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Praktica Pioneer R 10x42 Mm Binoculars - Brown

Praktica Pioneer R 10x42 Mm Binoculars - Brown

Whether youre a keen bird watcher, enjoy sightseeing or simply want to look at the world in more detail, the PRAKTICA Pioneer R 10x42 mm Binoculars will deliver crucial moments with ease. Their premium silver coated lenses, wide angular field of view and impressive close focus distance produces a high definition image even in the poorest of lighting conditions. Sporting waterproof & nitrogen purged housing, the Pioneer R binoculars ensure you can enjoy natures wonders at their finest! Additional features include twist up eye cups for easy adjustment for eyeglass and non-eyeglass wearers and the semi-attached objective lens caps ensure you never have to worry about protecting your lenses again. The Pioneer Series binoculars are tripod-adaptable and include a hard case, neckstrap, objective lens caps, eyepiece caps and a 25 year limited warranty.

GBP 89.99
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Xproll-l 1/8000s hss ttl leica wireless flash trigger

Xproll-l 1/8000s hss ttl leica wireless flash trigger

The GODOX XPROII L for Leica is everything that you loved about the original ST-IV with added functionality. The XPROII L supports both TTL auto-exposure and High-Speed Sync (HSS), which enables you to use your flash at shutter speeds up to 1/8000s. The XPROII L now features Bluetooth support allowing it to be used in conjunction with the GODOX Flash Smartphone App. This enables you to control the power of your flashes with your smartphone, ideal for situations where the trigger on your camera cannot be easily accessed. With its large screen dedicated group buttons, and user-friendly interface, the XPROII L is the perfect trigger for any professional photographer. The GODOX XPROII L is the perfect update to an already great flash trigger. The addition of Smartphone App control and added compatibility with the Sekonic L-858D Flash Meter with GODOX 2.4Ghz module. Along with the other new features such as Scan for the best channel, the XPROII L is the perfect flash trigger for owners of Leica cameras who are looking for a fully functioning trigger for their Leica Camera.

GBP 100.80
1

Using the R Commander A Point-and-Click Interface for R

Using the R Commander A Point-and-Click Interface for R

This book provides a general introduction to the R Commander graphical user interface (GUI) to R for readers who are unfamiliar with R. It is suitable for use as a supplementary text in a basic or intermediate-level statistics course. It is not intended to replace a basic or other statistics text but rather to complement it although it does promote sound statistical practice in the examples. The book should also be useful to individual casual or occasional users of R for whom the standard command-line interface is an obstacle. tinyurl. com/RcmdrBookThe site includes data files used in the book and an errata list. http://socserv. mcmaster. ca/jfox/Books/RCommander/Writing-Rcmdr-Plugins. pdf Writing R Commander Plug-in Packages | Using the R Commander A Point-and-Click Interface for R

GBP 175.00
1

The R Student Companion

The R Student Companion

R is the amazing free open-access software package for scientific graphs and calculations used by scientists worldwide. The R Student Companion is a student-oriented manual describing how to use R in high school and college science and mathematics courses. Written for beginners in scientific computation the book assumes the reader has just some high school algebra and has no computer programming background. The author presents applications drawn from all sciences and social sciences and includes the most often used features of R in an appendix. In addition each chapter provides a set of computational challenges: exercises in R calculations that are designed to be performed alone or in groups. Several of the chapters explore algebra concepts that are highly useful in scientific applications such as quadratic equations systems of linear equations trigonometric functions and exponential functions. Each chapter provides an instructional review of the algebra concept followed by a hands-on guide to performing calculations and graphing in R. R is intuitive even fun. Fantastic publication-quality graphs of data equations or both can be produced with little effort. By integrating mathematical computation and scientific illustration early in a student‘s development R use can enhance one's understanding of even the most difficult scientific concepts. While R has gained a strong reputation as a package for statistical analysis The R Student Companion approaches R more completely as a comprehensive tool for scientific computing and graphing.

GBP 175.00
1

Visualizing Surveys in R

Visualizing Surveys in R

Visualizing Surveys in R is about creating static print quality figures from survey data using R. The focus is not for example on statistical analysis of survey data but rather on giving concrete solutions for typical problems in visualizing survey data. While there are many excellent books on data visualization surveys and R the aim of this book is to bring these topics together and offer practical instructions for visualizing surveys in R. Features Introduction to survey data: variables categories and scales Description of a process for visualizing survey data Recommendations for reading survey data into R Advice on building a survey dataset in R to facilitate versatile plotting Step-by-step recipes in R for creating useful plots from survey data The book is intended for researchers who regularly use surveys and are interested in learning how to seize the vast possibilities and the flexibility of R in survey analysis and visualizations. The book is also valuable for psychologists marketeers HR personnel managers and other professionals who wish to standardize and automate the process for visualizing survey data. Finally the book is suitable as a course textbook either more widely on survey studies or more strictly on visualizing survey data in R.

GBP 140.00
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