apple (48) • bioinformatics (2) • biometrics (3) • computing (27) • conferences (12) • database (6) • gis (1) • lectures (52) • lisp (7) • misc (73) • psychometrics (30) • python (14) • R (30) • ruby (2) • stata (5) • statistics (45) • tex (9) • travels (6) • visualization (16)

Multi-Group comparison in Partial Least Squares Path Models

Data cleaning techniques

El Capitan

Why I am still using Emacs

Yet another gray theme for R base graphics

A bag of tweets / July 2015

Writing a book

A bag of tweets / May 2015

Leanpub: a new way to publish your textbook

A bag of tweets / April 2015

Weaving Stata

Tmux and OS X

OS X Yosemite

Bad Data

Some useful Mac Apps for data scientists

Collecting email usage statistics from mu

Data science at the command-line

Publishing on GitHub

From Beamer to Deckset

Fixing some critical keyboard shortcuts in OS X terminal

Emacs Org-mode and literate programming

A modular configuration for Emacs

Common lisp on Mavericks

A bag of tweets / July 2014

OS X Mavericks

user2014

Light Table and interactive live coding

Reproducible research with R

Scheme and Emacs

Markdown and slideshow

A bag of tweets / November 2013

Some random geeky notes

eHealth, eTools and the like: Welcome to the 21st century

Do a large amount of consulting

Using mu to manage e-mails (followup)

My setup

Stata for structural equation modeling

A bag of tweets / May 2013

Python for interactive scientific data visualization

Bar charts of counts or frequencies in Stata

Audit trails in statistical project

Dose finding studies and cross-over trials

Evidence-based medicine and clinical diagnosis

Exploratory data mining and data cleaning

Emacs auto-completion for Python

Winter desk cleaning

Hierarchical Omega coefficient

TextMate 2

Alternative mail reader for Mac OS X

Cognitive diagnosis models

Dicing with death -- Chance, risk and health

Backup strategies

ODBC drivers on Mac OS X

Visualizing results from SQL queries

A bag of tweets / October 2012

Notes on the ISOQOL 2012 conference

Working with Tables and Pandoc

A bag of tweets / September 2012

Interacting with Weka from Jython

Sublime Text

A bag of tweets / August 2012

Bergen

Some random notes

Markdown everywhere

Factor analysis with categorical data

Upgrading Bash and zsh on OS X

Notes on the ECM 2012 conference

Customizing terminal emulator and the like on OS X

Methods for handling treatment switches

Back from the BoRdeaux conference

CoffeeScript or how to avoid typing ugly Javascript code

Sun of my life

GNU Emacs on OS X 10.7

Back to a Time Capsule

Mendelian randomization

Workflow for statistical data analysis

Weaving Stata documents

Latest reading list on medical statistics

Easy creation of videos with R

Playing with Julia

Easier literate programming with R

Happy texying

GSL Shell

Work distraction-free OS X desktop

Biplots

Mokken scale analysis

The random joys of living with a Macbook

Formative vs. reflective measurement

Contemporary or modern psychometrics

Random notes

Fitting genetic models for twin studies

Kiefer's Introduction to statistical inference

Playing with DocBook again

A bag of tweets / Sep 2011

Color schemes for Emacs and TeX

A bag of tweets / Aug 2011

Dimensions or categories?

Ensemble methods in data mining

Summer desk cleaning

IPython 0.11, the new killer app

Installing numpy+scipy on OS X Lion

Welcome OS X Lion

Some notes of caution about subgroup analyses

A bag of tweets / June 2011

Playing with TwitteR

Design of Experiments in R

Recursive feature elimination coupled to SVM in R

Using bootstrap in cluster analysis

Compiling Gnuplot on OS X

Pretty printing statistical distribution tables

Computing intraclass correlation with R

Three must-read papers on predictive modeling

Weaving scientific document

A bag of tweets / Mar 2011

Some caveat in Clinical Trials risk assessment

More on bagging

Statistical Learning and Regression

Fitting Rasch model with R lme4

Visualizing what Random Forests really do

Psychoco 2011

Time to lush

The 6th CARME conference

Python for statistical computing

Diving into Lisp for statistical computing

Getting started with Slime

A bag of tweets / Jan 2011

A bunch of paper on Multivariate Data Analysis

GIS on a mac

Gmail seasonal cleaning

Archiving my responses on StackExchange

Next Gen database overview

Asymptote and Metapost

Playing with BackupMyTweets

Circular displays for contingency tables

QALYs and DALYs

So many programming languages

Venn diagrams and SQL joins in R

Syntax highlighting in LaTeX

Send email via Postfix

Cabal upgrade

Measures of accuracy for classification

The 17th annual ISOQOL conference

Welcome to the Macbook Air

Revisiting Cronbach's alpha

Against the systematic use of Fisher's exact test

Switching to Textpattern

About

Handling extreme response style

GRADE and evidence-based medicine

A recap' on statistical analysis of RCTs

A bayesian t-test

Intelligence, the psychometric view

Edinburgh

I got an iPhone 4

Web sharing, web syncing

High-dimensional data analysis in cancer research

Back from the IV EAM conference

Git, SVN, Emacs, and OVH

R/Qt, an overview

Bayesian analysis with R

Visual psychophysics with Python

Recent lectures on HRQL, Genetic Epidemiology, and Psychometrics

Visualizing data using Tag cloud

Python and indentation

Dynamic visualization using R and GGobi

Blogging about this blog (made with Jekyll)

Switching to biblatex

Ruby on Rails and some Ruby extensions

Customizing iPython

Building R 2.12 and Python 3.1 (development snapshot)

Web scraping with Perl

Upgrading CONTEXT

Cambridge

Copenhagen

Testing BioPython

Embedding C code in a Java app

Reliable and clinically significant change

How to get scientific Python's packages working on Mac OS X Leopard

Statistical Models for cross-classified data structures

French localization with R under Mac OS X

Paired preferences models

Leopard, about 6 months later

Interaction terms in non-linear models

Penalized likelihood regression

Linear programming with GNU software

Handling missing data in clinical trials

Regression Methods in Biostatistics

Applications of Latent Trait and Latent Class Models in the Social Sciences

Methods in Social Epidemiology

## May 2016

Academic teachingMulti-Group comparison in Partial Least Squares Path Models

## April 2016

Spring quick notes## October 2015

A bag of tweets / October 2015Data cleaning techniques

El Capitan

## September 2015

A bag of tweets / September 2015## August 2015

A bag of tweets / August 2015Why I am still using Emacs

## July 2015

Data Science from ScratchYet another gray theme for R base graphics

A bag of tweets / July 2015

Writing a book

## June 2015

A bag of tweets / June 2015## May 2015

Stata for health researchersA bag of tweets / May 2015

## April 2015

R, pipes and Co.Leanpub: a new way to publish your textbook

A bag of tweets / April 2015

## March 2015

A bag of tweets / March 2015## February 2015

A bag of tweets / February 2015## January 2015

R Graphs Cookbook## November 2014

A bag of tweets / November 2014Weaving Stata

Tmux and OS X

OS X Yosemite

Bad Data

Some useful Mac Apps for data scientists

## October 2014

A bag of tweets / October 2014Collecting email usage statistics from mu

Data science at the command-line

## September 2014

A bag of tweets / September 2014## August 2014

A bag of tweets / August 2014Publishing on GitHub

From Beamer to Deckset

Fixing some critical keyboard shortcuts in OS X terminal

Emacs Org-mode and literate programming

A modular configuration for Emacs

Common lisp on Mavericks

## July 2014

Back from the VI EAM conferenceA bag of tweets / July 2014

OS X Mavericks

user2014

## June 2014

A bag of tweets / June 2014## May 2014

A bag of tweets / May 2014## April 2014

A bag of tweets / April 2014Light Table and interactive live coding

Reproducible research with R

Scheme and Emacs

Markdown and slideshow

## March 2014

A bag of tweets / March 2014## February 2014

A bag of tweets / February 2014## January 2014

A bag of tweets / January 2014## December 2013

A bag of tweets / December 2013A bag of tweets / November 2013

## November 2013

Twenty canonical questions in machine learning## October 2013

A bag of tweets / October 2013## September 2013

A bag of tweets / September 2013Some random geeky notes

## August 2013

A bag of tweets / August 2013## July 2013

A bag of tweets / July 2013eHealth, eTools and the like: Welcome to the 21st century

Do a large amount of consulting

## June 2013

A bag of tweets / June 2013Using mu to manage e-mails (followup)

My setup

Stata for structural equation modeling

## May 2013

Using mu to manage e-mailsA bag of tweets / May 2013

Python for interactive scientific data visualization

## April 2013

A bag of tweets / April 2013Bar charts of counts or frequencies in Stata

## March 2013

A bag of tweets / March 2013Audit trails in statistical project

## February 2013

A bag of tweets / February 2013Dose finding studies and cross-over trials

Evidence-based medicine and clinical diagnosis

Exploratory data mining and data cleaning

Emacs auto-completion for Python

Winter desk cleaning

Hierarchical Omega coefficient

## January 2013

A bag of tweets / January 2013TextMate 2

## December 2012

A bag of tweets / December 2012Alternative mail reader for Mac OS X

Cognitive diagnosis models

Dicing with death -- Chance, risk and health

Backup strategies

## November 2012

A bag of tweets / November 2012ODBC drivers on Mac OS X

Visualizing results from SQL queries

## October 2012

Interactive data visualization with cranvasA bag of tweets / October 2012

Notes on the ISOQOL 2012 conference

Working with Tables and Pandoc

## September 2012

User-friendly statistical packagesA bag of tweets / September 2012

Interacting with Weka from Jython

## August 2012

Testlet response theorySublime Text

A bag of tweets / August 2012

Bergen

Some random notes

Markdown everywhere

## July 2012

A bag of tweets / July 2012Factor analysis with categorical data

Upgrading Bash and zsh on OS X

Notes on the ECM 2012 conference

Customizing terminal emulator and the like on OS X

Methods for handling treatment switches

Back from the BoRdeaux conference

## June 2012

A bag of tweets / June 2012CoffeeScript or how to avoid typing ugly Javascript code

Sun of my life

GNU Emacs on OS X 10.7

Back to a Time Capsule

Mendelian randomization

## May 2012

A bag of tweets / May 2012## April 2012

A bag of tweets / Apr 2012Workflow for statistical data analysis

Weaving Stata documents

Latest reading list on medical statistics

Easy creation of videos with R

Playing with Julia

Easier literate programming with R

## March 2012

A bag of tweets / Mar 2012Happy texying

GSL Shell

Work distraction-free OS X desktop

## February 2012

A bag of tweets / Feb 2012Biplots

Mokken scale analysis

The random joys of living with a Macbook

## January 2012

A bag of tweets / Jan 2012## December 2011

A bag of tweets / Dec 2011Formative vs. reflective measurement

Contemporary or modern psychometrics

Random notes

Fitting genetic models for twin studies

Kiefer's Introduction to statistical inference

## November 2011

A bag of tweets / Nov 2011Playing with DocBook again

## October 2011

A bag of tweets / Oct 2011A bag of tweets / Sep 2011

## August 2011

Apple weekend miscellaniesColor schemes for Emacs and TeX

A bag of tweets / Aug 2011

Dimensions or categories?

Ensemble methods in data mining

Summer desk cleaning

IPython 0.11, the new killer app

## July 2011

A bag of tweets / July 2011Installing numpy+scipy on OS X Lion

Welcome OS X Lion

Some notes of caution about subgroup analyses

## June 2011

Cronbach's alpha yet againA bag of tweets / June 2011

Playing with TwitteR

## May 2011

A bag of tweets / May 2011Design of Experiments in R

Recursive feature elimination coupled to SVM in R

Using bootstrap in cluster analysis

Compiling Gnuplot on OS X

## April 2011

A bag of tweets / Apr 2011Pretty printing statistical distribution tables

Computing intraclass correlation with R

Three must-read papers on predictive modeling

Weaving scientific document

## March 2011

Three books on statistical methodology for RCTsA bag of tweets / Mar 2011

Some caveat in Clinical Trials risk assessment

More on bagging

Statistical Learning and Regression

Fitting Rasch model with R lme4

## February 2011

A bag of tweets / Feb 2011Visualizing what Random Forests really do

Psychoco 2011

Time to lush

The 6th CARME conference

Python for statistical computing

Diving into Lisp for statistical computing

## January 2011

Yet another interactive shell for numerical calculus: Numeric LuaGetting started with Slime

A bag of tweets / Jan 2011

A bunch of paper on Multivariate Data Analysis

GIS on a mac

Gmail seasonal cleaning

Archiving my responses on StackExchange

Next Gen database overview

Asymptote and Metapost

Playing with BackupMyTweets

Circular displays for contingency tables

QALYs and DALYs

So many programming languages

Venn diagrams and SQL joins in R

## December 2010

Fall desk cleaningSyntax highlighting in LaTeX

Send email via Postfix

Cabal upgrade

Measures of accuracy for classification

## November 2010

Psychometrics, measurement, and diagnostic medicineThe 17th annual ISOQOL conference

Welcome to the Macbook Air

## September 2010

How to efficiently manage a statistical analysis projectRevisiting Cronbach's alpha

Against the systematic use of Fisher's exact test

Switching to Textpattern

About

Handling extreme response style

GRADE and evidence-based medicine

A recap' on statistical analysis of RCTs

## August 2010

Summary for the 31th ISBC conferenceA bayesian t-test

Intelligence, the psychometric view

Edinburgh

I got an iPhone 4

Web sharing, web syncing

High-dimensional data analysis in cancer research

## July 2010

Permutation vs. bootstrap test of hypothesisBack from the IV EAM conference

Git, SVN, Emacs, and OVH

R/Qt, an overview

## June 2010

Bayesian analysis with PythonBayesian analysis with R

Visual psychophysics with Python

## May 2010

The New Psychometrics (P. Kline)Recent lectures on HRQL, Genetic Epidemiology, and Psychometrics

## April 2010

Cross-cultural issues in quality of life studiesVisualizing data using Tag cloud

Python and indentation

Dynamic visualization using R and GGobi

Blogging about this blog (made with Jekyll)

Switching to biblatex

Ruby on Rails and some Ruby extensions

Customizing iPython

Building R 2.12 and Python 3.1 (development snapshot)

Web scraping with Perl

Upgrading CONTEXT

## March 2010

Key Concepts in Mental Health## December 2009

Dive into Ruby on Mac OS X## November 2009

Apple development tools, An overview## July 2009

UpCambridge

Copenhagen

## July 2008

Multiple comparisons and p-value adjustmentTesting BioPython

Embedding C code in a Java app

Reliable and clinically significant change

How to get scientific Python's packages working on Mac OS X Leopard

## June 2008

Bioinformatics with Mac OS X## May 2008

Networks, graphs and visualizationStatistical Models for cross-classified data structures

French localization with R under Mac OS X

Paired preferences models

Leopard, about 6 months later

## April 2008

Practical Psychiatric EpidemiologyInteraction terms in non-linear models

Penalized likelihood regression

Linear programming with GNU software

## March 2008

Around survey methodology and questionnaire design## February 2008

Quality of Life, Psychometrics, and beyondHandling missing data in clinical trials

Regression Methods in Biostatistics

Applications of Latent Trait and Latent Class Models in the Social Sciences

Methods in Social Epidemiology