English, Article edition: FACTREF: Stata module to insert new observations with reference values for factors Roger Newson

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Bookmark: http://trove.nla.gov.au/version/102748
Physical Description
  • code
Language
  • English

Edition details

Title
  • FACTREF: Stata module to insert new observations with reference values for factors
Author
  • Roger Newson
Physical Description
  • code
Notes
  • factref is used with factext, descsave, parmby and parmest (q.v.). It takes, as input, a data set created by parmby or parmest, in which categorical variables (factors) have been created by descsave and factext. These factors are variables (numeric or string) representing categorical variables in the fitted model, represented by dummy variables such as those created by xi. factref adds to that data set a set of additional observations with reference values for these factors, copied from the omit characteristic for each factor. For each factor, factref creates one reference observation if there are non-missing values for the factor and there is no by-variable list, or one reference observation for each by-group where there are non-missing values of the factor if there is a by-variable list. After the reference observations have been added, the user may create a plot or table of confidence intervals for factor effects.
  • data manipulation
  • RePEc:boc:bocode:s419603
Language
  • English
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