Posts by Tag

data

T is for Table  -  8 Jun, 2020 (data)

Python table manipulation library

Time in PC  - 15 Jul, 2015 (data, project)

DYI Time in PC tracker

Data Processing Techniques  -  9 Nov, 2012 (data, statistics)

Reference of techniques that help in data processing, filtering, splitting, etc

How to get into the Semantic Web  - 11 Jan, 2012 (data, semanticweb)

Practical examples on tagging up a site with RDFa tags, then extract and use the semantic web data

Data, Data, Data!  - 18 Dec, 2011 (data, semanticweb, idea)

A view on a data driven future and the need for the semantic web

Table.query  - 14 Oct, 2011 (data, ruby, SQL, project)

A small ruby class inspired by R’s sqldf

Monitoring Productivity II - the Others  - 30 Sep, 2011 (data, productivity, statistics, R, project)

In previous Monitoring Productivity Experiment I looked into the hours I spent in computer, now I look into the hours others spend in computer, which is far ...

Dashboards Toolkit  - 24 May, 2011 (data, visualization, ruby, dashboard, javascript, project)

An important part of being data driven is to have a daily feedback on data, here’s a couple of automated dashboards i’ve built recently

Who Chats the Most?  - 28 Apr, 2011 (data, visualization, statistics, ruby, project)

From my Skype chat history, a visualization of the counts of chats by (anonymised) user

Machine Learning Ex5.2 - Regularized Logistic Regression  - 20 Mar, 2011 (machinelearning, R, statistics, project, data)

Improves the Logistic Regression implementation done in Ex4 by adding a regularization parameter that reduces the problem of over-fitting. Using Newton’s Met...

Weight Loss Predictor  -  5 Feb, 2011 (data, R, health, montecarlo, statistics, visualization)

Diet and Predicting when I am going to be healthy

Monitoring Productivity Experiment  - 20 Oct, 2010 (data, productivity, statistics, visualization, emacs, R)

Looking at time spent in computer and how much of it is actually productive

Visualizing Data, with Processing and JRuby  - 14 Jan, 2008 (data, project, visualization, statistics, ruby)

A data visualization experiment, including a mini data warehouse, to visualize amount of vegetarians around the word

Back to Top ↑

project

Time in PC  - 15 Jul, 2015 (data, project)

DYI Time in PC tracker

Programming  - 10 Apr, 2013 (programming, project)

Programming Best Practices

Javascript Bookmark Scripts  -  5 Dec, 2012 (javascript, project)

Create and share little javascript scripts that augment/improve the pages you look at.

Confluence automation  -  2 Apr, 2012 (ruby, automation, project)

Script to automate updating content of a confluence wiki, both page content and page attachments

Table.query  - 14 Oct, 2011 (data, ruby, SQL, project)

A small ruby class inspired by R’s sqldf

Monitoring Productivity II - the Others  - 30 Sep, 2011 (data, productivity, statistics, R, project)

In previous Monitoring Productivity Experiment I looked into the hours I spent in computer, now I look into the hours others spend in computer, which is far ...

Dashboards Toolkit  - 24 May, 2011 (data, visualization, ruby, dashboard, javascript, project)

An important part of being data driven is to have a daily feedback on data, here’s a couple of automated dashboards i’ve built recently

Who Chats the Most?  - 28 Apr, 2011 (data, visualization, statistics, ruby, project)

From my Skype chat history, a visualization of the counts of chats by (anonymised) user

Machine Learning Ex5.2 - Regularized Logistic Regression  - 20 Mar, 2011 (machinelearning, R, statistics, project, data)

Improves the Logistic Regression implementation done in Ex4 by adding a regularization parameter that reduces the problem of over-fitting. Using Newton’s Met...

Homemade Auto-Updater  -  1 Dec, 2010 (automation, emacs, project)

Script to update an application to the last version. It automates the process of downloading and installing the app

Clojure and Selenium  - 24 Apr, 2009 (automation, clojure, webcrawler, project)

I needed a crawler to go around a list of pages, invoke some javascript(tests) and collect the output

Photo organizer  - 25 Nov, 2008 (automation, ruby, python, project)

Script to organize pictures into folders by the day they were taken

Stock Price Alert  - 31 Jul, 2008 (automation, ruby, project)

Waiting for a stock price to rise to a certain value to sell it? or waiting for the price to drop to a certain value to buy it? But don’t want to be checking...

Ebay Misspells Search  - 27 Jun, 2008 (automation, ruby, project)

a script that given an ebay search term, creates misspells alternatives and then executes an (ebay)search. because sometimes great bargains can be found from...

Visualizing Data, with Processing and JRuby  - 14 Jan, 2008 (data, project, visualization, statistics, ruby)

A data visualization experiment, including a mini data warehouse, to visualize amount of vegetarians around the word

Back to Top ↑

life

Game of Life  -  9 Feb, 2014 (learning, life)

If you see life as a game, then maybe you can use strategic thinking to optimize it.

Favorite Talks  - 26 Jul, 2013 (learning, life)

Talks, presentations that i found very interesting

Meta Learning  -  7 Mar, 2013 (learning, life)

learning how to learn

Funds ‘R’ US  - 12 Feb, 2008 (life)

Is it only me, or is a bit annoying that every year around Christmas, Birthday’s, etc, we all have to go and find some gift and more often than none ends up ...

Big Brother Google  - 18 Jan, 2008 (life)

Google, data nirvana and grandmother’s birthday

Back to Top ↑

statistics

Data Processing Techniques  -  9 Nov, 2012 (data, statistics)

Reference of techniques that help in data processing, filtering, splitting, etc

Monitoring Productivity II - the Others  - 30 Sep, 2011 (data, productivity, statistics, R, project)

In previous Monitoring Productivity Experiment I looked into the hours I spent in computer, now I look into the hours others spend in computer, which is far ...

Who Chats the Most?  - 28 Apr, 2011 (data, visualization, statistics, ruby, project)

From my Skype chat history, a visualization of the counts of chats by (anonymised) user

Machine Learning Ex5.2 - Regularized Logistic Regression  - 20 Mar, 2011 (machinelearning, R, statistics, project, data)

Improves the Logistic Regression implementation done in Ex4 by adding a regularization parameter that reduces the problem of over-fitting. Using Newton’s Met...

Weight Loss Predictor  -  5 Feb, 2011 (data, R, health, montecarlo, statistics, visualization)

Diet and Predicting when I am going to be healthy

Monitoring Productivity Experiment  - 20 Oct, 2010 (data, productivity, statistics, visualization, emacs, R)

Looking at time spent in computer and how much of it is actually productive

Visualizing Data, with Processing and JRuby  - 14 Jan, 2008 (data, project, visualization, statistics, ruby)

A data visualization experiment, including a mini data warehouse, to visualize amount of vegetarians around the word

Back to Top ↑

ruby

Confluence automation  -  2 Apr, 2012 (ruby, automation, project)

Script to automate updating content of a confluence wiki, both page content and page attachments

Table.query  - 14 Oct, 2011 (data, ruby, SQL, project)

A small ruby class inspired by R’s sqldf

Dashboards Toolkit  - 24 May, 2011 (data, visualization, ruby, dashboard, javascript, project)

An important part of being data driven is to have a daily feedback on data, here’s a couple of automated dashboards i’ve built recently

Who Chats the Most?  - 28 Apr, 2011 (data, visualization, statistics, ruby, project)

From my Skype chat history, a visualization of the counts of chats by (anonymised) user

Photo organizer  - 25 Nov, 2008 (automation, ruby, python, project)

Script to organize pictures into folders by the day they were taken

Stock Price Alert  - 31 Jul, 2008 (automation, ruby, project)

Waiting for a stock price to rise to a certain value to sell it? or waiting for the price to drop to a certain value to buy it? But don’t want to be checking...

Ebay Misspells Search  - 27 Jun, 2008 (automation, ruby, project)

a script that given an ebay search term, creates misspells alternatives and then executes an (ebay)search. because sometimes great bargains can be found from...

Visualizing Data, with Processing and JRuby  - 14 Jan, 2008 (data, project, visualization, statistics, ruby)

A data visualization experiment, including a mini data warehouse, to visualize amount of vegetarians around the word

Back to Top ↑

automation

Confluence automation  -  2 Apr, 2012 (ruby, automation, project)

Script to automate updating content of a confluence wiki, both page content and page attachments

Homemade Auto-Updater  -  1 Dec, 2010 (automation, emacs, project)

Script to update an application to the last version. It automates the process of downloading and installing the app

Clojure and Selenium  - 24 Apr, 2009 (automation, clojure, webcrawler, project)

I needed a crawler to go around a list of pages, invoke some javascript(tests) and collect the output

Photo organizer  - 25 Nov, 2008 (automation, ruby, python, project)

Script to organize pictures into folders by the day they were taken

Stock Price Alert  - 31 Jul, 2008 (automation, ruby, project)

Waiting for a stock price to rise to a certain value to sell it? or waiting for the price to drop to a certain value to buy it? But don’t want to be checking...

Ebay Misspells Search  - 27 Jun, 2008 (automation, ruby, project)

a script that given an ebay search term, creates misspells alternatives and then executes an (ebay)search. because sometimes great bargains can be found from...

Back to Top ↑

R

Monitoring Productivity II - the Others  - 30 Sep, 2011 (data, productivity, statistics, R, project)

In previous Monitoring Productivity Experiment I looked into the hours I spent in computer, now I look into the hours others spend in computer, which is far ...

Machine Learning Ex5.2 - Regularized Logistic Regression  - 20 Mar, 2011 (machinelearning, R, statistics, project, data)

Improves the Logistic Regression implementation done in Ex4 by adding a regularization parameter that reduces the problem of over-fitting. Using Newton’s Met...

Weight Loss Predictor  -  5 Feb, 2011 (data, R, health, montecarlo, statistics, visualization)

Diet and Predicting when I am going to be healthy

Monitoring Productivity Experiment  - 20 Oct, 2010 (data, productivity, statistics, visualization, emacs, R)

Looking at time spent in computer and how much of it is actually productive

Back to Top ↑

visualization

Dashboards Toolkit  - 24 May, 2011 (data, visualization, ruby, dashboard, javascript, project)

An important part of being data driven is to have a daily feedback on data, here’s a couple of automated dashboards i’ve built recently

Who Chats the Most?  - 28 Apr, 2011 (data, visualization, statistics, ruby, project)

From my Skype chat history, a visualization of the counts of chats by (anonymised) user

Weight Loss Predictor  -  5 Feb, 2011 (data, R, health, montecarlo, statistics, visualization)

Diet and Predicting when I am going to be healthy

Monitoring Productivity Experiment  - 20 Oct, 2010 (data, productivity, statistics, visualization, emacs, R)

Looking at time spent in computer and how much of it is actually productive

Visualizing Data, with Processing and JRuby  - 14 Jan, 2008 (data, project, visualization, statistics, ruby)

A data visualization experiment, including a mini data warehouse, to visualize amount of vegetarians around the word

Back to Top ↑

learning

Game of Life  -  9 Feb, 2014 (learning, life)

If you see life as a game, then maybe you can use strategic thinking to optimize it.

Favorite Talks  - 26 Jul, 2013 (learning, life)

Talks, presentations that i found very interesting

Meta Learning  -  7 Mar, 2013 (learning, life)

learning how to learn

Back to Top ↑

clojure

Clojure and Selenium  - 24 Apr, 2009 (automation, clojure, webcrawler, project)

I needed a crawler to go around a list of pages, invoke some javascript(tests) and collect the output

Back to Top ↑

idea

Data, Data, Data!  - 18 Dec, 2011 (data, semanticweb, idea)

A view on a data driven future and the need for the semantic web

Back to Top ↑

machinelearning

Machine Learning Ex5.2 - Regularized Logistic Regression  - 20 Mar, 2011 (machinelearning, R, statistics, project, data)

Improves the Logistic Regression implementation done in Ex4 by adding a regularization parameter that reduces the problem of over-fitting. Using Newton’s Met...

Back to Top ↑

montecarlo

Weight Loss Predictor  -  5 Feb, 2011 (data, R, health, montecarlo, statistics, visualization)

Diet and Predicting when I am going to be healthy

Back to Top ↑

emacs

Homemade Auto-Updater  -  1 Dec, 2010 (automation, emacs, project)

Script to update an application to the last version. It automates the process of downloading and installing the app

Monitoring Productivity Experiment  - 20 Oct, 2010 (data, productivity, statistics, visualization, emacs, R)

Looking at time spent in computer and how much of it is actually productive

Back to Top ↑

javascript

Javascript Bookmark Scripts  -  5 Dec, 2012 (javascript, project)

Create and share little javascript scripts that augment/improve the pages you look at.

Dashboards Toolkit  - 24 May, 2011 (data, visualization, ruby, dashboard, javascript, project)

An important part of being data driven is to have a daily feedback on data, here’s a couple of automated dashboards i’ve built recently

Back to Top ↑

productivity

Monitoring Productivity II - the Others  - 30 Sep, 2011 (data, productivity, statistics, R, project)

In previous Monitoring Productivity Experiment I looked into the hours I spent in computer, now I look into the hours others spend in computer, which is far ...

Monitoring Productivity Experiment  - 20 Oct, 2010 (data, productivity, statistics, visualization, emacs, R)

Looking at time spent in computer and how much of it is actually productive

Back to Top ↑

music

Back to Top ↑

python

Photo organizer  - 25 Nov, 2008 (automation, ruby, python, project)

Script to organize pictures into folders by the day they were taken

Back to Top ↑

abtesting

Back to Top ↑

webcrawler

Clojure and Selenium  - 24 Apr, 2009 (automation, clojure, webcrawler, project)

I needed a crawler to go around a list of pages, invoke some javascript(tests) and collect the output

Back to Top ↑

health

Weight Loss Predictor  -  5 Feb, 2011 (data, R, health, montecarlo, statistics, visualization)

Diet and Predicting when I am going to be healthy

Back to Top ↑

semanticweb

How to get into the Semantic Web  - 11 Jan, 2012 (data, semanticweb)

Practical examples on tagging up a site with RDFa tags, then extract and use the semantic web data

Data, Data, Data!  - 18 Dec, 2011 (data, semanticweb, idea)

A view on a data driven future and the need for the semantic web

Back to Top ↑

guitar

Back to Top ↑

arguments

Back to Top ↑

jruby

Back to Top ↑

keyboard

Back to Top ↑

tools

Back to Top ↑

dashboard

Dashboards Toolkit  - 24 May, 2011 (data, visualization, ruby, dashboard, javascript, project)

An important part of being data driven is to have a daily feedback on data, here’s a couple of automated dashboards i’ve built recently

Back to Top ↑

SQL

Table.query  - 14 Oct, 2011 (data, ruby, SQL, project)

A small ruby class inspired by R’s sqldf

Back to Top ↑

programming

Programming  - 10 Apr, 2013 (programming, project)

Programming Best Practices

Back to Top ↑

product

Back to Top ↑

application

Back to Top ↑

startup

Back to Top ↑

web analytics

Back to Top ↑

presenting

Back to Top ↑

ab-testing

Back to Top ↑

clistream

Back to Top ↑

mental models

Back to Top ↑