Exercises by topic

Binary file formats

• Storage Format Options for the Indian Mothers Data Set
  The original storage format

Database design

• Designing a Database for the Cod Stomach Data Set
  Designing a database

Exporting data from R

• Manipulating the Crohn's Disease Data Set with R
  Writing the new file

Formatting output in R

• Manipulating the Crohn's Disease Data Set with R
  Pasting rows together
• Manipulating the Network Packets Data Set with R
  Displaying significant digits

Importing data into R

• Manipulating the Crohn's Disease Data Set with R
  Reading the data into R
• Manipulating the Indian Mothers Data Set with R
  Reading the data into R
• Manipulating the Network Packets Data Set with R
  Reading the data into R

Numerical precision

• Manipulating the Network Packets Data Set with R
  Numerical precision

Plain text file formats

• Storage Format Options for the Indian Mothers Data Set
  The storage format provided

Reshaping data in R

• Manipulating the Indian Mothers Data Set with R
  Reshaping the data

Subsetting data in R

• Manipulating the Crohn's Disease Data Set with R
  Extracting individual IDs
• Manipulating the Crohn's Disease Data Set with R
  Extracting individual alleles
• Manipulating the Crohn's Disease Data Set with R
  Combining lines of output

Table of counts in R

• Manipulating the Indian Mothers Data Set with R
  Tables of counts

Text processing in R

• Manipulating the Crohn's Disease Data Set with R
  Replacing zeroes with question marks

Transforming data in R

• Manipulating the Indian Mothers Data Set with R
  Recoding the gender variable