图书简介

Chapter 1: Data Defined \\ Climbing the pyramid \\ A brief history of the data world \\ Data file formats \\ Chapter 2: Clues for uncovering data \\ Why agencies collect, analyze, publish data \\ Clues from data entry \\ Clues from reports \\ Tricks to uncover forms and reports \\ On your own \\ Chapter 3: Online databases \\ Destination: data portals \\ Statistical stockpiles \\ Agency sites \\ Non-governmental resources \\ Data search tricks \\ Don’t forget the road map \\ On your own \\ Chapter 4: Identifying and requesting offline data \\ Other clues for offline data \\ Find the data nerd \\ Requesting the data \\ Writing the data request \\ FOIA in action \\ Negotiating through obstacles \\ Getting help \\ On your own \\ Chapter 5: Data dirt is everywhere \\ All data are dirty \\ Detecting dirt in agricultural data \\ Changed rules = changed data \\ On your own \\ Chapter 6: Data integrity checks \\ Big-picture checks \\ Detailed checks \\ On your own \\ Chapter 7: Getting your data in shape \\ Column carving \\ Concatenate to paste \\ Date tricks \\ Power scrubbing with OpenRefine \\ Extracting data from PDFs \\ On your own \\ Chapter 8: Number summaries and comparisons \\ Simple summary statistics \\ Compared to what? \\ Benchmarking \\ On your own \\ Chapter 9: Calculating summary statistics and number comparisons \\ Sum crimes by year \\ Minimum and maximum numbers \\ Amount change \\ Stepping up to percent change \\ Running rates \\ Running ratios \\ Percent of total \\ More summarizing \\ On your own \\ Chapter 10: Spreadsheets as database managers \\ Sorting \\ Filtering records \\ Grouping and summarizing \\ On your own \\ Chapter 11: Visualizing your data \\ Data visualization defined \\ Some best practices \\ Chapter 12: Charting choices \\ Visualizing data with charts \\ On your own \\ Chapter 13: Charting in Excel \\ Pie chart \\ Horizontal bar charts \\ Column and line charts \\ Scatterplot \\ Stock chart \\ Sparklines \\ On your own \\ Chapter 14: Charting with Web tools \\ Online visualization options \\ Evaluating web visualization platforms \\ Creating Fusion Table charts \\ On your own \\ Chapter 15: Taking analysis to the next level \\ Database managers \\ Statistical programs

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