. The first, second and third prizes were selected from the papers shortlisted for the national competition, with a ratio of 10%, 20% and 70%. For the teams that won the first and second prizes in the national competition, in addition to the student award certificate, the instructor will be awarded the "Excellent Instructor Award of the National College Students Statistical Modeling Contest" certificate.
(3) Issuance of certificates. The award-winning certificate will be issued electronically through the competition platform, and the winning teams can download and print by themselves.
The winning papers will be recommended to CNKI for publication, and the "Selected Papers of the National College Students' Statistical Modeling Contest" will be published.
6. Materials to be submitted and matters needing attention
All participating colleges are requested to upload their essays, data packages, duplicate inspection reports and letters of commitment through the registration system on the official website of the competition before May 30. In order to avoid the network congestion caused by the centralized submission of papers on the deadline day, all teams are requested to arrange their time reasonably and submit in advance.
7. Other matters
In order to help participating colleges and team members to understand the relevant situation of the National College Student Statistical Modeling Contest, the sponsor, the China Statistical Education Society, has opened the official website of the National College Student Statistical Modeling Contest (website: tjjmds.ai-learning.net). The conference affairs group will publish the competition notice, competition news, training resources, excellent works display and other information on the official website of the competition for your reference. The official website of the China Statistical Education Society, the WeChat public account of the China Statistical Education Society, and various contact QQ groups will also update relevant notices simultaneously.
For other information about the competition, please consult the Office of the Organizing Committee of the National College Student Statistical Modeling Competition.
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(-3, 3, 100)
fig, ax = plt.subplots() # create an icon and axes
y1 = x ** 3 - 3 * x
y2 = 2 * x ** 3 - 6 * x ** 2 - 18 * x + 7
ax.plot(x, y1, label=‘f1(x)’)
ax.plot(x, y2, label=‘f2(x)’)
Set the origin of the axes
ax.spines['bottom'].set_position(('data', 0)) # Pay attention to the brackets in this position
ax.spines['left'].set_position(('data', 0))
ax.set_xlabel(' x label') # Add the label of the x-axis
ax.set_ylabel('y label') # Add the label of the y-axis
ax.set_title("Simple Plot") # Add the title of the chart
Set the y-axis scale and range
x_ticks = np.linspace(-3, 3, 10)
y_ticks = np.linspace(min(y2), max(y2), 10)
plt.xticks(x_ticks)
plt.yticks(y_ticks)
print('f2(x) The extreme value of: ', max(y2))
ax.legend() # Add a description
plt.show()
to guide the teaching materials to learn
the establishment and solution of the model
print(q:917267119)