## 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

##### Class_201601

Class_roll randomization

##### BMI for rn96 160304

Lab material for R data reading and short analysis

##### Quiz 1109

Colleges compared

##### Doorae Data Preparation

Adding labels

##### Quiz 1028 by college

added

##### Quiz 1102 by Colleges

Classification by colleges added.

##### Household Economy (2011)

Analysed with barplots and ggplot

##### Quiz 1102

Quiz data on 1102 analyzed

##### Households Economy

Survey data analyzed with R graphics

##### Quiz 1028

Quiz data on 1028 analyzed

##### Quiz 1026

Quiz data on 1026 analyzed

##### Chapter 5 Class

Class material for Math Foundations

##### Quiz 1014

Quiz 1014 data are analyzed

##### 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

##### quiz_1012

Quiz on 10/12 updated.

##### Quiz 10/12

Quiz 10/12 analyzed

##### Gini_OECD 1012

ggplots added

##### OECD Gini Coefficients

OECD Gini Coefficients compared with minor corrections

##### Quiz 10/07

10/07 quiz responses are analyzed

##### Quiz 10/05

Reanalyzed with dates corrected.

##### 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

##### quiz_0930

Quiz results on 9/30.

##### Doorae_Data

Data cleaning process

##### quiz_0923

Analysis on the amount of reading, etc

##### quiz_0921

National and Local tax ratio, etc.

##### 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

##### Literacy_201502

Class data on literacy test

##### 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

##### Class_201502_2nd_week

Statistics in Real Life Course class profile

##### 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

##### East and West 201402

East and West data

##### BFi1402_kr

Big 5 Personality and Multiple Intelligence are aggregated

##### 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

##### Statistical Methods Midterm

Midterm exam 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.

##### Red_and_Black_1501

Red and Black randomization experiment results are analyzed in various ways.

##### 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.

##### Randomization

Red and black randomization experiment data will be analyzed in various many ways

##### Red_Black

Red and Black experiment results analyzed by t.test

##### Randomization

Randomization Experiment from Class Roll

##### literacy test results summary

literacy test results are analysed with various R functions

##### 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.