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chidungkt
Nguyen Chi Dung
Recently Published
Data Wrangling and Visualization with R (Course 16, Hanoi - November 2024)
10 days ago
Beautiful Black Theme
11 days ago
A Report for 360 Feedback Survey Data
about 1 month ago
Partial Least Squares Structural Equation Modeling (PLS-SEM) Using R
2 months ago
Latex Codes for Mathematical Expressions
3 months ago
Quantitative Portfolio Management Using R (Chapter 1)
3 months ago
Machine Learning Models for Used Car Price Prediction
4 months ago
Why Are Treemaps Better Than Bar Charts?
6 months ago
Graphic Design: Highlight and Color Text
9 months ago
Storytelling with Data: Let’s Practice (Chapter 2)
9 months ago
N-days Ahead Forecasting using Automated ARIMA
10 months ago
Game User Segmentation and Customer Portrait Based on Behavioral Data Using RFM Approach with K-means Clustering Algorithm
12 months ago
Machine Learning Algorithms for Housing Price Prediction
about 1 year ago
Prostitutes in Vietnam: Estimate Daily Revenue from Webscraped Data
about 1 year ago
EEG Brainwave Data for Emotional Sentiment Classification using Auto Machine Learning
about 1 year ago
Học bổng học kì 2 năm học 2022-2023, ĐHBK Hà Nội
over 1 year ago
Data Pre-processing: Vietnam Enterprise Survey (VES) Data - Condensed Version
over 1 year ago
Undergraduate Econometrics (R Version)
over 1 year ago
Data Pre-processing: Case of Vietnam Enterprise Survey (VES)
over 1 year ago
Investment climate change from 2011 to 2020 based on PCI score
over 1 year ago
Bump Chart for PCI 2018 Score
almost 2 years ago
Spatial Data Visualization Course
almost 2 years ago
Bayesian Optimization for Selecting Optimal Parameters: Give Me Some Credit Competition from Kaggle
about 2 years ago
Ivy League Acceptance Rates 2022 - 2026
about 2 years ago
Ivy League Acceptance Rates 2022
about 2 years ago
Recreate FiveThirtyEight Chart: How to Tell Someone’s Age When All You Know Is Her Name
about 2 years ago
Visualize Likert Scales
about 2 years ago
Harmonize Differences between VHLSS and GADM Data
about 2 years ago
The Deadliest Days Due to COVID-19
about 2 years ago
R for Data Visualization: Recreate Bubble Chart by The Economist (version 2)
about 2 years ago
R for Data Visualization: Recreate Bar Chart by The Economist
about 2 years ago
R for Data Visualization: Recreate Bubble Chart by The Economist
about 2 years ago
R for Data Visualization: A Case from Financial Times
about 2 years ago
R for Data Visualization: A Case from The Economist
about 2 years ago
R for Data Visualization: A Case from The Economist
about 2 years ago
Misleading charts: Truncated Bar Plot
about 2 years ago
Data Visualization using R: The 2018 Atlas of Sustainable Development Goals
about 2 years ago
Market share of mobile service providers in Vietnam in 2020
about 2 years ago
Data Visualization from VHLSS 2020: Household Income Inequality in Vietnam
about 2 years ago
Data Visualization using R: The 2018 Atlas of Sustainable Development Goals
about 2 years ago
R for Data Visualization: The 2018 Atlas of Sustainable Development Goals
about 2 years ago
R for Data Visualization: Replicating Financial Times Graph (naive version)
over 2 years ago
R for Data Visualization: Replicating Financial Times Graph
over 2 years ago
Country flags as y-axis labels for Bar Plot
over 2 years ago
Make Our Bar Plot More Elegant
over 2 years ago
Final Test, Simon Fraser University
over 2 years ago
Using R for Trade Policy Analysis
over 2 years ago
R Guide for Business Forecasting Course
over 2 years ago
Monotonic Optimal Binning for Feature Selection: Empirical Evidence from Corporate Bankruptcy Prediction, Kaggle 2021 Competition
over 2 years ago
Information Value for Feature Selection: Corporate Bankruptcy Prediction from Kaggle 2021 Competition
over 2 years ago
Corporate Bankruptcy Prediction: Empirical Evidence from Taiwanese Firms
over 2 years ago
Convolutional Neural Network (CNN) for Predicting Patients Infected Covid 19 from CT Scan Image
over 2 years ago
Triangulated Maximally Filtered Graph (TMFG) for Portfolio Selection
almost 3 years ago
Florence Nightingale’s Data On Deaths From Various Causes In The Crimean War (Updated Version)
almost 3 years ago
Real-World Machine Learning: A Hands-on Approach using R
about 3 years ago
Data Scraping from Web
about 3 years ago
Clustering Algorithms: A Real-world Case
about 3 years ago
Simultaneously Train and Compare 125 Supervised Machine Learning Algorithms
about 3 years ago
Structural Equation Modeling (SEM) Using R: Confirmatory Factor Analysis (CFA)
about 3 years ago
How to Fake Data for Research Paper
about 3 years ago
Alcohol Project: VHLSS Data from GSO
about 3 years ago
Data Wrangling: A Real-World Case
about 3 years ago
Prepare Panel Data for Econometric Analysis from VHLSS
about 3 years ago
Gaps in Household Income From VHLSS 2018
about 3 years ago
Household Investment and Income: Some Insights from VHLSS 2018
over 3 years ago
The urban-rual gap in expenditure for health care by household, VHLSS 2018
over 3 years ago
Quantitative Finance: Compare Portfolio Performance using Backtesting
over 3 years ago
Mastering Apache Spark with R (Chapter 2)
over 3 years ago
Population Pyramids of Vietnam in 1999 (Minnesota Population Center)
over 3 years ago
Data Pre-processing: Case of VES (Vietnam Enterprise Survey)
over 3 years ago
Fill in Missing Values with Previous Value: Case of VES (Vietnam Enterprise Survey) Data Set
over 3 years ago
Quantitative Finance: Compare Investment Strategies Using Backtesting
over 3 years ago
Use Google Fonts
over 3 years ago
Bayesian Modelling with Rstan
over 3 years ago
Quantitative Finance: Bayesian Portfolio Selection
over 3 years ago
Quantitative Finance: Portfolio Theory (Part 2)
over 3 years ago
Quantitative Finance: Portfolio Theory (P1)
over 3 years ago
Tidy Tuesday Project for Data Science
over 3 years ago
Administrative Map of Vietnam + Spratly and Paracel Islands
almost 4 years ago
Reshaping Data from Wide to Long (and Vice Versa)
almost 4 years ago
Hierarchical Clustering
almost 4 years ago
Infographics Using R
almost 4 years ago
Shapes of Histograms
almost 4 years ago
Compare Maximum Profit between Random Forest and Logistic (tidymodels)
almost 4 years ago
Understand ROC Curve and Search Threshold that maximizes Profit
almost 4 years ago
Data pre-processing for Kalapa Credit Scoring Challenge
almost 4 years ago
Should we impute missing data? (Python)
almost 4 years ago
Effect of Hyperparameter Optimization on Profit (Python)
about 4 years ago
Effect of AUC on maximum profit (Python)
about 4 years ago
Profit Criterion for selecting Machine Learning Classifier (Python)
about 4 years ago
Bayesian Optimization for searching optimal Recall for XGBoost Classifier (Python)
about 4 years ago
Benford law as a feature engineering technique for Machine Learning Models
about 4 years ago
Why You Should Not Use Pie Chart
about 4 years ago
Misleading Charts by The Economist and Correction
about 4 years ago
U.S. Unemployment
about 4 years ago
2019 Kaggle ML & DS Survey (Part 1)
about 4 years ago
Crawl Data from Vietnam Job Websites
about 4 years ago
Recommendation System (Part 4)
about 4 years ago
Bar Chart Race Animation
about 4 years ago
Ages through Time and Space
about 4 years ago
Recommendation System (Part 3)
about 4 years ago
Recommendation System (Part 2)
about 4 years ago
Recommendation System (Part 1)
over 4 years ago
Math Score Distribution by Ha Giang
over 4 years ago
Download Your Favorite Textbook and Scientific Reseach Paper
over 4 years ago
Data Imputation: A case from Kaggle Competition (Part 1)
over 4 years ago
Dual y-axis with ggplot2: Safe Skies
over 4 years ago
SIR model for understanding Coronavirus pandemic
over 4 years ago
Coronavirus cases in Vietnam (Line + Bar Version)
over 4 years ago
Coronavirus cases in Vietnam
over 4 years ago
Auto ARIMA for forecasting Deaths by Coronavirus in Italy
over 4 years ago
Corona Virus Prevalence by Country
over 4 years ago
Automated Machine Learning for Credit Scoring Problem
over 4 years ago
Predicting Employee Churn: A Short Comparision between Xgboost and Keras Deep Learning
over 4 years ago
Classification Cutoff Maximizes Profit using Bayesian Optimization
over 4 years ago
Bayesian Optimization for Turning XGBoost Hyperparameter
over 4 years ago
Kalapa’s Credit Scoring Challenge - A Naive Approach with Ranking of 19
over 4 years ago
Pity Russia’s billionaires (complete version)
over 4 years ago
Pity Russia’s billionaires
over 4 years ago
Average annual hours worked by persons engaged, 2017
almost 5 years ago
Share of Vietnam government spending on health care, 2014
almost 5 years ago
Vietnam ’s fertility rate
almost 5 years ago
Origin of crude oil imported to China
almost 5 years ago
Matters of the heart
almost 5 years ago
Global terrorism, 2000 - 2014 (Version 2)
almost 5 years ago
Global terrorism, 2000 - 2014 (Version 1)
almost 5 years ago
Greying of the Nobel laureates
almost 5 years ago
Gender Pay Gap by Britain Banks
almost 5 years ago
Gap in Life expectancy between Male and Female
almost 5 years ago
Life expectancy gender gap, 2018
almost 5 years ago
AUC or IV Criterion - Which Method is Better for Feature Engineering?
almost 5 years ago
Predict Customer Purchase (Deployment/Application)
almost 5 years ago
Predict Customer Purchase (GBM and Adjust Cutoff for Classification)
almost 5 years ago
Predict Customer Purchase
almost 5 years ago
Market Segmentation: K-means Clustering Algorithm
almost 5 years ago
Average Penis and Breast Size by Country
about 5 years ago
30 Shortest Countries, 2019
about 5 years ago
Create Bar Chart with Descending Order of Proportion by Using geom_col()
about 5 years ago
Spam Detection Using Random Forest Algorithm
about 5 years ago
Share of Government Spending on Health Care: Vietnam and United States
about 5 years ago
Portfolio Theory: Estimate Beta for All Companies Listed on Ho Chi Minh Stock Exchange (HOSE)
about 5 years ago
wbstats - R Package for Collecting Data From World Bank
about 5 years ago
Quantile Regression Using R
about 5 years ago
Replicate a The Economist Style Graph (Area Chart)
about 5 years ago
Mapping Vietnam Provincial Competitiveness Index 2018
about 5 years ago
Population Structure of Vietnam: 1995 - 2018
about 5 years ago
Scraping Data from VNDIRECT Securities Corporation
about 5 years ago
Reodering for Grouped Barplot
about 5 years ago
Kaggle Data Science Survey (Median Salary by Major)
over 5 years ago
Mini Course: Collect Data for 78704 Homes for Sale in Hanoi
over 5 years ago
US Military Fatal Casualties During the Vietnam War
over 5 years ago
Using Accuracy Criterion for Credit Classification Can Cause Disaster for Banks
over 5 years ago
R for Psychologists and Marketing Research: Structural Equation Modeling (SEM)
over 5 years ago
Visualization of Classifier Performance
over 5 years ago
Population Pyramid Graph for Vietnam in 2018
over 5 years ago
Kaggle Data Science Survey (Hardware Using for Data Science Projects)
over 5 years ago
Kaggle Data Science Survey (Compensation and Degree)
over 5 years ago
Kaggle Data Science Survey (Data Wrangling May Be The Most Time-Consuming)
over 5 years ago
Kaggle Data Science Survey (Most Used ML Models)
over 5 years ago
Kaggle Data Science Survey
over 5 years ago
Effect of AUC on Sensitivity and Specificity by Machine Learning Model
over 5 years ago
Top Seven Trade Partners of Vietnam by Export Volume
over 5 years ago
IFRS 9 and CECL Credit Risk Modelling (Chapter 3, Part 1)
over 5 years ago
China is Redrawing the Map of World Science
over 5 years ago
Worst Airlines by Flight Delays/Cancellations in Vietnam
over 5 years ago
World Nuclear Power Report 2018
over 5 years ago
A Detailed Comparison Between Machine Learning and Logistic Approach to Scorecard Modelling/Credit Scoring
over 5 years ago
The Problem of Monotonic Binning when Developing Scorecard Model
over 5 years ago
IFRS 9 and CECL Credit Risk Modelling and Validation (Chapter 2)
over 5 years ago
Does Balancing Classes Improve Classifier Performance?
over 5 years ago
Deep Learning for Credit Scoring in the Era of Big Data (Adapted from a research conducted by MIS, Banking Academy of Vietnam)
over 5 years ago
China–United States Trade War: Facts and Figures
over 5 years ago
Consequences of WOE Binning for Logistic Regression
over 5 years ago
Perform Logistic Regression with R
over 5 years ago
Cumulative Accuracy Profile (CAP) and Accuracy Ratio (AR) Estimation
over 5 years ago
Does WOE Transformation Improve Logistic Regression’s Performance?
over 5 years ago
A Naive Approach to Ranking Vietnam Universities
almost 6 years ago
When You Need Explanation: Decision Tree Algorithms (CART and CHAID)
almost 6 years ago
Lasso and Ridge Logistic (h2o Package)
almost 6 years ago
My Secret Codes: Logistic vs Support Vector Machine (kernlab Package)
almost 6 years ago
Ensemble Learning Methods: What Are They and Why Use Them?
almost 6 years ago
Use Autoencoder as a Feature Engineering Technique
almost 6 years ago
Training and Turning Parameters for Random Forest Using h2o Package
almost 6 years ago
Detecting Financial Fraud Using Machine Learning: War Against Imbalanced Data
almost 6 years ago
Measuring Model Performance in Classification Models: A Short Explanation About Confusion Matrix and Its Application
almost 6 years ago
Problem of Low Default Portfolios (LDPs) in Credit Scoring and Modelling Scorecard
almost 6 years ago
An Application of Credit Scoring: Developing Scorecard Model for A Vietnam Commercial Bank
almost 6 years ago
Feature Selection for Logistic Classifier based on AIC Criterion
almost 6 years ago
Missing-data Imputation and Use map() Function for Comparing among Alternatives (diabetes.csv)
almost 6 years ago
Best Global Universities: An Application of Using try() Funtion
almost 6 years ago
Predictions for Daily Cash Withdrawals at ATMs
almost 6 years ago
Happy Vietnam Women’s Day
almost 6 years ago
Forecasting Time Series: Auto ARIMA, Ensemble Method and Artificial Neural Networks
almost 6 years ago
Forecasting Daily Cash Demand: Long Short Term Memory vs ARIMA Aprroach
almost 6 years ago
Forecasting Daily Cash Demand: A Short Comparision between Automatic Machine Learning and ARIMA Aprroach (Case 1)
about 6 years ago
One-step Ahead Prediction for Cash Withdrawals: Comparing Three Approaches to Forecasting
about 6 years ago
Cointegrated Time Series and Augmented Dickey Fuller Test
about 6 years ago
Holt-Winters’ Seasonal Methods for Forecasting Time Series
about 6 years ago
Using R Markdown for Reporting: Template 2
about 6 years ago
Using R Markdown for Reporting: Template 1
about 6 years ago
Colour Gradient and Theme (ggplot2)
about 6 years ago
geom_ribbon()
about 6 years ago
Data Visualization (GSO, Part 4)
over 6 years ago
Data Visualization (GSO, Part 3)
over 6 years ago
Data Visualization (GSO, Part 2)
over 6 years ago
Data Visualization (GSO, Part 1)
over 6 years ago
GDP Sector Composition
over 6 years ago
Nice Bar Graph from Data Visualisation with R: 100 Examples
over 6 years ago
Use Favorite Fonts in R
over 6 years ago
Using Colours (viridis package)
over 6 years ago
Feture Selection / Engineering for Machine Learning Models
over 6 years ago
A Function for Calculating Distance based on Haversine Formula
over 6 years ago
Daily Income of Sex Workers in Hanoi and Saigon
over 6 years ago
Location of Real Estate Projects in Hanoi
over 6 years ago
NGO Jobs (30_03)
over 6 years ago
Florence Nightingale’s Data On Deaths From Various Causes In The Crimean War
over 6 years ago
A Big Project for Data Science in Banking Course (Part 2)
over 6 years ago
Approach in Machine Learning and caret Package
over 6 years ago
Steps for Implementing a Machine Learning Project
over 6 years ago
A Big Project for Data Science in Banking Course (Part 1)
over 6 years ago
R Course: Data Analytics in Banking for Bankers
over 6 years ago
Parallel Computing for Machine Learning Algorithms
over 6 years ago
Professors 2017
over 6 years ago
Data Analysis Course at USTH (Section: Statistics, Part 3)
over 6 years ago
Using R for Biostatistics (USTH Course, Part 2)
over 6 years ago
Loại bỏ Outliers theo Cook’s Distance hoặc nằm ngoài 2 lần độ lệch chuẩn so với mean của phần dư
over 6 years ago
Regression Line with Error Distances
over 6 years ago
Predict and Analyze Customer Churn using Survival Analysis (R Project, Week 1)
almost 7 years ago
Principal Component Analysis (Principal Component Methods in R)
almost 7 years ago
Information Value and Weight of Evidence (WoE)
almost 7 years ago
Machine Learning: Parallel computing in R
almost 7 years ago
Adjust theme for ggplot2 (Part 1)
about 7 years ago
Citation Analysis 2
about 7 years ago
Machine Learning: Ridge Regression from An Introduction to Statistical Learning, Chapter 6
about 7 years ago
Text Mining: The number of English words used for Basic Econometrics by Gujarati
about 7 years ago
Marketing Research with SPSS (Chapter 5, Part 1)
about 7 years ago
Machine Learning (Section 1): Linear Regression and Its Cousins - Ridge Regression
about 7 years ago
The most Popular Econometricians
about 7 years ago
John Tukey and Boxplot
about 7 years ago
Số từ sử dụng để viết Principles of Economics
over 7 years ago