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chidungkt
Nguyen Chi Dung
Recently Published
R for Data Pre-processing and Reporting
about 15 hours ago
N-days Ahead Forecasting using Automated ARIMA
2 days ago
Game User Segmentation and Customer Portrait Based on Behavioral Data Using RFM Approach with K-means Clustering Algorithm
about 2 months ago
Machine Learning Algorithms for Housing Price Prediction
3 months ago
Prostitutes in Vietnam: Estimate Daily Revenue from Webscraped Data
3 months ago
EEG Brainwave Data for Emotional Sentiment Classification using Auto Machine Learning
3 months ago
Học bổng học kì 2 năm học 2022-2023, ĐHBK Hà Nội
5 months ago
Data Pre-processing: Vietnam Enterprise Survey (VES) Data - Condensed Version
9 months ago
Undergraduate Econometrics (R Version)
9 months ago
Data Pre-processing: Case of Vietnam Enterprise Survey (VES)
9 months ago
Data Wrangling and Visualization with R (Course 14, Hanoi - March 2023)
10 months ago
Investment climate change from 2011 to 2020 based on PCI score
11 months ago
Bump Chart for PCI 2018 Score
12 months ago
Spatial Data Visualization Course
12 months ago
Bayesian Optimization for Selecting Optimal Parameters: Give Me Some Credit Competition from Kaggle
over 1 year ago
Ivy League Acceptance Rates 2022 - 2026
over 1 year ago
Ivy League Acceptance Rates 2022
over 1 year ago
Recreate FiveThirtyEight Chart: How to Tell Someone’s Age When All You Know Is Her Name
over 1 year ago
Visualize Likert Scales
over 1 year ago
Harmonize Differences between VHLSS and GADM Data
over 1 year ago
The Deadliest Days Due to COVID-19
over 1 year ago
R for Data Visualization: Recreate Bubble Chart by The Economist (version 2)
over 1 year ago
R for Data Visualization: Recreate Bar Chart by The Economist
over 1 year ago
R for Data Visualization: Recreate Bubble Chart by The Economist
over 1 year ago
R for Data Visualization: A Case from Financial Times
over 1 year ago
R for Data Visualization: A Case from The Economist
over 1 year ago
R for Data Visualization: A Case from The Economist
over 1 year ago
Misleading charts: Truncated Bar Plot
over 1 year ago
Data Visualization using R: The 2018 Atlas of Sustainable Development Goals
over 1 year ago
Market share of mobile service providers in Vietnam in 2020
over 1 year ago
Data Visualization from VHLSS 2020: Household Income Inequality in Vietnam
over 1 year ago
Data Visualization using R: The 2018 Atlas of Sustainable Development Goals
over 1 year ago
R for Data Visualization: The 2018 Atlas of Sustainable Development Goals
over 1 year ago
R for Data Visualization: Replicating Financial Times Graph (naive version)
over 1 year ago
R for Data Visualization: Replicating Financial Times Graph
over 1 year ago
Country flags as y-axis labels for Bar Plot
over 1 year ago
Make Our Bar Plot More Elegant
over 1 year ago
Final Test, Simon Fraser University
over 1 year ago
Using R for Trade Policy Analysis
over 1 year ago
R Guide for Business Forecasting Course
almost 2 years ago
Monotonic Optimal Binning for Feature Selection: Empirical Evidence from Corporate Bankruptcy Prediction, Kaggle 2021 Competition
almost 2 years ago
Information Value for Feature Selection: Corporate Bankruptcy Prediction from Kaggle 2021 Competition
almost 2 years ago
Corporate Bankruptcy Prediction: Empirical Evidence from Taiwanese Firms
almost 2 years ago
Convolutional Neural Network (CNN) for Predicting Patients Infected Covid 19 from CT Scan Image
almost 2 years ago
Triangulated Maximally Filtered Graph (TMFG) for Portfolio Selection
about 2 years ago
Florence Nightingale’s Data On Deaths From Various Causes In The Crimean War (Updated Version)
about 2 years ago
Real-World Machine Learning: A Hands-on Approach using R
about 2 years ago
Data Scraping from Web
about 2 years ago
Clustering Algorithms: A Real-world Case
about 2 years ago
Simultaneously Train and Compare 125 Supervised Machine Learning Algorithms
over 2 years ago
Structural Equation Modeling (SEM) Using R: Confirmatory Factor Analysis (CFA)
over 2 years ago
How to Fake Data for Research Paper
over 2 years ago
Alcohol Project: VHLSS Data from GSO
over 2 years ago
Data Wrangling: A Real-World Case
over 2 years ago
Prepare Panel Data for Econometric Analysis from VHLSS
over 2 years ago
Gaps in Household Income From VHLSS 2018
over 2 years ago
Household Investment and Income: Some Insights from VHLSS 2018
over 2 years ago
The urban-rual gap in expenditure for health care by household, VHLSS 2018
over 2 years ago
Quantitative Finance: Compare Portfolio Performance using Backtesting
over 2 years ago
Mastering Apache Spark with R (Chapter 2)
over 2 years ago
Population Pyramids of Vietnam in 1999 (Minnesota Population Center)
over 2 years ago
Data Pre-processing: Case of VES (Vietnam Enterprise Survey)
over 2 years ago
Fill in Missing Values with Previous Value: Case of VES (Vietnam Enterprise Survey) Data Set
over 2 years ago
Quantitative Finance: Compare Investment Strategies Using Backtesting
over 2 years ago
Use Google Fonts
over 2 years ago
Bayesian Modelling with Rstan
almost 3 years ago
Quantitative Finance: Bayesian Portfolio Selection
almost 3 years ago
Quantitative Finance: Portfolio Theory (Part 2)
almost 3 years ago
Quantitative Finance: Portfolio Theory (P1)
almost 3 years ago
Tidy Tuesday Project for Data Science
almost 3 years ago
Administrative Map of Vietnam + Spratly and Paracel Islands
almost 3 years ago
Reshaping Data from Wide to Long (and Vice Versa)
almost 3 years ago
Hierarchical Clustering
almost 3 years ago
Infographics Using R
almost 3 years ago
Shapes of Histograms
about 3 years ago
Compare Maximum Profit between Random Forest and Logistic (tidymodels)
about 3 years ago
Understand ROC Curve and Search Threshold that maximizes Profit
about 3 years ago
Data pre-processing for Kalapa Credit Scoring Challenge
about 3 years ago
Should we impute missing data? (Python)
about 3 years ago
Effect of Hyperparameter Optimization on Profit (Python)
about 3 years ago
Effect of AUC on maximum profit (Python)
about 3 years ago
Profit Criterion for selecting Machine Learning Classifier (Python)
about 3 years ago
Bayesian Optimization for searching optimal Recall for XGBoost Classifier (Python)
about 3 years ago
Benford law as a feature engineering technique for Machine Learning Models
over 3 years ago
Why You Should Not Use Pie Chart
over 3 years ago
Misleading Charts by The Economist and Correction
over 3 years ago
U.S. Unemployment
over 3 years ago
2019 Kaggle ML & DS Survey (Part 1)
over 3 years ago
Crawl Data from Vietnam Job Websites
over 3 years ago
Recommendation System (Part 4)
over 3 years ago
Bar Chart Race Animation
over 3 years ago
Ages through Time and Space
over 3 years ago
Recommendation System (Part 3)
over 3 years ago
Recommendation System (Part 2)
over 3 years ago
Recommendation System (Part 1)
over 3 years ago
Math Score Distribution by Ha Giang
over 3 years ago
Download Your Favorite Textbook and Scientific Reseach Paper
over 3 years ago
Data Imputation: A case from Kaggle Competition (Part 1)
over 3 years ago
Dual y-axis with ggplot2: Safe Skies
over 3 years ago
SIR model for understanding Coronavirus pandemic
over 3 years ago
Coronavirus cases in Vietnam (Line + Bar Version)
over 3 years ago
Coronavirus cases in Vietnam
over 3 years ago
Auto ARIMA for forecasting Deaths by Coronavirus in Italy
over 3 years ago
Corona Virus Prevalence by Country
almost 4 years ago
Automated Machine Learning for Credit Scoring Problem
almost 4 years ago
Predicting Employee Churn: A Short Comparision between Xgboost and Keras Deep Learning
almost 4 years ago
Classification Cutoff Maximizes Profit using Bayesian Optimization
almost 4 years ago
Bayesian Optimization for Turning XGBoost Hyperparameter
almost 4 years ago
Kalapa’s Credit Scoring Challenge - A Naive Approach with Ranking of 19
almost 4 years ago
Pity Russia’s billionaires (complete version)
almost 4 years ago
Pity Russia’s billionaires
almost 4 years ago
Average annual hours worked by persons engaged, 2017
almost 4 years ago
Share of Vietnam government spending on health care, 2014
almost 4 years ago
Vietnam ’s fertility rate
almost 4 years ago
Origin of crude oil imported to China
almost 4 years ago
Matters of the heart
almost 4 years ago
Global terrorism, 2000 - 2014 (Version 2)
almost 4 years ago
Global terrorism, 2000 - 2014 (Version 1)
almost 4 years ago
Greying of the Nobel laureates
almost 4 years ago
Gender Pay Gap by Britain Banks
almost 4 years ago
Gap in Life expectancy between Male and Female
almost 4 years ago
Life expectancy gender gap, 2018
almost 4 years ago
AUC or IV Criterion - Which Method is Better for Feature Engineering?
almost 4 years ago
Predict Customer Purchase (Deployment/Application)
about 4 years ago
Predict Customer Purchase (GBM and Adjust Cutoff for Classification)
about 4 years ago
Predict Customer Purchase
about 4 years ago
Market Segmentation: K-means Clustering Algorithm
about 4 years ago
Average Penis and Breast Size by Country
about 4 years ago
30 Shortest Countries, 2019
about 4 years ago
Create Bar Chart with Descending Order of Proportion by Using geom_col()
over 4 years ago
Spam Detection Using Random Forest Algorithm
over 4 years ago
Share of Government Spending on Health Care: Vietnam and United States
over 4 years ago
Portfolio Theory: Estimate Beta for All Companies Listed on Ho Chi Minh Stock Exchange (HOSE)
over 4 years ago
wbstats - R Package for Collecting Data From World Bank
over 4 years ago
Quantile Regression Using R
over 4 years ago
Replicate a The Economist Style Graph (Area Chart)
over 4 years ago
Mapping Vietnam Provincial Competitiveness Index 2018
over 4 years ago
Population Structure of Vietnam: 1995 - 2018
over 4 years ago
Scraping Data from VNDIRECT Securities Corporation
over 4 years ago
Reodering for Grouped Barplot
over 4 years ago
Kaggle Data Science Survey (Median Salary by Major)
over 4 years ago
Mini Course: Collect Data for 78704 Homes for Sale in Hanoi
over 4 years ago
US Military Fatal Casualties During the Vietnam War
over 4 years ago
Using Accuracy Criterion for Credit Classification Can Cause Disaster for Banks
over 4 years ago
R for Psychologists and Marketing Research: Structural Equation Modeling (SEM)
over 4 years ago
Visualization of Classifier Performance
over 4 years ago
Population Pyramid Graph for Vietnam in 2018
over 4 years ago
Kaggle Data Science Survey (Hardware Using for Data Science Projects)
over 4 years ago
Kaggle Data Science Survey (Compensation and Degree)
over 4 years ago
Kaggle Data Science Survey (Data Wrangling May Be The Most Time-Consuming)
over 4 years ago
Kaggle Data Science Survey (Most Used ML Models)
over 4 years ago
Kaggle Data Science Survey
over 4 years ago
Effect of AUC on Sensitivity and Specificity by Machine Learning Model
over 4 years ago
Top Seven Trade Partners of Vietnam by Export Volume
over 4 years ago
IFRS 9 and CECL Credit Risk Modelling (Chapter 3, Part 1)
over 4 years ago
China is Redrawing the Map of World Science
over 4 years ago
Worst Airlines by Flight Delays/Cancellations in Vietnam
over 4 years ago
World Nuclear Power Report 2018
over 4 years ago
A Detailed Comparison Between Machine Learning and Logistic Approach to Scorecard Modelling/Credit Scoring
over 4 years ago
The Problem of Monotonic Binning when Developing Scorecard Model
over 4 years ago
IFRS 9 and CECL Credit Risk Modelling and Validation (Chapter 2)
over 4 years ago
Does Balancing Classes Improve Classifier Performance?
over 4 years ago
Never Argue with Stupid People
over 4 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 4 years ago
China–United States Trade War: Facts and Figures
over 4 years ago
Consequences of WOE Binning for Logistic Regression
over 4 years ago
Perform Logistic Regression with R
over 4 years ago
Cumulative Accuracy Profile (CAP) and Accuracy Ratio (AR) Estimation
over 4 years ago
Does WOE Transformation Improve Logistic Regression’s Performance?
over 4 years ago
A Naive Approach to Ranking Vietnam Universities
almost 5 years ago
When You Need Explanation: Decision Tree Algorithms (CART and CHAID)
almost 5 years ago
Lasso and Ridge Logistic (h2o Package)
almost 5 years ago
My Secret Codes: Logistic vs Support Vector Machine (kernlab Package)
almost 5 years ago
Ensemble Learning Methods: What Are They and Why Use Them?
almost 5 years ago
Use Autoencoder as a Feature Engineering Technique
almost 5 years ago
Training and Turning Parameters for Random Forest Using h2o Package
almost 5 years ago
Detecting Financial Fraud Using Machine Learning: War Against Imbalanced Data
almost 5 years ago
Measuring Model Performance in Classification Models: A Short Explanation About Confusion Matrix and Its Application
about 5 years ago
Problem of Low Default Portfolios (LDPs) in Credit Scoring and Modelling Scorecard
about 5 years ago
An Application of Credit Scoring: Developing Scorecard Model for A Vietnam Commercial Bank
about 5 years ago
Feature Selection for Logistic Classifier based on AIC Criterion
about 5 years ago
Missing-data Imputation and Use map() Function for Comparing among Alternatives (diabetes.csv)
about 5 years ago
Best Global Universities: An Application of Using try() Funtion
about 5 years ago
Predictions for Daily Cash Withdrawals at ATMs
about 5 years ago
Happy Vietnam Women’s Day
about 5 years ago
Forecasting Time Series: Auto ARIMA, Ensemble Method and Artificial Neural Networks
about 5 years ago
Forecasting Daily Cash Demand: Long Short Term Memory vs ARIMA Aprroach
about 5 years ago
Forecasting Daily Cash Demand: A Short Comparision between Automatic Machine Learning and ARIMA Aprroach (Case 1)
about 5 years ago
One-step Ahead Prediction for Cash Withdrawals: Comparing Three Approaches to Forecasting
about 5 years ago
Cointegrated Time Series and Augmented Dickey Fuller Test
about 5 years ago
Holt-Winters’ Seasonal Methods for Forecasting Time Series
about 5 years ago
Using R Markdown for Reporting: Template 2
over 5 years ago
Using R Markdown for Reporting: Template 1
over 5 years ago
Colour Gradient and Theme (ggplot2)
over 5 years ago
geom_ribbon()
over 5 years ago
Data Visualization (GSO, Part 4)
over 5 years ago
Data Visualization (GSO, Part 3)
over 5 years ago
Data Visualization (GSO, Part 2)
over 5 years ago
Data Visualization (GSO, Part 1)
over 5 years ago
GDP Sector Composition
over 5 years ago
Nice Bar Graph from Data Visualisation with R: 100 Examples
over 5 years ago
Use Favorite Fonts in R
over 5 years ago
Using Colours (viridis package)
over 5 years ago
Feture Selection / Engineering for Machine Learning Models
over 5 years ago
A Function for Calculating Distance based on Haversine Formula
over 5 years ago
Daily Income of Sex Workers in Hanoi and Saigon
over 5 years ago
Location of Real Estate Projects in Hanoi
over 5 years ago
NGO Jobs (30_03)
over 5 years ago
Florence Nightingale’s Data On Deaths From Various Causes In The Crimean War
over 5 years ago
A Big Project for Data Science in Banking Course (Part 2)
over 5 years ago
Approach in Machine Learning and caret Package
over 5 years ago
Steps for Implementing a Machine Learning Project
over 5 years ago
A Big Project for Data Science in Banking Course (Part 1)
over 5 years ago
R Course: Data Analytics in Banking for Bankers
almost 6 years ago
Parallel Computing for Machine Learning Algorithms
almost 6 years ago
Professors 2017
almost 6 years ago
Data Analysis Course at USTH (Section: Statistics, Part 3)
almost 6 years ago
Using R for Biostatistics (USTH Course, Part 2)
almost 6 years ago
Loại bỏ Outliers theo Cook’s Distance hoặc nằm ngoài 2 lần độ lệch chuẩn so với mean của phần dư
almost 6 years ago
Regression Line with Error Distances
almost 6 years ago
Predict and Analyze Customer Churn using Survival Analysis (R Project, Week 1)
about 6 years ago
Principal Component Analysis (Principal Component Methods in R)
about 6 years ago
Information Value and Weight of Evidence (WoE)
about 6 years ago
Machine Learning: Parallel computing in R
about 6 years ago
Adjust theme for ggplot2 (Part 1)
about 6 years ago
Citation Analysis 2
about 6 years ago
Machine Learning: Ridge Regression from An Introduction to Statistical Learning, Chapter 6
about 6 years ago
Text Mining: The number of English words used for Basic Econometrics by Gujarati
about 6 years ago
Marketing Research with SPSS (Chapter 5, Part 1)
about 6 years ago
Machine Learning (Section 1): Linear Regression and Its Cousins - Ridge Regression
over 6 years ago
The most Popular Econometricians
over 6 years ago
John Tukey and Boxplot
over 6 years ago
Số từ sử dụng để viết Principles of Economics
over 6 years ago