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T. Nguyen

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Manipulating data using tidyverse
Manipulating data using tidyverse
Analysis of citations for most-cited scientists (VN, 2021)
Story here: https://nguyenvantuan.info/2021/10/26/xep-hang-nha-khoa-hoc-va-tu-trich-dan
Hướng dẫn vẽ biểu đồ thanh đơn giản
Hướng dẫn vẽ biểu đồ thanh đơn giản
Simulation using R
In this document, I present a series of simple simulations using R.
Doing descriptive analysis with R
An introduction to table1 and compareGroups packages
Analysis of interim data on Molnupiravir
Analysis of interim data on Molnupiravir
Common plots in scientific studies using ggplot2
Introducing histogram, boxplot, scatterplot, etc
Population density and covid cases
Analysis of association between population density and covid mortality in 62 provinces and cities in Vietnam. Data updated 28/9/2021.
Meta-analysis of single proportions
Data are from various RCTs (placebo group)
Covid mortality around the world
Covid mortality around the world (till 5/9/2021)
Number of covid cases in Ho Chi Minh City 8/2021
Number of covid cases in Ho Chi Minh City 8/2021
Meta-analysis of mortality and Ivermection
Analysis of Andy Hill paper
Plot of dated data (covid)
Number of tests and positives
ggplot with text (covid mortality)
Covid mortality as at 28/8/2021
Plot of correlation matrix
This note introduces a number of approaches for plotting a correlation matrix. The methods covered are psych, GGally, and corrplot packages.
Specification of x- and y-axis in ggplot2
Specification of x- and y-axis in ggplot2
Cox's proportional hazards model
R codes for Cox's proportional hazards regression. Youtube channel: https://www.youtube.com/user/drnguyenvtuan
Kaplan - Meier analysis
Kaplan - Meier analysis in my youtube channel https://www.youtube.com/user/drnguyenvtuan
Anthropometric data of Miss Vietnam
Anthropometric data of Miss Vietnam 1988 to 2020
Experience with pipe
Experience with pipe
Experience with ggiraphExtra
Some experience with Experience with ggiraphExtra
Projection of Covid-19 for Danang
Dự báo dịch Vũ Hán cho Đà Nẵng (theo mô hình dịch tễ học)
Temp data analysis
Temporary data and codes
Drawing Vietnam map data
Using ggplot2 and related packages to draw Vietnam maps
IQ and income of US Presidents
IQ and income of US Presidents
NHMRC Investigator Grants 2020
An analysis of NHMRC Investigator Grants 2020
Shaded normal plot
Shaded normal plot
Common graphs using R
Common graphs using R
Re-analysis of hydroxychloroquine (HCQ) and azithromycin data
This is a secondary analysis of the data from the open trial evaluating the efficacy of hydroxychloroquine and azithromycin in the treatment of patients infected with SARS-Cov-2.
Analysis of coronavirus deaths
Analysis of coronavirus deaths
First difference calculation
First difference calculation
Scatterplot with two axes
Scatterplot with two axes
Ngày đầu thực hành R
Hôm nay là ngày vui
Health Care Index 2019
Health Care Index 2019
Australian Earnings 2018
Australian VC earnings 2018 and proportion of overseas students
Analysis of NHMRC Investigator Grant Outcomes 2019
Analysis of NHMRC Investigator Grant Outcomes 2019
Forest plot using R
Forest plot using R
Bar plot using ggplot2
Bar plots using ggplot2
Vietnam Population 1979 - 2019
Vietnam Population 1979 - 2019
HSC data 2019
Dữ liệu tốt nghiệp trung học phổ thông 2019
Testing package finalfit
Testing package finalfit