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prediction 0.3.18

  • under new maintainership
  • various cosmetic/CRAN check updates

prediction 0.3.15

  • build_datalist() now works correctly with data.table datasets. (#34, #35, h/t Dan Schrage)
  • build_datalist() dropped factor levels when replacing a factor variable. (#39, h/t Tomasz Żółtak)
  • find_data() now respects subset and na.actions arguments for svyglm() models. (#37, h/t Tomasz Żółtak)

prediction 0.3.13

  • Fixed a bug in prediction_glm with the data argument (Issue #32).

prediction 0.3.12

  • Remove mnlogit dependency, as it has been removed from CRAN.

prediction 0.3.11

  • Remove bigFastLm dependency, as it has been removed from CRAN.

prediction 0.3.10

  • Added tests for find_data() and prediction.lm() to check for correct behavior in the presence of missing data (na.action) and subset arguments. (#28)

prediction 0.3.8

  • Provisional support for variances of average predictions for GLMs. (#17)
  • Added an example dataset, margex, borrowed from Stata's identically named data.

prediction 0.3.7

  • summary(prediction(...)) now reports variances of average predictions, along with test statistics, p-values, and confidence intervals, where supported. (#17)
  • Added a function prediction_summary() which simply calls summary(prediction(...)).
  • All methods now return additional attributes.

prediction 0.3.6

  • Small fixes for failing CRAN checks. (#25)
  • Remove prediction.bigglm() method (from biglm) due to failing tests. (#25)

prediction 0.3.5

  • Fixed a bug that required specifying stats::poly() rather than just poly() in model formulae. (#22)

prediction 0.3.4

  • Added prediction.glmnet() method for "glmnet" objects from glmnet. (#1)

prediction 0.3.3

  • prediction.merMod() gains an re.form argument to pass forward to predict.merMod().

prediction 0.3.2

  • Fix typo in "speedglm" that was overwriting "glm" method.

prediction 0.3.0

  • CRAN release.

prediction 0.2.11

  • Added prediction.glmML() method for "glimML" objects from aod. (#1)
  • Added prediction.glmQL() method for "glimQL" objects from aod. (#1)
  • Added prediction.truncreg() method for "truncreg" objects from truncreg. (#1)
  • Noted implicit support for "tobit" objects from AER. (#1)

prediction 0.2.10

  • Added prediction.bruto() method for "bruto" objects from mda. (#1)
  • Added prediction.fda() method for "fda" objects from mda. (#1)
  • Added prediction.mars() method for "mars" objects from mda. (#1)
  • Added prediction.mda() method for "mda" objects from mda. (#1)
  • Added prediction.polyreg() method for "polyreg" objects from mda. (#1)

prediction 0.2.9

  • Added prediction.speedglm() and prediction.speedlm() methods for "speedglm" and "speedlm" objects from speedglm. (#1)
  • Added prediction.bigLm() method for "bigLm" objects from bigFastlm. (#1)
  • Added prediction.biglm() and prediction.bigglm() methods for "biglm" and "bigglm" objects from biglm, including those based by "ffdf" from ff. (#1)

prediction 0.2.8

  • Changed internal behavior of build_datalist(). The function now returns an an at_specification attribute, which is a data frame representation of the at argument.

prediction 0.2.6

  • Due to a change in gam_1.15, prediction.gam() is now prediction.Gam() for "Gam" objects from gam. (#1)

prediction 0.2.6

  • Added prediction.train() method for "train" objects from caret. (#1)

prediction 0.2.5

  • The at argument in build_datalist() now accepts a data frame of combinations for limiting the set of levels.

prediction 0.2.3

  • Most prediction() methods gain a (experimental) calculate_se argument, which regulates whether to calculate standard errors for predictions. Setting to FALSE can improve performance if they are not needed.

prediction 0.2.3

  • build_datalist() gains an as.data.frame argument, which - if TRUE - returns a stacked data frame rather than a list. This argument is now used internally in most prediction() functions in an effort to improve performance. (#18)

prediction 0.2.2

  • Expanded test suite scope and fixed a few small bugs.
  • Added a summary.prediction() method to interact with the average predicted values that are printed when at != NULL.

prediction 0.2.1

  • Added prediction.knnreg() method for "knnreg" objects from caret. (#1)
  • Added prediction.gausspr() method for "gausspr" objects from kernlab. (#1)
  • Added prediction.ksvm() method for "ksvm" objects from kernlab. (#1)
  • Added prediction.kqr() method for "kqr" objects from kernlab. (#1)
  • Added prediction.earth() method for "earth" objects from earth. (#1)
  • Added prediction.rpart() method for "rpart" objects from rpart. (#1)

prediction 0.2.0

  • CRAN Release.
  • Added mean_or_mode.data.frame() and median_or_mode.data.frame() methods.

prediction 0.1.17

  • Added prediction.zeroinfl() method for "zeroinfl" objects from pscl. (#1)
  • Added prediction.hurdle() method for "hurdle" objects from pscl. (#1)
  • Added prediction.lme() method for "lme" and "nlme" objects from nlme. (#1)
  • Documented prediction.merMod().

prediction 0.1.16

  • Added prediction.plm() method for "plm" objects from plm. (#1)

prediction 0.1.15

  • Expanded test suite considerably and updated CONTRIBUTING.md to reflect expected test-driven development.
  • A few small code tweaks and bug fixes resulting from the updated test suite.

prediction 0.1.14

  • Added prediction.mnp() method for "mnp" objects from MNP. (#1)
  • Added prediction.mnlogit() method for "mnlogit" objects from mnlogit. (#1)
  • Added prediction.gee() method for "gee" objects from gee. (#1)
  • Added prediction.lqs() method for "lqs" objects from MASS. (#1)
  • Added prediction.mca() method for "mca" objects from MASS. (#1)
  • Noted (built-in) support for "brglm" objects from brglm via the prediction.glm() method. (#1)

prediction 0.1.13

  • Added a category argument to prediction() methods for models of multilevel outcomes (e.g., ordered probit, etc.) to be dictate which level is expressed as the "fitted" column. (#14)
  • Added an at argument to prediction() methods. (#13)
  • Made mean_or_mode() and median_or_mode() S3 generics.
  • Fixed a bug in mean_or_mode() and median_or_mode() where incorrect factor levels were being returned.

prediction 0.1.12

  • Added prediction.princomp() method for "princomp" objects from stats. (#1)
  • Added prediction.ppr() method for "ppr" objects from stats. (#1)
  • Added prediction.naiveBayes() method for "naiveBayes" objects from e1071. (#1)
  • Added prediction.rlm() method for "rlm" objects from MASS. (#1)
  • Added prediction.qda() method for "qda" objects from MASS. (#1)
  • Added prediction.lda() method for "lda" objects from MASS. (#1)
  • find_data() now respects the subset argument in an original model call. (#15)
  • find_data() now respects the na.action argument in an original model call. (#15)
  • find_data() now gracefully fails when a model is specified without a formula. (#16)
  • prediction() methods no longer add a "fit" or "se.fit" class to any columns. Fitted values are identifiable by the column name only.

prediction 0.1.11

  • build_datalist() now returns at value combinations as a list.

prediction 0.1.10

  • Added prediction.nnet() method for "nnet" and "multinom" objects from nnet. (#1)

prediction 0.1.9

  • prediction() methods now return the value of data as part of the response data frame. (#8, h/t Ben Whalley)
  • Slight change to find_data() methods for "crch" and "hxlr". (#5)
  • Added prediction.glmx() and prediction.hetglm() methods for "glmx" and "hetglm" objects from glmx. (#1)
  • Added prediction.betareg() method for "betareg" objects from betareg. (#1)
  • Added prediction.rq() method for "rq" objects from quantreg. (#1)
  • Added prediction.gam() method for "gam" objects from gam. (#1)
  • Expanded basic test suite.

prediction 0.1.8

  • Added prediction() and find_data() methods for "crch" "hxlr" objects from crch. (#4, h/t Carl Ganz)

prediction 0.1.7

  • Added prediction() and find_data() methods for "merMod" objects from lme4. (#1)

prediction 0.1.6

  • Moved the seq_range() function from margins to prediction.
  • Moved the build_datalist() function from margins to prediction. This will simplify the ability to calculate arbitrary predictions.

prediction 0.1.5

  • Added prediction.svm() method for objects of class "svm" from e1071. (#1)
  • Fixed a bug in prediction.polr() when attempting to pass a type argument, which is always ignored. A warning is now issued when attempting to override this.

prediction 0.1.4

  • Added mean_or_mode() and median_or_mode() functions, which provide a simple way to aggregate a variable of factor or numeric type. (#3)
  • Added prediction() methods for various time-series model classes: "ar", "arima0", and "Arima".

prediction 0.1.3

  • find_data() is now a generic, methods for "lm", "glm", and "svyglm" classes. (#2, h/t Carl Ganz)

prediction 0.1.2

  • Added support for "svyglm" class from the survey package. (#1)
  • Added tentative support for "clm" class from the ordinal package. (#1)

prediction 0.1.0

  • Initial package released.