Articles by Euthymios Kasvikis

Shiny Application Layouts exercises part 3

April 30, 2017 | Euthymios Kasvikis

Shiny Application Layouts-Navbar Page In the third part of our series we will build another small shiny app but use another UI. Specifically we are going to create a Shiny application that includes more than one distinct sub-components each with its own characteristics. For our case we are going to ... [Read more...]

Shiny Application Layouts Exercises (Part-1)

April 19, 2017 | Euthymios Kasvikis

Shiny Application Layouts part 1 Welcome to the first part of our new series “Shiny Application Layouts”. As you can understand from the title we will see how to organize the output of our application in various ways. For this reason we will build together 10 simple apps that will help you ... [Read more...]

Building Shiny App exercises part 10

April 11, 2017 | Euthymios Kasvikis

SHINY DASHBOARD STRUCTURE & APPEARANCE Finally we reached in the final part of our series. At this part we will see how to improve the structure and the appearance of our dashboard even more, according to our preferences and of course make it more attractive to the user. Last but not ... [Read more...]

Building Shiny App Exercises (part-9)

April 1, 2017 | Euthymios Kasvikis

Shiny Dashboard Overview In this part we will “dig deeper” to discover the amazing capabilities that a Shiny Dasboard 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! ... [Read more...]

Building Shiny App Exercises (part-8)

March 24, 2017 | Euthymios Kasvikis

Transform your App into Dashboard Now that we covered the basic staff that you need to know in order to build your App it is time to enhance its appearance and its functionality. The interface is very important fot the user as it must not only be friendly but also ... [Read more...]

Building Shiny App exercises part 7

February 19, 2017 | Euthymios Kasvikis

Connect widgets & plots In the seventh part of our journey we are ready to connect more of the widgets we created before with our k-means plot in order to totally control its output. Of cousre we will also reform the plot itself properly in order to make it a real ... [Read more...]

Building Shiny App exercises part 6

February 7, 2017 | Euthymios Kasvikis

RENDER FUNCTIONS In the sixth part of our series we will talk about the renderPlot and the renderUI function and then we will be ready to create our first visualization. (Find part 1-5 here). We are going to create a simple interactive scatterplot that will help us see the clusters ... [Read more...]

Building Shiny App Exercises (part 5)

January 24, 2017 | Euthymios Kasvikis

RENDER FUNCTIONS In the fourth part of our series we just “scratched the surface” of reactivity by analyzing some of the properties of the renderTable function. Now it is time to get deeper and learn how to use the rest of the render functions that shiny provides. As you were ... [Read more...]

Building Shiny App exercises part 4

January 1, 2017 | Euthymios Kasvikis

APPLICATION LAYOUT & REACTIVITY The fourth part of our series is “separated” into two “sub-parts”. In the first one we will start building the skeleton of our application by using tabsetPanel. This is how we will separate the sections of our app and also organize its structure better. In the second ... [Read more...]

Building Shiny App exercises part 3

December 25, 2016 | Euthymios Kasvikis

ADD CONTROL WIDGETS Welcome to the third part of our series. In this part you will learn how to build and place inside your app the rest of the widgets which were mentioned in part 2. More specifically we will analyze: 1) helptext, 2) numericInput, 3) radioButtons, 4) selectInput, 5) sliderInput and 6) textInput. As […] [Read more...]

Building Shiny App exercises part 2

December 18, 2016 | Euthymios Kasvikis

ADD CONTROL WIDGETS In the second part of our series you will see how to add control widgets in your Shiny app. Widget is a web element that your users can interact with. The widgets provided by Shiny are: FUNCTIONS actionButton: Action Button checkboxGroupInput: A group of check boxes checkboxInput: ... [Read more...]

Building Shiny App exercises part 1

December 12, 2016 | Euthymios Kasvikis

INTRODUCTION TO SHINY Shiny is a package from RStudio that can be used to build interactive web pages with RStudio which is is an open source set of integrated tools designed to help you be more productive with R and you can download it from here. Use the examples in ... [Read more...]
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