Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/18128#discussion_r119995950
--- Diff: R/pkg/R/mllib_classification.R ---
@@ -239,21 +253,64 @@ function(object, path, overwrite = FALSE) {
setMethod("spark.logit", signature(data = "SparkDataFrame", formula =
"formula"),
function(data, formula, regParam = 0.0, elasticNetParam = 0.0,
maxIter = 100,
tol = 1E-6, family = "auto", standardization = TRUE,
- thresholds = 0.5, weightCol = NULL, aggregationDepth =
2) {
+ thresholds = 0.5, weightCol = NULL, aggregationDepth =
2,
+ lowerBoundsOnCoefficients = NULL,
upperBoundsOnCoefficients = NULL,
+ lowerBoundsOnIntercepts = NULL, upperBoundsOnIntercepts
= NULL) {
formula <- paste(deparse(formula), collapse = "")
+ row <- 0
+ col <- 0
if (!is.null(weightCol) && weightCol == "") {
weightCol <- NULL
} else if (!is.null(weightCol)) {
weightCol <- as.character(weightCol)
}
+ if (!is.null(lowerBoundsOnIntercepts)) {
+ lowerBoundsOnIntercepts <-
as.array(lowerBoundsOnIntercepts)
+ }
+
+ if (!is.null(upperBoundsOnIntercepts)) {
+ upperBoundsOnIntercepts <-
as.array(upperBoundsOnIntercepts)
+ }
+
+ if (!is.null(lowerBoundsOnCoefficients)) {
+ if (class(lowerBoundsOnCoefficients) != "matrix") {
+ stop("lowerBoundsOnCoefficients must be a matrix.")
+ }
+ row <- nrow(lowerBoundsOnCoefficients)
+ col <- ncol(lowerBoundsOnCoefficients)
+ lowerBoundsOnCoefficients <-
as.array(as.vector(lowerBoundsOnCoefficients))
+ }
+
+ if (!is.null(upperBoundsOnCoefficients)) {
+ if (class(upperBoundsOnCoefficients) != "matrix") {
+ stop("upperBoundsOnCoefficients must be a matrix.")
+ }
+
+ if (!is.null(lowerBoundsOnCoefficients) & (row !=
nrow(upperBoundsOnCoefficients)
+ | col != ncol(upperBoundsOnCoefficients))) {
+ stop(paste("dimension of upperBoundsOnCoefficients ",
+ "is not the same as lowerBoundsOnCoefficients",
sep = ""))
+ }
+
+ if (is.null(lowerBoundsOnCoefficients)) {
+ row <- nrow(upperBoundsOnCoefficients)
+ col <- ncol(upperBoundsOnCoefficients)
+ }
--- End diff --
ok thanks, L290-291
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