Head First Data Analysis: A Learner's Guide to Big Numbers, by Michael Milton

By Michael Milton

Note: switched over from azw4

Today, analyzing information is a severe decision-making issue for companies and enterprises. in the event that your task calls for you to regulate and research every kind of knowledge, flip to move First info research, the place you'll fast acquire and manage facts, type the distractions from the reality, locate significant styles, draw conclusions, are expecting the longer term, and current your findings to others.

Whether you're a product developer gaining knowledge of the industry viability of a brand new services or products, a advertising supervisor gauging or predicting the effectiveness of a crusade, a salesman who wishes info to aid product displays, or a lone entrepreneur chargeable for all of those data-intensive services and extra, the original procedure in Head First info research is by means of a ways the best solution to examine what you want to recognize to transform uncooked info right into a very important enterprise tool.

You'll learn the way to:

* be certain which information resources to exploit for amassing information
* examine information caliber and distinguish sign from noise
* construct uncomplicated facts versions to light up styles, and assimilate new details into the models
* focus on ambiguous information
* layout experiments to check hypotheses and draw conclusions
* Use segmentation to arrange your facts inside of discrete marketplace groups
* Visualize facts distributions to bare new relationships and convince others
* expect the long run with sampling and chance models
* fresh your info to make it useful
* converse the result of your research in your audience

Using the newest study in cognitive technology and studying thought to craft a multi-sensory studying adventure, Head First facts research makes use of a visually wealthy layout designed for how your mind works, now not a text-heavy method that places you to sleep.

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Additional resources for Head First Data Analysis: A Learner's Guide to Big Numbers, Statistics, and Good Decisions

Example text

Sure, you might come across some interesting sights, and sometimes you might want to wander around in the hopes you’ll stumble on something cool, but who’s to say you’ll find anything? Map Road trip with a destination. Mission accomplished! Here’s a gigantic analytical report. Map Road trip without a destination. Who knows where you’ll end up? See the similarity? Ever seen an “analytical report” that’s a million pages long, with tons and tons of charts and diagrams? Every once in a while, an analyst really does need a ream of paper or an hourlong slide show to make a point.

Define Disassemble Data analysis is all about breaking problems and data into smaller pieces Knowing your problem is the very first step. In every chapter of this book, you’ll go through these steps over and over again, and they’ll become second nature really quickly. Ultimately, all data analysis is designed to lead to better decisions, and you’re about to learn how to make better decisions by gleaning insights from a sea of data. 4 Chapter 1 Evaluate Decide Finally, you put it all back together and make (or recommend) a decision.

They’re basically the only customer group. Acme is trying out reallocating expenses from advertisements to social networking, but so far, the success of the initiative is unknown. We see no limit to potential sales growth among tween girls. Acme’s competitors are extremely dangerous. Interpretation of data Here’s the meat of your analysis. Your conclusion might be different. Sales are slightly up in February compared to September, but kind of flat. Sales are way off their targets. Cutting ad expenses may have hurt Acme’s ability to keep pace with sales targets.

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