Data analysis

p 01-01-1970   Download

p 01-01-1970   Download

Bài thuyết trình Ứng dụng khai thác dữ liệu (Data Mining and Application): Market Basket Analysis Based on RFM Analysis trình bày phương pháp phân tích hành vi mua hàng thông qua kết hợp giữa RFM và phân tích giỏ hàng. Bài thuyết trình tập trung vào việc hiểu thói quen tiêu dùng và từ đó đưa ra chiến lược tiếp thị hiệu quả. Đây là một ứng dụng phổ biến trong thương mại điện tử và bán lẻ. Mời các bạn cùng tham khảo để biết thêm chi tiết!

54p hoatrongguong03 15-05-2025 1 1   Download

This study investigates the factors affecting students' intention to participate in training and development programs on Digital and Technological skills at Can Tho University of Technology. Using a survey of 339 students, the study employs reliability testing, exploratory factor analysis (EFA), and Partial Least Squares Structural Equation Modeling (PLS-SEM) to analyze the data.

9p vijiraiya 19-05-2025 5 1   Download

This paper explores the applications of Big Data in business network analysis, focusing on how it enhances supply chain visibility, risk management, and demand forecasting. It also addresses challenges like data privacy, security, and managing large datasets.

11p vijiraiya 19-05-2025 2 2   Download

This study aims to investigate the integration of social-emotional competences in the pre-service EFL teacher education curriculum of a pedagogical university in Vietnam. Document analysis was utilized and data analysis results show that although social-emotional competences are significantly represented in the curriculum, they are largely implicit and unevenly distributed across the five core social-emotional competences as well as their specific skills.

8p vijiraiya 19-05-2025 2 1   Download

This study aims to explore the spaces for English practice deployed at this institution and teachers’ perceived constraints on such environments. This study drew on a critical analysis of language-related policies, annual internal reports and website posts, and interview data with 10 fulltime English teachers at the university.

9p vijiraiya 19-05-2025 3 1   Download

Lecture Cryptography: Modern Symmetric Ciphers (Part 1) focuses on classical symmetric cipher algorithms and introduces modern techniques. The lecture explores block ciphers, stream ciphers, and provides an in-depth analysis of the Data Encryption Standard (DES). This serves as a foundation for understanding advanced symmetric encryption. Please refer to the lecture for more details!

64p hoatrongguong03 15-05-2025 1 1   Download

This study investigates the relationship between LCC expansion and international tourism demand, while also identifying key factors that influence tourism demand in ASEAN countries. Utilizing panel data from seven ASEAN member nations in the period 2010 to 2022, the analysis is conducted through a regression model.

5p vijiraiya 19-05-2025 3 1   Download

Bài giảng "Lập trình Python cho máy học: Bài 4 - Data validation & EDA application" giới thiệu quy trình kiểm tra dữ liệu (data validation) và phân tích khám phá dữ liệu (exploratory data analysis - EDA) trong bối cảnh lập trình Python cho máy học. Nội dung bao gồm phát hiện và xử lý dữ liệu thiếu, dữ liệu ngoại lai, định dạng sai; áp dụng các kỹ thuật thống kê mô tả và trực quan hóa dữ liệu để hiểu rõ cấu trúc và mối quan hệ trong tập dữ liệu.

43p bachlapkim01 09-05-2025 3 2   Download

Bài giảng "Lập trình Python cho máy học: Bài 10 - Xây dựng mô hình máy học" tập trung vào quy trình xây dựng mô hình máy học từ đầu đến cuối, bao gồm các bước huấn luyện, đánh giá và tối ưu hóa mô hình. Nội dung bao gồm cách chọn mô hình phù hợp, huấn luyện mô hình với dữ liệu, đánh giá hiệu suất mô hình qua các chỉ số như accuracy, precision, recall, F1-score, và sử dụng các kỹ thuật như cross-validation để đảm bảo mô hình không bị quá khớp.

39p bachlapkim01 09-05-2025 1 1   Download

Bài giảng "Lập trình Python cho máy học: Bài 11 - Xây dựng mô hình máy học (tt)" tập trung vào các kỹ thuật quan trọng trong việc xây dựng và tối ưu hóa mô hình máy học. Nội dung bao gồm: Model Selection và Evaluation; Handle Imbalanced Data Method; Error Analysis Model. Mời các bạn cùng tham khảo!

60p bachlapkim01 09-05-2025 2 1   Download

This research primarily seeks to understand the effects of various exercise programs on loneliness and social isolation experienced by the elderly, thereby supplying practical data for health promotion initiatives.

3p vimitsuki 06-05-2025 2 1   Download

To examine how phase angle (PhA) contributes to sarcopenia and factors influencing sarcopenia in patients with stable ischemic heart disease (SIHD). Methods: A cross-sectional descriptive study was conducted on 52 SIHD patients who were recruited, and relevant data was gathered. Patients were diagnosed with sarcopenia based on the Asian Sarcopenia Working Group 2019 (AWGS 2019) diagnostic criteria.

9p vimitsuki 06-05-2025 1 1   Download

This article presents an overview of Stream Algebra, a research field that has emerged after the birth of Relational Algebra used in Database Management Systems (DBMS). When Stream Data appeared and needed to be processed in real-time, the role of Stream Algebra became evident. Since the rise of Big Data, this field has received attention in recent years, the role of Stream Algebra has been further demonstrated.

7p visarada 28-04-2025 1 1   Download

In the design and calculation of stormwater drainage systems, the design rainfall intensity plays a crucial role and is widely used in runoff calculations. Due to the influence of local climatic factors, the selection of probability distributions for rainfall frequency analysis and the methods used to determine parameters for empirical equations result in a variety of equations compared to traditional Rainfall Intensity-Duration-Frequency curves.

12p visarada 28-04-2025 3 1   Download

This study is aimed to identify how first-year English-majored students at a Vietnam university might use notetaking to enhance their Englishlanguage receptive skills. In order to achieve this objective, data from a focus group interview of three research participants were collected and analysed through theme-based coding methods.

7p visarada 28-04-2025 3 2   Download

This study will analyze the relationship between corporate social responsibility (CSR) and sustainable tourism in the Mekong Delta, Vietnam. In the specific context of the development process in Vietnam, the researcher will try to understand the future of sustainable tourism. The researcher employs data analysis techniques to gather the respondents' demographic information, determine the data's validity, reduce the data's dimension, confirm the data's convergent validity, and calculate the influence of factors on tourists and stakeholders.

10p visarada 28-04-2025 3 1   Download

This study focuses on developing a machine learning model through the process of analyzing. comparing, and evaluating the performance of five models: AdaBoost, Decision Tree, RandomForest, ExtraTree, and BernoulliNB. All models are implemented using the "Predict Student Dropout Dataset." Based on the results obtained after processing the data, the study will conduct an analysis based on two main criteria: evaluation by average percentage, standard deviation, and final outcomes, as well as evaluation using a time-series model of age (Balanced Accuracy Progression).

16p visarada 28-04-2025 1 1   Download

The right Red river dyke has a crucial role to protect Hanoi capital from flooding. This study aims at evaluating the liquefaction potential of dyke foundation of right Red river dyke, from K73+500 to K74+100 based on the geotechnical investigation data (WRU, 2015).

3p vimaito 11-04-2025 1 1   Download