Get to grips with key data visualization and predictive analytic skills using R Key FeaturesAcquire predictive analytic skills using various tools of RMake predictions about future events by discovering valuable information from data using RComprehensible guidelines that focus on predictive model design with real-world dataBook DescriptionThis book is packed with easy-to-follow guidelines that explain the workings of the many...

In January 532, mobs ruled Constantinople, capital of the Roman Empire. Against a backdrop lit by raging fires, John, Chamberlain to Emperor Justinian, must find those who would use the Nika Riots to dethrone the emperor. But are the ringleaders still in the city—or even alive?Porphyrius, the famous charioteer, may know more than he tells about the disappearance of two men under imperial guard. What of the brothers with a distant claim on the throne? Or the headstrong young girl? W...

As Lord Chamberlain, John spent his days counseling Emperor Justinian while passing the small hours of night in conversation with the solemn-eyed little girl depicted in a mosaic on his study wall. He never expected to meet her in a public square—or afterwards, to find her red-dyed corpse in a subterranean cistern. Had the mysterious woman truly been the model for the mosaic years before, as she claimed? Who was she? Who wanted her dead and why? The answers seem to lie among the denizens o...

The year is 548, and Empress Theodora is dead of disease. Such is the belief of everyone in Constantinople, capital of the Roman Empire—everyone except Emperor Justinian, who orders John, his Lord Chamberlain, to find her murderer or suffer the consequences.There is no sign of foul play, but many of the aristocrats at the imperial court had good reason to want Theodora dead. Suspects include General Artabanes, forced to occupy a house with an unloved wife, and Justinian’s cousin Ge...

In January 532, mobs rule Constantinople, capital of the Roman Empire. Against a murderous backdrop lit by raging fires, John, chamberlain to Emperor Justinian, must find those seeking to use the Nika Riots to dethrone the emperor.Porphyrius, the most famous charioteer of his time, may know more than he tells about the mysterious disappearance of two men under imperial guard. What role is being played by a pair of brothers with a distant claim on the throne? Does a headstrong young...

Master the art of predictive modelingAbout This BookLoad, wrangle, and analyze your data using the world's most powerful statistical programming languageFamiliarize yourself with the most common data mining tools of R, such as k-means, hierarchical regression, linear regression, Naive Bayes, decision trees, text mining and so on.We emphasize important concepts, such as the bias-variance trade-off and over-fitting, which are perva...

This book features a collection of essays and testimonials that provide new perspectives and incisive criticism on the writings and theatrical productions of Nigerian American author, director, and theorist Femi Euba. Esu, the Yoruba trickster deity of the crossroads, brings cohesion to this project and serves as a guiding principle for its contributors who draw upon Esu’s mysteries to illuminate distinctive characteristics of Euba’s oeuvre. As a key figure of Wole Soyinka’s circle, Euba’s...

Hidden deep beneath the Metropolitan Museum of Art is the Time Patrol, a secret agency charged with protecting the world’s timeline from the evil forces who wish to alter it. When the Patrol disappears without a trace, only twelve short hours are left before all life on Earth ceases to exist.Enter: the Nightstalkers. Summoned to find the Time Patrol, the Nightstalkers’ elite covert operatives begin to notice rifts in their own worlds. And when they realize one of their colleagues h...

Book 6 in the Area 51 series.In his time at Area 51, Mike Turcotte has learned one thing: we are not alone. As part of an elite Special Forces team, the former Green Beret has encountered things that are well beyond human understanding. Now, two ancient rivals from another world are vying to dominate Earth, and Mike and his team must choose which army to side with. The key to averting the crisis lies in a single weapon: Excalibur. The mythical, legendary sword of K...

Book 3 in the Nightstalkers series.Ever since the first Rift opened in Area 51 in 1947, exposing the world to deadly beings of pure energy, only the Nightstalkers have stood between humanity and complete annihilation. But as the decades have gone by, whatever power controls the Rifts seems to be getting smarter, as if refining an ultimate plan…An old ally alerts the Nightstalkers to a resurgence of Rifts in Tennessee, near one of the team’s first major skir...

Book 9 in the Area 51 series.Donnchadh and Gwalcmai were birthed on a far-flung planet in the Milky Way—a human breeding colony with the purpose of churning out disposable foot soldiers. But the masters of the colony, the Airlia, created humans with one fatal flaw: an insatiable thirst for freedom.Though Donnchadh and Gwalcmai become God-killers in the bloody revolt against their seemingly omnipotent creators and captors, their planet is already doomed. So ...

Book 8 in the Area 51 series.The half-breed known only as Nosferatu has existed since ancient Egyptian times as part of a group of bioengineered beings that served the old gods.But those gods are no more—eradicated by human efforts—so now Nosferatu schemes to thrust himself into the resulting power vacuum. In order to achieve this, he requires a piece of leftover alien technology known as the Holy Grail. With it, he can grasp true immortality, be freed of h...