There's a whole world of data out there, and it's your job to make sense of it all. Where to begin? Head First Data Analysis helps you collect and organize your data in Excel or OpenOffice, go further with the powerful statistical computing software package R, sort the distractions from the truth, find meaningful patterns with scatterplots and histograms, optimize your solutions, draw conclusions using heuristics, predict the future by experimenting and testing hypotheses, and display findings to others with clear visualizations and reporting.

Whether you're a product developer charged with researching markets for viability of a new product or service, a marketing manager who needs to gauge or predict the effectiveness of a campaign, a salesperson who needs to interpret and present data to clients to convince them to buy the product, or a lone entrepreneur responsible for all of these data-intensive functions and more, Head First Data Analysis is a complete learning experience for wrangling data into the most useful tool in your business.

With Head First Data Analysis, you'll learn how:

  • Determine which data sources to use and collect 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
  • Communicate the results of your analysis to your audience