Today, interpreting data is a critical decision-making factor for businesses and organizations. If your job requires you to manage and analyze all kinds of data, turn to "Head First Data Analysis", where you'll quickly learn how to collect and organize data, sort the distractions from the truth, find meaningful patterns, draw conclusions, predict the future, and present your findings to others. Whether you're a product developer researching the market viability of a new product or service, a marketing manager gauging or predicting the effectiveness of a campaign, a salesperson who needs data to support product presentations, or a lone entrepreneur responsible for all of these data-intensive functions and more, the unique approach in "Head First Data Analysis" is by far the most efficient way to learn what you need to know to convert raw data into a vital business tool. You'll learn how to: determine which data sources to use for collecting information; assess data quality and distinguish signal from noise; build basic data models to illuminate patterns, and assimilate new information into the models; cope with ambiguous information; design experiments to test hypotheses and draw conclusions; use segmentation to organize your data within discrete market groups; visualize data distributions to reveal new relationships and persuade others; predict the future with sampling and probability models; clean your data to make it useful; and, communicate the results of your analysis to your audience. Using the latest research in cognitive science and learning theory to craft a multi-sensory learning experience, "Head First Data Analysis" uses a visually rich format designed for the way your brain works, not a text-heavy approach that puts you to sleep.

Do you use Excel for simple lists, but get lost when it comes to actually doing something useful with all that data, like functions? Revolutionize the way your use the information in your life! "Head First Excel" helps you move from a spreadsheet dabbler into a savvy user in just a short time. Whether you're completely new to Excel, or an experienced user looking to make the program work better for you, this book will help you incorporate Excel into every aspect of your workflow, from a scratch pad for data-based brainstorming, to exploratory analysis with PivotTables, optimizing outcomes with Goal Seek, and presenting your conclusions with sophisticated data visualizations. Organize and present information clearly in a spreadsheet. Make calculations across a number of worksheets. Change your point of view with sorting, zooming, and filtering. Manipulate numerical and data to extract and use the data you need. Leverage Excel as a grid-based layout program. Get the most out of writing the right formulas for the right functionality. Nest formulas for more complex operations. Create sophisticated data visualizations with charts and graphs. Use Goal Seek to optimize possible outcomes based on different assumptions. Create summaries from large data sets for exploratory data analysis with PivotTables. We think your time is too valuable to waste struggling with new concepts. Using the latest research in cognitive science and learning theory to craft a multi-sensory learning experience, "Head First Excel" uses a visually rich format designed for the way your brain works, rather than a text-heavy approach that will put you to sleep.

This Is A New Release Of The Original 1912 Edition.