Objective:Read text files that contain a mixture of data types, delimiters, and headers.

• 导入一个小姐xture of data types from arbitrarily formatted text files
• Import only required columns of data from a text file
• Import and merge data from multiple files

Objective:Process raw imported data by extracting, manipulating, aggregating, and counting portions of data.

• Process data with missing elements
• Create and modify categorical arrays
• Aggregate, bin, and count groups of data

Objective:Annotate and modify standard plots to produce informative customized graphics.

• Determine properties of graphics objects and their associated values
• Locate and manipulate graphics objects
• Customize plots by modifying properties of graphics objects

Objective:Import and visualize scattered data from text files with irregular formatting.

• Parse text files to determine formatting
• Import data from separate sections of a text file
• Extract data from container variables
• Interpolate irregularly spaced three-dimensional data
• Visualize three-dimensional data in two and three dimensions