Blog

Logistic Regression - II

Quarto

R

Academia

Medical Statistics

Logistic Regression

Hello dear readers and welcome back to my blog with a new post! Although I am on leave, I would like to keep updating my posts to follow-up from the topic introduced in my…

Logistic Regression - I

Quarto

R

Academia

Medical Statistics

Logistic Regression

Hello folks and welcome back to a new monthly post on my blog. Today I would like to move on from the topic covered in my past posts related to sample size calculation…

Sample Size Calculations - Examples

Quarto

R

Academia

Medical Statistics

Sample Size Calculation

Hello folks and welcome back to my regular blog update. Today I would like to finish off the series of introduction posts on sample size calculation approaches by showing…

Sample Size Calculations - II

Quarto

R

Academia

Medical Statistics

Sample Size Calculation

Hello dear readers and welcome back to my usual update on my blog. Today I will simply continue and (hopefully) conclude the topic initiated in my previous post about some…

Sample Size Calculations - I

Quarto

R

Academia

Medical Statistics

Sample Size Calculation

Hello folks and welcome back to my regular update on my blog. I am back after a short Easter break and ready to face all teaching and research tasks in the upcoming weeks.…

Survival Analysis - Examples

Quarto

R

Academia

Medical Statistics

Survival Analysis

Hello dear readers, I hope everything is well with you. Today, I will just write a quick post as a follow up from the previous talk about the basic elements of survival…

Survival Analysis

Quarto

R

Academia

Medical Statistics

Survival Analysis

Hello folks, I hope everything is well with you and welcome back to my regular blog update. This month nothing particularly exciting has happened to me, but I mostly spent…

Missing Data in Health Studies

Quarto

R

Academia

Medical Statistics

Missing Data

Happy 2026 dear readers! I hope you had a nice Xmas period and that you are ready for starting the upcoming year in the best way for you. I had a somewhat decent holiday…

Key elements of study design

Quarto

R

Academia

Medical Statistics

Exercises

Welcome back dear readers to a new blog post. Today, I would like to resume the post series I started a few months ago about medical statistics, by introducing (in a very…

Conducting trial-based cost-effectiveness analyses:

A tutorial - II

Quarto

R

Academia

HTA

Cost-Effectiveness

Tutorial

Hello dear readers, and welcome back to my blog as usual. Today I would like to provide a quick update as I am in the middle of my heavy teaching period and therefore I do…

Conducting trial-based cost-effectiveness analyses:

Quarto

R

Academia

HTA

Cost-Effectiveness

Tutorial

Hello folks, I hope you are well and welcome back to my blog. Today, after taking a break from HTA in the past posts, I would like to resume one of my favourite topics…

Basic medical statistics exercises

Quarto

R

Academia

Medical Statistics

Exercises

Hello everybody and welcome back to my blog. Since I have just come back from my summer break I have many things to catch up to, which means that today’s post will be a bit…

A quick intro on medical statistics

Quarto

R

Academia

Medical Statistics

Hello dear readers, and welcome back to a new post on this blog. Today I am finally entering my holidays period and therefore I look forward to enjoy a nice vacation period…

Seemingly Unreleated Regression

Quarto

R

Academia

Missing Data

Hello everyone and welcome back to my regular post on this blog. Today I would like to talk about some technicalities related to a quite popular statistical methods used in…

Healthcare resourse use data in economic evaluations

Quarto

R

Academia

Missing Data

Good day folks, and welcome back for a new update of my blog. Since in this period I am quite busy (I am actually moving so you can imagine the stress!), today I would like…

Re-analysing re-constructed published medical data

Quarto

R

Academia

Missing Data

Hello everybody, today I would like to take the chance of writing in this blog to explore some medical datasets which are publicly available in R, and which I may decide to…

Introduction to R

Quarto

R

Academia

Programming

Hello folks and welcome to my regular post on this blog. Today, I would like once more to change the topic and deviate from the usual focus on health economics. In…

Markov Models in Economic Evaluations IV

Quarto

R

Academia

Health Economics

Hello dear readers and welcome to a new post. Today, I would like to resume my current series of posts related to decision analytic models in health economics and focus on…

Markov Models in Economic Evaluations III

Quarto

R

Academia

Health Economics

Hello dear readers and welcome to a new post. Today, I would like to resume my current series of posts related to decision analytic models in health economics and focus on…

Conferences in 2025

Quarto

R

Academia

Health Economics

Conferences

Hello dear readers, today I would like to take a break from the recent reviews of health economic models to talk a bit about future conferences that I would like to attend…

Markov Models in Economic Evaluations - II

Quarto

R

Academia

Health Economics

Hello folks and welcome back to my blog for a new post babbling about statistical methods in health economics!. Today I simply want to close the topic initiated in my last…

Markov Models in Economic Evaluations

Quarto

R

Academia

Health Economics

Hello dear readers and welcome to a new post of my blog. Today, I would like to continue the discussion initiated with the last post about modelling in health economic…

Decision Tree Models in Economic Evaluations

Quarto

R

Academia

Health Economics

Hello folks and welcome back to a new update of my blog, which today is finally back focussing on my main field of interest, health economic evaluations! After a couple of…

In which Dutch province do people travel the most?

Quarto

R

Academia

Hello dear readers, I hope everything is well with you and welcome back for another post on my site. Today I would like to continue the little exercise I started last time…

Which Dutch province provides the most Olympic medals?

Quarto

R

Academia

Hello folks, I hope everything is ok with you and that you had a nice summer break. As for me, I am still recovering from a quite sad period but I think that the best thing…

Some time off …

Quarto

R

Academia

Dear readers, unfortunately I have some bad news to communicate which relate to my private life as one person very close to me passed away a couple of weeks ago. This has…

New website and more !

Quarto

R

Academia

conference

Hello dear readers and, for those of you who found this post in time, welcome back to my new brand website and blog !

Two-Parameter Logistic Model

Quarto

R

Academia

IRT

Hello everyone and welcome back to another post about Item Response Theory models, a topic which has caught my interest in recent times and that I am trying to learn bit by…

Two-Parameter Logistic Model

Quarto

R

Academia

IRT

Hello folks, I hope everything is running smoothly for you. As for me, it has been quite a hectic period due to a mix of personal circumstances, teaching and grant…

Rasch Model

Quarto

R

Academia

IRT

Hello everyone, and welcome back to my blog. Today I would like to resume a topic that I promised myself I will study more but which I kind of left alone for quite some time…

Confounders, Colliders, Mediator. What to adjust for

Quarto

R

Academia

statistics

Hello everybody. here we are with my usual monthly update. Today, similarly to last time, I would like to talk about a bit about classical statistical analysis problems…

Why we cannot interpret relative risks in case-control studies

Quarto

R

Academia

statistics

Hello folks and happy new year! Back from my winter holidays, and after a couple of weeks of feeling quite sick, I am ready to resume my work both in teaching and research.…

Just need a break

Quarto

R

Academia

conference

Hello folks, today I would like to simply give a brief update about what I am looking for for next year, particularly in terms of conferences I am actuallu planning to…

A tutorial on using R to conduct trial-based CEA

Quarto

R

Academia

health economics

Hello dear readers, here I am with a new post about using statistics in health economic evaluations. Today I want to take a break from the quick examples I gave on using…

Bayesian statistics in health economic evaluations - part 2

Quarto

R

Academia

health economics

Hello dear audience and welcome back to my regular post updates. This time I would like to continue discussing the application of Bayesian methods in HTA that I picked-up in…

Bayesian statistics in health economic evaluations

Quarto

R

Academia

health economics

Hello folks, I hope you had some break time during summer as surely I did! After a whole year of stress and work it was nice to have some vacation period and to clear my…

Back from lola

Quarto

R

Academia

conference

Hello folks, I am back with my usual update and today I have some good news to report! Last month I went to the annual lolaHESG 2023 conference meeting here in the…

Item-Response Theory: intro

Quarto

R

Academia

IRT

Hello everyone, here we are again with my monthly blog update. Today I would like to continue my initial discussion about Item Response Models (IRMs) which I introduced in…

Structural values in health economics data

Quarto

R

Academia

IRT

Good day folks, today I would like to make a digression from the usual health economics’ topic addressed on this blog and talk about something different that I have recently…

Some updates …

Quarto

R

Academia

publication

conference

Hello guys, I hope everything is well with you and that you had some nice Easter break (at least I did). Personally, I really needed this break as I was quite tired and…

The missing data dilemma

Quarto

R

Academia

statistics

Hello folks, as per usual I would like to try to update my blog regularly with some new posts and talk about the stuff I like. Today is the day of one of my most beloved…

Structural values in health economics data

Quarto

R

Academia

health economics

Hello everybody and welcome to my second post of the year. I try to be as consistent as possible with these monthly updates as I would like to keep my blog alive and…

How to jointly handle skewed data in economic evaluations

Quarto

R

Academia

health economics

Hello folks and happy new year! It feels like a million years since last time I posted here but it is in fact only a month (I really try to keep it constant despite all…

How to handle correlated data in economic evaluations

Quarto

R

Academia

health economics

Hi everybody, as per usual I am here posting (again!) to continue the thread about cost-effectiveness analysis. Last time we discussed the importance of modelling CEA data…

More health economics updates

Quarto

R

Academia

health economics

Hello everybody, I just wanted to take a break from the current series of posts about doing HTA in R and talk a bit about some interesting news related to the international…

How to handle longitudinal data in economic evaluations

Quarto

R

Academia

health economics

Hello and welcome back for a new update on my blog. Today we go through another “practical” post where I provide some suggestions and examples on how to fit health economic…

How to use bootstrapping in economic evaluations

Quarto

R

Academia

health economics

Hi everyone, I hope you are ok as this period has been quite busy for me. I had a lot going on, from the resuming of intense teaching activities, lots of boring staff…

Back from holidays

Quarto

R

Academia

conference

Hi folks, it is good to be back on the blog after some nice vacation spent with my family and friends. This is one of the best parts of the year as people have not all come…

EuHEA 2022 Conference

Quarto

R

Academia

conference

Here for my usual monthly update! This month I have some exciting news as I had the pleasure to attend the EuHEA 2022 Conference in Oslo between 5-8 July. It was my first…

Engaging with the HTA community

Quarto

R

Academia

conference

publication

Hello folks, it has been a while since I updated my posts but it has been a very busy period I am afraid. Enough with excuses let’s talk about the news!

R markdown for teaching

Quarto

R

Academia

teaching

Hi guys, today I wanted to post something different from usual research tediousness that is only liked by statisticians and try to focus on another component my academic…

New paper out

Quarto

R

Academia

publication

Hello there! (do you get the movie reference?)

Attending conferences and invited talks

Quarto

R

Academia

conference

Hello folks, here I am with my monthly update about my work and basically what I am up to. A few (mostly happy) things have happened since last time so thought it would be…

Studying Item Response Theory

Quarto

R

Academia

statistics

IRT

Hi everybody, I am happy to be back on my blog to talk about something new and interesting, at least to me it is! Recently I have been so busy with routine works that I had…

And now what?

Quarto

R

Academia

publication

statistics

Hello folks and happy new year!

And now what?

Quarto

R

Academia

conference

As the spectre of a new lockdown approaches the Netherlands, I find myself wondering what are the prospects for the upcoming months. Well, hopefully, things will be better…

Baseline adjustment in trial based CEA

Quarto

R

Academia

health economics

Recently I have come across something I found a little odd when performing a statistical analysis of trial-based CEA data and I would like to share here my experience in the…

Back to work

Quarto

R

Academia

health economics

Well those holidays were pretty short in my opinion!

Holidays, finally

Quarto

R

Academia

philosophy

Holidays! Yes, really holidays!

A nice workshop

Quarto

R

Academia

conference

I have recently been invited to give a talk about my R package missingHE at the R for HTA summer workshop 2021, and I would like to spend a couple of words to describe what…

Too hot

Quarto

R

Academia

publication

conference

This month is extremely busy and I seriously need a week of days made by 34 hours each in order to avoid any delay. Apart from the usual teaching which is finally coming…

The good, the bad and the ugly

Quarto

R

Academia

publication

conference

A quick update from me about a couple of things, some good, some bad and other \(\ldots\) ugly.

Going back to teaching, hurray!

Quarto

R

Academia

publication

teaching

conference

Hello everbody and it is good to be back after a nice and cozy Easter break. As probably most of you, I was too forced to spend my Easter holidays away from my family this…

Sunny days which I cannot fully enjoy

Quarto

R

Academia

publication

Here we are again. Except now it feels like a very nice spring time here in Maastricht with beautiful sunny days an warm weather. The picture does not really represent the…

Doing some teaching…

Quarto

R

Academia

statistics

publication

teaching

Hello everybody, it is time for some quick updates about myself and what I have been doing the past month. Well, essentially, I have been crazy busy doing lots of teaching…

What is a Bayesian credible interval?

Quarto

R

Academia

statistics

Happy new year everybody! Yeah, I know it already almost February but I have been incredibly busy the past few weeks after the Xmas break. From getting familiar with the…

It is Xmas again Yeah

Quarto

R

Academia

publication

It is Xmas again! Wow, how quickly time flies. The situation here in the Netherlands is not ideal as the number of infected is on the rise again and the government has…

A couple of updates

Quarto

R

Academia

Health Economics

publication

Finally some exciting updates! I really need some good news after all that happened this year. So, first of all I have recently found out that one of the paper I co-authored…

Why health economists do not care about statistical significance?

Quarto

R

Academia

Health Economics

Hello dear readers!

Starting a new adventure!

Quarto

R

Academia

Hello dear readers, I have some exciting news about myself and my future which I am eager to communicate on this blog. I know that it is not exactly the most interesting…

What is Bayesian inference?

Quarto

R

Academia

statistics

What is probability? The answer to this question is generally acknowledged to be the one that respects the so called Kolmogorov axioms which can be brutally simplified to:

Why be Bayesian

Quarto

R

Academia

statistics

Many times I have been asked by co-workers and people around me who are a bit familiar with statistics why I choose to be Bayesian and whether I feel confident in using this…

New tutorials for missingHE

Quarto

R

Academia

missingHE

Nothing major to report for the past month, mostly spent at home still in lockdown. A few offices and shops have already opened in London but all the public stuff, including…

Sorry, an error occurred

Quarto

R

Academia

missingHE

It has been a while from my last update on this website, but this has been an incredibly busy period with lots of routine work that I had to do. Now the situation has clamed…

New updates for missingHE

Quarto

R

Academia

missingHE

In spite of how incredibly busy I am at the moment, which is also weird considering the whole lockdown situation still going on, I managed to upload a new version (1.4.0)…

So much time but also not really

Quarto

R

Academia

missingHE

The lockdown proceeds also here in the UK, as in the rest of the world, and at the moment we have no clear idea how long it will last. Not much we can do apart from staying…

Living and working at home is nice, right?

Quarto

R

Academia

It has been roughtly a week and a half now since this whole shutdown started here in London and things are not going to be easy in the next few weeks. I am lucky, in that my…

Lockdown

Quarto

R

Academia

conference

I have to admit, although I expected some fear to spread because of the virus which is currently and quickly infecting the world, I was surprised by the frenzy surrounding…

Let us do some work

Quarto

R

Academia

workshop

The moment for the second edition of the HEART’s one-day introductory course to health economics arrived at last! The course, led by Rachael Hunter and called “Understanding…

Finally here …

Quarto

R

Academia

workshop

conference

publication

The new year is finally taking off for me and I have a couple of updates. First, I would like to remind everyone about the exciting new course “understanding health…

Let us do some work

Quarto

R

Academia

workshop

After the terrible start of this year, things are going ok now and I am quite busy with different projects that I left a bit behind. First, I can confirm that me and my…

Not a very good start…

Quarto

R

Academia

missingHE

After some nice holiday break, I came back to work ready for an exciting 2020 … or so I thought. Unfortunately, I have recently been caught by a terrible flu which forced me…

Too many things, again….

Quarto

R

Academia

conference

I did not have much time to post anything this month until now as it has been a quite busy period. I have been involved in many different works and I have also involved…

Copenhagen, I am coming …

Quarto

R

Academia

conference

Finally the time of ISPOR Europe 2019 has arrived and I will depart in a few days for Copenhagen, where the conference is held this year. I am actually looking forward to…

More good news…

Quarto

R

Academia

conference

I have got two news coming up. First, the paper I wrote with Michael and Gianluca on Bayesian methods for longitudinal data in trial-based economic evaluations has finally…

MissingHE 1.2.1

Quarto

R

Academia

missingHE

I have finally found some time to update the version for my R package missingHE, for which version 1.2.1 is now available on CRAN. I included two main features to the…

Discussing my thesis

Quarto

R

Academia

interview

I have been kindly invited by the amazing person Chris Sampson to talk about the work I inlcuded in my PhD thesis for his monthly rubric entitled “Thesis Thursday” on the The…

The P value fallacy

Quarto

R

Academia

statistics

Today, I would like to briefly comment an interesting research article written by Goodman, who provided a clear and exemplary discussion about the typical incorrect…

HESG Summer Meeting 2019

Quarto

R

Academia

Health Economics

I have just come back form my first Health Economists’ Study Group (HESG) meeting, which this year was held at the University of East Anglia in the beautiful city of…