Publications by Euthymios Kasvikis
Data Visualization with googleVis exercises part 1
Line, Bar and Column Charts Hello everybody! This is the first part of an exciting data visualization series r exercises.com is going to provide you. Data visualization involves the creation and study of the visual representation of data. The increasing amounts of data created by Internet activity make the “data visualization” tool totally ne...
3714 sym 2 img
Data Visualization with googleVis exercises part 2
Area, Stepped & Combo charts In the second part of our series we are going to meet three more googleVis charts. More specifically these charts are Area Chart, Stepped Area Chart and Combo Chart. Read the examples below to understand the logic of what we are going to do and then test yous skills with the exercise set we prepared for you. Lets begi...
4275 sym 4 img
Data Visualization with googleVis exercises part 3
Scatter & Bubble chart This is the third part of our data visualization series and at this part we will explore the features of two more of the charts that googleVis provides. Read the examples below to understand the logic of what we are going to do and then test yous skills with the exercise set we prepared for you. Lets begin! Answers to the e...
4236 sym 4 img
Data Visualization with googleVis exercises part 4
Adding Features to your Charts We saw in the previous charts some basic and well-known types of charts that googleVis offers to users. Before continuing with other, more sophisticated charts in the next parts we are going to “dig a little deeper” and see some interesting features of those we already know. Read the examples below to understand...
6455 sym 4 img
Data Visualization with googleVis exercises part 5
Candlestick, Pie, Gauge, Intensity Charts In the fifth part of our journey we will meet some special but more and more usable types of charts that googleVis provides. More specifically you will learn about the features of Candlestick, Pie, Gauge and Intensity Charts. Read the examples below to understand the logic of what we are going to do and t...
4202 sym 4 img
How to create visualizations with iPlots package in R
INTRODUCTION iPlots is a package which provides interactive statistical graphics, written in Java. You can find many interesting plots such as histograms, barcharts, scatterplots, boxplots, fluctuation diagrams, parallel coordinates plots and spineplots. The amazing part is that all of these plots support querying, linked highlighting, color brus...
4083 sym 2 img
iPlots exercises
INTRODUCTION iPlots is a package which provides interactive statistical graphics, written in Java. You can find many interesting plots such as histograms, barcharts, scatterplots, boxplots, fluctuation diagrams, parallel coordinates plots and spineplots. The amazing part is that all of these plots support querying, linked highlighting, color brus...
2616 sym 4 img
Data Visualization with googleVis exercises part 6
Geographical Charts In part 6 of this series we are going to see some amazing geographical charts that googleVis provides. Read the examples below to understand the logic of what we are going to do and then test yous skills with the exercise set we prepared for you. Lets begin! Answers to the exercises are available here. Package As you already k...
3904 sym 4 img
Data visualization with googleVis exercises part 7
Table, Org Chart & Tree Map In the seventh part of our series we are going to learn about the features of some interesting types of charts. More specifically we will talk about Table, Org Chart and Tree Map. Read the examples below to understand the logic of what we are going to do and then test yous skills with the exercise set we prepared for ...
3774 sym 4 img
How to create reports with R Markdown in RStudio
Introduction R Markdown is one of the most popular data science tools and is used to save and execute code to create exceptional reports whice are easily shareable. The documents that R Markdown provides are fully reproducible and support a wide variety of static and dynamic output formats. R Markdown uses markdown syntax, which provides an easy...
6549 sym 4 img