Recently Published
Bias in Question on THAAD
Quiz 160302 revisited
King Sejong's National Referendum on Tax Reform (ggplot) 160919
Windows version
King Sejong's National Referendum on Tax Reform (ggplot) 160918
mosaic plot ggplot function added
King Sejong's National Referendum on Tax Reform (ggplot)
Windows 7 (CP949) version
Quiz 160406 v2
with minor correction
Graunt_US_Halley160406_en_Summary
revision
BMI for rn96 160304
Lab material for R data reading and short analysis
Doorae Data Preparation
Adding labels
Household Economy (2011)
Analysed with barplots and ggplot
Households Economy
Survey data analyzed with R graphics
Chapter 5 Class
Class material for Math Foundations
Rural Happy Region
Assessment
Pander vs Kable
Use aggregate with formula and xtabs
Graunt_US_Halley1018
Integrated in one file, self-contained
Doorae Report in BW
tables reformatted with panderOptions("table.split.table", Inf)
Doorae Report in Colour
table reformatted with panderOptions("table.split.table", Inf)
Doorae Data Explained
Doorae data cleaning process explained
Doorae Data Cleaning for Windows 7
Data reading and cleaning process for windows 7
Doorae Data Analysis for Windows 7
for windows 7 and Korean character set system CP949
US_top_income_shares_2014_quiz
quiz and ggplot added
Wilkinson0505
Wilkinson data on inequality
US_top_income_shares_2014
2014 data added
Gini_OECD 1012
ggplots added
OECD Gini Coefficients
OECD Gini Coefficients compared with minor corrections
crimtab analysis 1007
Curves are added
crimtab_1007
Crimtab data with ggplot
chapter_4_class
Mathematical Foundation chapter 4 class material
Chapter_4
zmPDSwR Chapter 4
Doorae_Data
Data cleaning process
Doorae0928
A new comer added
Doorae0928_bw
New comer added
Doorae0924_bw
in black and white
Doorae0924
두레공동체 현황자료 분석
Reading Survey Data Analysis
Korean national survey on reading
Chapter_3_Part_I
Practical Data Science with R Chapter 3 Part I
chapter_3_class
Matrix algebra with R chapter 3 class materials
Lifetable Korea
1970 vs 2013
Graunt_0916
Comparison with Halley's. Annotation with Korean fonts.
Graunt Lifetable Extended
Plus us 1993 lifetable for comparison.
Chapter 2 class
Class materials for matrix algebra for statistics
chapter_2_lab
통계 수리적기초 2장 연습문제 풀이
chapter_2_contents
통계 수리적 기초 II 제 2 장 내용.
Chapter_3_Part_II
zmPDSwR Chapter 3 Part II updated
Chapter 3 Part II
zmPDSwR Chapter 3 Part II
Chapter 2 updated
Chapter 2 updated with tbl.df and stat="identity"
zmPDSwR Chapter_2
German bank credit dataset
zmPDSwR_Chapter 1
GCDData
Class_1502_Monty and Default Effects
Case studies in Statistical Data Analysis class performed an experiment of default effects problem. The results are analyzed with R.
Graunt Life Table Extended
With US 1993 lifetable for comparison and ggplot added
chap_01_contents
Chapter 1 with R implementation
extrafont
extrafont to use Hangul fonts
Class_201502_1st_week
Statistics in Real Life class profile
Chapter 1 Lab
Solve matrix problems using R.
Chap 01 Class Materials
Contents of Chapter 1 in R form
Graunt Life Table 150902
1993 US data are added for comparison.
chapter_1
Matrix Algebra Exercises
Doorae_0824
Descriptive Analysis of Doorae Data
Doorae
Descriptive Analysis of Doorae Project
Simpson_Paradox
UCBAdmissions and Smoking vs Survival data are analyzed from Simpson's paradox' view
Table and Data Frame
From contingency table to data frame with counts and long format of data frame with cases, various R facilities are used.
Wilkinson USA case added
In addition to OECD data, USA case is added.
Korean Presidential Election Poll in 1987
Gallup's poll data are used to predict 1987 presidential election.
Gini_OECD
Gini coefficients of OECD countries are analyzed.
Lorenz Curve and Gini Coefficient for Piketty Data
R functions are developed to draw Lorenz curve and Gini Coefficient for Piketty data.
US top income shares up to 2013
US top income shares from 1913 to 2013 are plotted using plot()
Income Inequality vs Index of Health and Social Problems
Equality Trust's Data on income inequality vs index of health and social problems are plotted with variety of information
Lifetable_kr
Drawing Lifetable
Graphic Analysis of Pick-It Lottery Data
Histograms and Scatter Diagrams are sued to display the relationship between numbers drawn and payoffs.
Anscombe's Quartet
Anscombe's quartet is analyzed using R
Fitting Normal Distribution
Fitting normal distribution to Quetelet's chest circumference data
crimtab_student simulation
Student's simulation on McDonnell's Criminal data are done with R.
tests_of_normailty150416
rn96 data and Quetelet's Chest circumference data are analyzed using various methods
Pictogram
Case of Pictogram found in plot of Korean mean income with respect to median Income ratio data from SERI report.
Titanic Data Analysis
Using apply() and barplot(), Titanic data are analysed.
Korea Income Distribution (2012)
Korea income distribution is analysed using barplot()
NDI composition analysis
Using plot(), changes in korean NDI composition are analysed.
Red_Black
Red and Black experiment results analyzed by t.test
Randomization
Randomization Experiment from Class Roll
tests_of_normailty updated
Code simplified.
crimtab_graphics updated
Details are updated.
Cushny and Peebles's data
Using t.test and some plots to analyse sleep data.
ZeaMays Data Analysis
t.test, wilcox.test will be performed on ZeaMays Data
crimtab data analysis
Data management on McDonnel's crimtab data
Graphic Analysis of King Sejong's Poll Data
Using pie(), barplot(), mosaicplot(), analysis on King Sejong's national poll data is performed.
King Sejong's Poll on Tax Reform
Analyse King Sejong's poll data using pie() and barplot()
Student simulation on crimtab data
Reconstruction fo student's simulation on crimtab data
crimtab_graphics
Graphic analysis on crimtab data
Crimtab_graphics
Graphic analysis of crimtab data
crimtab_student
Graphic analysis on Student's crimtab data
Student Crimtab Data
Resolving p-value problem by hand.
lottery_bxplot_new
Newly added parts only
lottery_bxplot
lottery data analysis enhanced with boxplots
Poll on Tax System by King Sejong
Using xtabs(), and dotchart, try to describe King Sejong's poll.
Goodness of Fit Test
chi-square tests are applied to matching problem data and lottery.number
lottery
Graphic Analysis of Pick-it Lottery Data
Sejong_poll
Analysis of King Sejong's poll data
Population and Households in Chosun Dynasty
Plot of Population and Households in Chosun Dynasty
tests_of_normailty153010
Using curve( ) with fewer lines than with lines()
tests_of_normailty
Using package 'nortest' to rn96 data and Quetelet's Chest Circumference data
Quetelet's Scottish Soldiers
Fitting normal distribution on Quetelet's chest circumference data
BMI_rev
A revision of BMI.html. Tests for normality added.
anscombe_rev
A revision of anscombe.Rmd. XQuartz package is updated.
Quetelet's Body Mass Index
Quetelet's Body Mass Indices are computed, and stem-and leaf plot is drawn.
qqnorm() applied.
Anscombe's Quartet
R works to draw Anscombe's quartet in R.