Publications by Euthymios Kasvikis

Visualizing dataset to apply machine learning-exercises

08.09.2017

INTRODUCTION Dear reader, If you are a newbie in the world of machine learning, then this tutorial is exactly what you need in order to introduce yourself to this exciting new part of the data science world. This post includes a full machine learning project that will guide you step by step to create a “template,” which you can use later on o...

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Applying machine learning algorithms – exercises

15.09.2017

INTRODUCTION Dear reader, If you are a newbie in the world of machine learning, then this tutorial is exactly what you need in order to introduce yourself to this exciting new part of the data science world. This post includes a full machine learning project that will guide you step by step to create a “template,” which you can use later on o...

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How to Visualize Data With Highcharter

02.04.2018

INTRODUCTION Highcharter is a R wrapper for Highcharts javascript libray and its modules. Highcharts is very mature and flexible javascript charting library and it has a great and powerful API1. The main features of this package are: Various chart type with the same style: scatters, bubble, line, time series, heatmaps, treemap, bar charts, networ...

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How to visualize data with Highcharter: exercises

09.04.2018

INTRODUCTION Highcharter is a R wrapper for Highcharts javascript libray and its modules. Highcharts is very mature and flexible javascript charting library and it has a great and powerful API. Before proceeding, please follow our short tutorial. Look at the examples given and try to understand the logic behind them. Then, try to solve the exerci...

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How to Plot With Metricsgraphics

13.04.2018

Introduction to Metricsgraphics Metricsgraphics is an htmlwidget interface to the MetricsGraphics.js JavaScript/D3 chart library. Installation devtools::install_github(“hrbrmstr/metricsgraphics”) Usage Building metricsgraphics charts follows the “piping” idiom, made popular through the magrittr, ggvis and dplyr packages. This makes it pos...

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How to Plot With Ggiraph

27.04.2018

INTRODUCTION The ggiraph is an htmlwidget and a ggplot2 extension. It allows ggplot graphics to be animated. Animation is made with ggplot geometries that can understand three arguments: Tooltip: a column of data-sets that contain tooltips to be displayed when the mouse is over elements. Onclick: a column of data-sets that contain a JavaScript fu...

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How to Plot With Ggiraph: Exercises

04.05.2018

INTRODUCTION The ggiraph is an htmlwidget and a ggplot2 extension. It allows ggplot graphics to be animated. Animation is made with ggplot geometries that can understand three arguments: Tooltip: a column of data-sets that contain tooltips to be displayed when the mouse is over elements. Onclick: a column of data-sets that contain a JavaScript fu...

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How to Plot With Dygraphs

11.05.2018

The dygraphs package is an R interface to the dygraphs JavaScript charting library. It provides rich facilities for charting time-series data in R, including: 1. Automatically plots xts time-series objects (or any object convertible to xts.) 2. Highly configurable axis and series display (including optional second Y-axis.) 3. Rich interactive fea...

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How To Plot With Dygraphs: Exercises

18.05.2018

INTRODUCTION The dygraphs package is an R interface to the dygraphs JavaScript charting library. It provides rich facilities for charting time-series data in R, including: 1. Automatically plots xts time-series objects (or any object convertible to xts.) 2. Highly configurable axis and series display (including optional second Y-axis.) 3. Rich in...

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How to plot with patchwork

25.05.2018

INTRODUCTION The goal of patchwork is to make it simple to combine separate ggplots into the same graphic. As such it tries to solve the same problem as gridExtra::grid.arrange() and cowplot::plot_grid but using an API that incites exploration and iteration. Installation You can install patchwork from github with: # install.packages("devtools") ...

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