3148 search results for "ggplot"

Building a DGA Classifer: Part 2, Feature Engineering

October 2, 2014
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Building a DGA Classifer: Part 2, Feature Engineering

This is part two of a three-part blog series on building a DGA classifier and it is split into the three phases of building a classifier: 1) Data preperation 2) Feature engineering and 3) Model selection. Back in part 1, we prepared the data and we are starting with a nice clean list of domains labeled as either legitamate (“legit”) or generated by...

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Cross Validation for Kernel Density Estimation

October 1, 2014
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Cross Validation for Kernel Density Estimation

In a post publihed in July, I mentioned the so called the Goldilocks principle, in the context of kermel density estimation, and bandwidth selection. The bandwith should not be too small (the variance would be too large) and it should not be too large (the bias would be too large). Another standard method to select the bandwith, as mentioned...

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Complex Domain Coloring

September 30, 2014
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Complex Domain Coloring

Why don’t you stop doodling and start writing serious posts in your blog? (Cecilia, my beautiful wife) Choose a function, apply it to a set of complex numbers, paint  the result using the HSV technique and be ready to be impressed because images can be absolutely amazing. You only need ggplot2 package and your imagination. This is what happens

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Interactive Visualisation of the Profitable Amount of Waste to Dispose Illegally

September 30, 2014
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Interactive Visualisation of the Profitable Amount of Waste to Dispose Illegally

"Wow!" - I said to myself after reading R Helps With Employee Churn post - "I can create interactive plots in R?!!! I have to try it out!" I quickly came up with an idea of creating interactive plot for my simple model for assessment of the profitable ratio between the volume waste that could be illegally...

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Syrian Refugee Settlement Clinic Locations

September 30, 2014
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Syrian Refugee Settlement Clinic Locations

Previously I posted about the location of refugee settlements and how that had grown in density over time as well as in numbers.  As many NGOs and non-profits work in the area, they are providing much needed assistance to the people living around ...

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jsonlite 0.9.12: now even lighter and faster

September 28, 2014
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jsonlite 0.9.12: now even lighter and faster

The jsonlite package implements a robust, high performance JSON parser and generator for R, optimized for statistical data and the web. This week version 0.9.12 appeared on CRAN which includes a completely rewritten json parser and more optimized C code for json generation. The new parser is based on yajl...

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Back to square one – R and RStudio installation

September 28, 2014
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Back to square one  – R and RStudio installation

I remember my first experience installing R. Basic installation can be humbling for someone not familiar with mirror networks or file binaries. I remember not knowing the difference between base and contrib… which one to select? The concept of CRAN and mirrors was also new to me. Which location do I choose and are they

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A bioinformatics walk-through: Accessing protein-protein interaction interfaces for all known protein structures with PDBe PISA

September 28, 2014
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A bioinformatics walk-through: Accessing protein-protein interaction interfaces for all known protein structures with PDBe PISA

If this summer’s posting became a little infrequent, part of the blame lies with computational research I’ve been working on, regarding the systems biology of chromosomal translocations and the ensuing chimeric proteins at the Medical Research Council Laboratory of Molecular Biology in Cambridge. A sizeable part of bioinformatics ‘dry lab’ work falls into what has been described in the Canned Regular Expressions: qdapRegex 0.1.2 on CRAN

We’re pleased to announce first CRAN release of qdapRegex! You can read about qdapRegex or skip right to the examples. qdapRegex is a collection of regular expression tools associated with the qdap package that may be useful outside of the context … Continue reading →

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FIFA 15 Analysis with R

September 26, 2014
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FIFA 15 Analysis with R

Several months ago, I used R to analyze professional soccer players based on their attributes from the video game, FIFA14. Now that FIFA15 is upon us, let's take a similar look.FIFA 15 is a video game by EA Sports that mimics the experience of managing and playing for a soccer team. The game uses the likenesses and attributes...

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