2012-10-29 @HSPHKazuki Yoshida, M.D. MPH-CLE student

FREEDOMTO  KNOW

Introduction to

a Graphical User Interface for

Group Website is at:

http://rpubs.com/kaz_yos/useR_at_HSPH

google for user@hsph

n Introduction

n Reading Data into R (1)

n Reading Data into R (2)

n Descriptive, continuous

n Descriptive, categorical

Previously in this group

Menu

n Categorical data

n How to summarize

Ingredients

n Summary statistics for continuous data

n Summary statistics for categorical data

n None

Statistics Programming

L

Learninga new

languageis hard

R Commander:http://socserv.mcmaster.ca/jfox/Misc/Rcmdr/

EZR: http://www.jichi.ac.jp/saitama-sct/SaitamaHP.files/statmedEN.html

Lack of standard

GUIDeducer:

http://www.deducer.org/

RStudio editor

Fully functional Not GUI

http://rstudio.org

EZR (modification of R Commander GUI)

Focus on medical research Still in early development

http://www.jichi.ac.jp/saitama-sct/SaitamaHP.files/statmedEN.html

Deducer GUI

Point & Click user interface. Functions not extensive

http://www.deducer.org

Let’s install

DeducerDeducerSurvival

Install

JGR for Mac:http://rforge.net/JGR/web-files/JGR-1.6-SL.dmg

JGR for Win (32bit):http://rforge.net/JGR/web-files/jgr-1_62.exe

Download JGR

Choose your folder

Package Manager to choose packages to load

Turn onDeducer

DeducerSurvival

Mac only: Preferences again

Turn off. It’s buggy

Additional menus in place !

Load

vcdpackage

library(vcd) [then hit enter]

then

Data Viewer for overview of dataset

Frequencies for categorical variables

Frequencies for categorical data

Summary for continuous variables

Reading Excel data

http://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20bI&product_isbn_issn=9780538733496

Rosner’s dataset

Convert a variable to factor (categorical)

Graphs

Add smooth

Grouping by zyg

Grouping by zyg