Blog Archives

Selecting ‘special’ photos on your phone

January 15, 2019
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Selecting ‘special’ photos on your phone

At the beginning of the new year I always want to clean up my photos on my phone. It just never happens. So now (like so many others I think) I have a lot of photos on my phone from … Continue reading →

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An R Shiny app to recognize flower species

December 17, 2018
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An R Shiny app to recognize flower species

Introduction Playing around with PyTorch and R Shiny resulted in a simple Shiny app where the user can upload a flower image, the system will then predict the flower species. Steps that I took Download labeled flower data from the … Continue reading →

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SatRday talks recordings

October 17, 2018
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SatRday talks recordings

A couple of weeks ago, the first of September we had satRday in Amsterdam (The Netherlands) a fantastic event hosted by GoDataDriven. Now the great talks, including my 10 minute lightning talk on text2vec are online. My talk The satRday … Continue reading →

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Cucumber time, food on a 2D plate / plane

July 27, 2018
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Cucumber time, food on a 2D plate / plane

Introduction It is 35 degree Celsius out side, we are in the middle of the ‘slow news season’, in many countries also called cucumber time.  A period typified by the appearance of less informative and frivolous news in the media. … Continue reading →

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Amsterdam in an R leaflet nutshell

April 25, 2018
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Amsterdam in an R leaflet nutshell

The municipal services of Amsterdam (The Netherlands) is providing open panorama images. See here and here. A camera car has driven around in the city, and now you can download these images. Per neighborhood of Amsterdam  I randomly sampled 20 … Continue reading →

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Is that a BMW or a Peugeot?

April 13, 2018
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Is that a BMW or a Peugeot?

Introduction My son is 8 years old and he has shown a lot of interest in cars, which is strange because I have zero interest in cars. But he is driving me crazy when we have a car ride: “dad … Continue reading →

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t-sne dimension reduction on Spotify mp3 samples

January 31, 2018
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t-sne dimension reduction on Spotify mp3 samples

Introduction Not long ago I was reading on t-Distributed Stochastic Neighbor Embedding (t-sne), a very interesting dimension reduction technique, and on Mel frequency cepstrum a sound processing technique. Details of both techniques can be found here and here. Can we combine … Continue reading →

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The ‘I-Love-IKEA’ – web app, built at the IKEA Hackaton with R and Shiny

December 10, 2017
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The ‘I-Love-IKEA’ – web app, built at the IKEA Hackaton with R and Shiny

Introduction On the 8th, 9th and 10th of December I participated at the IKEA hackaton. In one word it was just FANTASTIC! Well organized, good food, and participants from literally all over the world, even the heavy snow fall on … Continue reading →

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Association rules using FPGrowth in Spark MLlib through SparklyR

November 23, 2017
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Association rules using FPGrowth in Spark MLlib through SparklyR

Introduction Market Basket Analysis or association rules mining can be a very useful technique to gain insights in transactional data sets, and it can be useful for product recommendation. The classical example is data in a supermarket. For each customer … Continue reading →

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Dataiku 4.1.0: More support for R users!

November 20, 2017
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Dataiku 4.1.0:  More support for R users!

Introduction Recently, Dataiku 4.1.0 was released, it now offers much more support for R users. But wait a minute, Data-what? I guess some of you do not know Dataiku, so what is Dataiku in the first place? It is a … Continue reading →

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