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97798 topics in this forum
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Data Clustering Using R
by Guest Code Download- 0 replies
- 30 views
Find the patterns in your data sets using these Clustering.R script tricks. Continue reading...
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R Language OOP Using S3
by Guest Code Download- 0 replies
- 31 views
The S3 OOP model is still widely used, so let's use write S3-style OOP code via the R language. Continue reading...
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Build Data Applications for the Universal Windows Platform Using Entity Framework and SQLite
by Guest Code Download- 0 replies
- 39 views
Saving and retrieving data is a fundamental part of all but the simplest of applications. In this article, Nick walks through getting started using Entity Framework with SQLite to persist application data. Continue reading...
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Deploy the Android 7 Multi-Window Mode via Xamarin
by Guest Code Download- 0 replies
- 22 views
It's relatively simple to make use of the multi-window mode now that Xamarin supports it. Here's how. Continue reading...
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Use Custom Visualizers for C++ Objects
by Guest Code Download- 0 replies
- 24 views
Sometimes the default view of objects in the debugger isn't enough, especially if you operate on complex data structures. Here's one way to alter the view and use a customized one. Continue reading...
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Logistic Regression Using R
by Guest Code Download- 0 replies
- 21 views
I predict you'll find this logistic regression example with R to be helpful for gleaning useful information from common binary classification problems. Continue reading...
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Customizing a Xamarin Forms Application, Part 2
by Guest Code Download- 0 replies
- 19 views
Last time, I created the app. This time, I take care of a few annoying but important issues with it, especially in the area of the user's experience with application connectivity. Continue reading...
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Neural Networks Using the R nnet Package
by Guest Code Download- 0 replies
- 28 views
The R language simplifies the creation of neural network classifiers with an add-on that lays all the groundwork. Continue reading...
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Sez Who? Support for iOS 10 Speech Recognition in Xamarin
by Guest Code Download- 0 replies
- 19 views
With Apple's update to its phone OS, we look at the support that Xamarin has for it by building a simple speech app. Continue reading...
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Browsing Objects with IndexedDB
by Guest Code Download- 0 replies
- 17 views
Peter shows how to browse a set of objects in an IndexedDB ObjectStore and, along the way, finishes up his TypeScript/IndexedDB utilities for storing and retrieving large amounts of data on the client. Continue reading...
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Results Are in -- the Sign Test Using R
by Guest Code Download- 0 replies
- 19 views
The R language can be used to perform a sign test, which is handy for comparing "before and after" data. Continue reading...
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R Language Searching and Sorting
by Guest Code Download- 0 replies
- 24 views
A language that's data-intensive naturally should have a way to dig into the data effectively. Here's a look at some of the R functions for searching and sorting through it all. Continue reading...
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R Language Basic Data Structures
by Guest Code Download- 0 replies
- 22 views
Vectors, lists, arrays, matrices and data frames -- a look at five of the most fundamental data structures built into R. Continue reading...
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LINQ Query Enters the Age of Big Data
by Guest Code Download- 0 replies
- 15 views
Integrating distributed, in-memory computing with distributed caching can easily extend LINQ semantics to create important new capabilities for real-time analytics on fast-changing data. Continue reading...
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Permutations Using R
by Guest Code Download- 0 replies
- 19 views
R has limited support for mathematical permutations, but it's there. Here's what R is capable of accomplishing. Continue reading...
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How To Write a Function That Returns More Than One Value
by Guest Code Download- 0 replies
- 12 views
Like magic, tuples make the impossible possible. Yep, we're talking here about one little corner in the Standard Template Library that will make it simple to return multiple values from a single function, without "out" parameters -- and it has other uses, too. Continue reading...
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How the R Language Does OOP
by Guest Code Download- 0 replies
- 18 views
It's not quite like C# or Python, but the R language's object-oriented programming capabilities are getting better with each iteration. Let's take a look at what .NET developers are able do now with OOP in R6. Continue reading...
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Using the not_null Template for Pointers That Must Never Be Null
by Guest Code Download- 0 replies
- 14 views
Null pointer exceptions can get downright annoying, so who needs that? Continue reading...
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Initialize Member Variables in the Order You Declare Them
by Guest Code Download- 0 replies
- 19 views
In part 4 of this series on the C++ Core Guidelines, Kate Gregory reminds you of an oddity in C++ when it comes to initializing member variables, and shows you a best practice that will make sure this oddity never hurts you. Continue reading...
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How To Programmatically Customize iOS Keyboards with C#
by Guest Code Download- 0 replies
- 19 views
Developers will always look to customize everything, and keyboards aren't out of bounds. Here's how to customize the iOS keyboard that pops up in your mobile apps to address any shortcomings. Continue reading...
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Build Interactive Tiles for Microsoft Band
by Guest Code Download- 0 replies
- 16 views
Now that you know how to communicate with the Band apps, here's another twist. Let's get interactive. Continue reading...
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Choosing the Right Constructors to Write
by Guest Code Download- 0 replies
- 17 views
In part 3 of this series on the C++ Core Guidelines, we explore constructors and why, rather than writing a default constructor, you should use in-class member initializers, a feature added in C++ 11. Continue reading...
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Classic Stats, Or What ANOVA with R Is All About
by Guest Code Download- 0 replies
- 23 views
New to this type of analysis? It's a classic statistics technique that is still useful. Here's a technique for doing a one-way ANOVA using R. Continue reading...
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Don't Cast Away Const
by Guest Code Download- 0 replies
- 16 views
Too few C++ developers use const properly, or enough. A seemingly-strange guideline, suggesting you never use a particular language feature, leads to some insight about const and some good practices for you. Continue reading...
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Text Processing, Type Definition, I/O and Visualization in F#
by Guest Code Download- 0 replies
- 21 views
What you can do with most programming languages can be accomplished in F#'s functional programming paradigm. Here's how to handle some simple operations, which might look familiar to you already. Continue reading...