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[SPARK-19133][SPARKR][ML] fix glm for Gamma, clarify glm family supported #16511

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[SPARK-19133][SPARKR][ML] fix glm for Gamma, clarify glm family supported #16511

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3403567
doc family supported
felixcheung Jan 9, 2017
0688aa4
fix Gamma
felixcheung Jan 9, 2017
78d5390
add test
felixcheung Jan 9, 2017
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4 changes: 4 additions & 0 deletions R/pkg/R/mllib_regression.R
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Expand Up @@ -52,6 +52,8 @@ setClass("IsotonicRegressionModel", representation(jobj = "jobj"))
#' This can be a character string naming a family function, a family function or
#' the result of a call to a family function. Refer R family at
#' \url{https://stat.ethz.ch/R-manual/R-devel/library/stats/html/family.html}.
#' Currently these families are supported: \code{binomial}, \code{gaussian},
#' \code{Gamma}, and \code{poisson}.
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@felixcheung felixcheung Jan 9, 2017 •
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in R, Gamma family is capital G

#' @param tol positive convergence tolerance of iterations.
#' @param maxIter integer giving the maximal number of IRLS iterations.
#' @param weightCol the weight column name. If this is not set or \code{NULL}, we treat all instance
Expand Down Expand Up @@ -120,6 +122,8 @@ setMethod("spark.glm", signature(data = "SparkDataFrame", formula = "formula"),
#' This can be a character string naming a family function, a family function or
#' the result of a call to a family function. Refer R family at
#' \url{https://stat.ethz.ch/R-manual/R-devel/library/stats/html/family.html}.
#' Currently these families are supported: \code{binomial}, \code{gaussian},
#' \code{Gamma}, and \code{poisson}.
#' @param weightCol the weight column name. If this is not set or \code{NULL}, we treat all instance
#' weights as 1.0.
#' @param epsilon positive convergence tolerance of iterations.
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2 changes: 1 addition & 1 deletion R/pkg/R/sparkR.R
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Expand Up @@ -423,7 +423,7 @@ sparkR.session <- function(
#' sparkR.session()
#' url <- sparkR.uiWebUrl()
#' }
#' @note sparkR.uiWebUrl since 2.2.0
#' @note sparkR.uiWebUrl since 2.1.1
sparkR.uiWebUrl <- function() {
sc <- sparkR.callJMethod(getSparkContext(), "sc")
u <- callJMethod(sc, "uiWebUrl")
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