CALM

Tutorials for CALM

Extracting Hypotheses from Codes

CALM can take existing coding patterns and decode them to determine the hypotheses being tested.

• extractingRegressionCodes - Examples of extracting from traditional regression codes
• extractingBaseCodes - Examples of extracting from R Base contrast codes

Producing Contrast Codes

CALM can take a set of linear contrasts to be tested and encode them into coding schemes.

• producingCommonCodes - Examples of producing commonly specified contrast codes
• producingCustomCodes - Examples of producing custom contrast codes

Using Contrast Codes

CALM can be used in conjunction with R’s analytical strategies (like the Linear Model) to test hypotheses for real data problems.

• usingCommonCodes - Examples using the package’s built-in contrast codes
• usingCustomCodes - Examples using custom contrast codes

References

Wendorf, C. A. (2004). Primer on multiple regression coding: Common forms and the additional case of repeated contrasts. Understanding Statistics, 3, 47-57.

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