Research Proposal Writing


Research Proposal Writing for Business, Social Sciences and Humanities covers some good material:


Handy Bash Commands


A few commands I use frequently but sometimes forget.

Concatenate mutliple PDF files

pdftk *.pdf cat output out.pdf

Convert a PDF page to an image

convert -density 150 input.pdf -quality 90 output.png

Batch resize images

mogrify -resize 640x480 *.{png|jpeg}

Crop an image

convert input.png -crop 0x4000 output.png

Create a GIF animation from images (10s delay, loop endlessly)

convert -delay 10 -loop 0 *.png animation.gif

Selected Resources on Fluid Mechanics


Below is short list of selected resources if you’re studying (advanced) fluid dynamics.

If you’re getting started with fluid mechanics at an advanced level I recommend you the following select resources. I also invite you to check previous posts on fluid dynamics most of which are videos or images of amazing fluid flows.

Continue reading

Assorted links – Data Science with R


last updated: 2015-08-29

References & Most helpful commands

Tutorials & Handy packages

Hands-on dplyr tutorial for faster data manipulation in R Interactive Visualizations From R Using Rcharts rMaps – Interactive Maps from R (github repo) (requires “devtools” from cran)
Using R for Psychological Research – Personality Project, William Revelle
DataCamp courses
Try R by Code School (on codeschool)
Introduction to R, Leada

Visualization Packages

see Assorted links – Data Visualization (to be published later)


Tidy Data, Hadley Wickham [PDF]


Big Data & Society – Open-access journal

Hacks for better productivity

Sublime and R

Using Sublime Text 2 for R Using R in Sublime Text 3


Video (training) courses

Introduction to Data Science with R, Garrett Grolemund, O’Reilly Media

Lists of Resources by others

Data Mining

Scraping Twitter and Web Data Using R – Pablo Barbera

Numerical Analysis
Data Sources

see Assorted links – Data sources (To be published later)

If you’d like to contribute to this list, please leave them in the comments below.

Assorted links – Apprendre le français

This is a list of resources for learning French. If you find a broken link please report it in the comments.

First, as taken from the “Apprendre le français avec TV5MONDE” website:


  • Watch the TV5MONDE channel in your
  • Check your knowledge of conjugation on the TV5MONDE French language page using the multifunction dictionary, test your spelling with letter games, listen to Merci Professeur’s lessons.
  • Learn current vocabulary with the 7 jours sur la planète application. Each week, memorise new vocabulary by playing with about forty words taken from television reports.
Audiovisuel – Audio, Video, et Podcasts




A Linux Guide to Book Scanning (& processing)


A Linux Guide to Book Scanning (& processing)