Quiz 160302 revisited
mosaic plot ggplot function added
Windows 7 (CP949) version
with minor correction
Lab material for R data reading and short analysis
Classification by colleges added.
Analysed with barplots and ggplot
Quiz data on 1102 analyzed
Survey data analyzed with R graphics
Quiz data on 1028 analyzed
Quiz data on 1026 analyzed
Class material for Math Foundations
Quiz 1014 data are analyzed
Use aggregate with formula and xtabs
Integrated in one file, self-contained
tables reformatted with panderOptions("table.split.table", Inf)
table reformatted with panderOptions("table.split.table", Inf)
Doorae data cleaning process explained
Data reading and cleaning process for windows 7
for windows 7 and Korean character set system CP949
quiz and ggplot added
Wilkinson data on inequality
2014 data added
Quiz on 10/12 updated.
Quiz 10/12 analyzed
OECD Gini Coefficients compared with minor corrections
10/07 quiz responses are analyzed
Reanalyzed with dates corrected.
Curves are added
Crimtab data with ggplot
Mathematical Foundation chapter 4 class material
zmPDSwR Chapter 4
Quiz results on 9/30.
Data cleaning process
Analysis on the amount of reading, etc
National and Local tax ratio, etc.
A new comer added
New comer added
in black and white
두레공동체 현황자료 분석
Korean national survey on reading
Practical Data Science with R Chapter 3 Part I
Matrix algebra with R chapter 3 class materials
Class data on literacy test
1970 vs 2013
Comparison with Halley's. Annotation with Korean fonts.
Plus us 1993 lifetable for comparison.
Class materials for matrix algebra for statistics
Statistics in Real Life Course class profile
통계 수리적기초 2장 연습문제 풀이
통계 수리적 기초 II 제 2 장 내용.
zmPDSwR Chapter 3 Part II updated
zmPDSwR Chapter 3 Part II
Chapter 2 updated with tbl.df and stat="identity"
German bank credit dataset
Case studies in Statistical Data Analysis class performed an experiment of default effects problem. The results are analyzed with R.
With US 1993 lifetable for comparison and ggplot added
Chapter 1 with R implementation
extrafont to use Hangul fonts
Statistics in Real Life class profile
Solve matrix problems using R.
Contents of Chapter 1 in R form
1993 US data are added for comparison.
Matrix Algebra Exercises
Descriptive Analysis of Doorae Data
Descriptive Analysis of Doorae Project
East and West data
Big 5 Personality and Multiple Intelligence are aggregated
UCBAdmissions and Smoking vs Survival data are analyzed from Simpson's paradox' view
From contingency table to data frame with counts and long format of data frame with cases, various R facilities are used.
In addition to OECD data, USA case is added.
Gallup's poll data are used to predict 1987 presidential election.
Gini coefficients of OECD countries are analyzed.
R functions are developed to draw Lorenz curve and Gini Coefficient for Piketty data.
US top income shares from 1913 to 2013 are plotted using plot()
Equality Trust's Data on income inequality vs index of health and social problems are plotted with variety of information
Histograms and Scatter Diagrams are sued to display the relationship between numbers drawn and payoffs.
Anscombe's quartet is analyzed using R
Midterm exam using R
Fitting normal distribution to Quetelet's chest circumference data
Student's simulation on McDonnell's Criminal data are done with R.
rn96 data and Quetelet's Chest circumference data are analyzed using various methods
Case of Pictogram found in plot of Korean mean income with respect to median Income ratio data from SERI report.
Red and Black randomization experiment results are analyzed in various ways.
Using apply() and barplot(), Titanic data are analysed.
Korea income distribution is analysed using barplot()
Using plot(), changes in korean NDI composition are analysed.
Red and black randomization experiment data will be analyzed in various many ways
Red and Black experiment results analyzed by t.test
Randomization Experiment from Class Roll
literacy test results are analysed with various R functions
Details are updated.
Using t.test and some plots to analyse sleep data.
t.test, wilcox.test will be performed on ZeaMays Data
Data management on McDonnel's crimtab data
Using pie(), barplot(), mosaicplot(), analysis on King Sejong's national poll data is performed.
Analyse King Sejong's poll data using pie() and barplot()
Reconstruction fo student's simulation on crimtab data
Graphic analysis on crimtab data
Graphic analysis of crimtab data
Graphic analysis on Student's crimtab data
Resolving p-value problem by hand.
Newly added parts only
lottery data analysis enhanced with boxplots
Using xtabs(), and dotchart, try to describe King Sejong's poll.
chi-square tests are applied to matching problem data and lottery.number
Graphic Analysis of Pick-it Lottery Data
Analysis of King Sejong's poll data
Plot of Population and Households in Chosun Dynasty
Using curve( ) with fewer lines than with lines()
Using package 'nortest' to rn96 data and Quetelet's Chest Circumference data
Fitting normal distribution on Quetelet's chest circumference data
A revision of BMI.html. Tests for normality added.
A revision of anscombe.Rmd. XQuartz package is updated.
Quetelet's Body Mass Indices are computed, and stem-and leaf plot is drawn. qqnorm() applied.
R works to draw Anscombe's quartet in R.