From 6a0fda2c0590b455e8713da79cd5f2413e5d0f28 Mon Sep 17 00:00:00 2001 From: Junyang Qian Date: Mon, 29 Aug 2016 10:23:10 -0700 Subject: [SPARKR][MINOR] Fix LDA doc ## What changes were proposed in this pull request? This PR tries to fix the name of the `SparkDataFrame` used in the example. Also, it gives a reference url of an example data file so that users can play with. ## How was this patch tested? Manual test. Author: Junyang Qian Closes #14853 from junyangq/SPARKR-FixLDADoc. --- R/pkg/R/mllib.R | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'R') diff --git a/R/pkg/R/mllib.R b/R/pkg/R/mllib.R index 6808aaea8c..64d19fab7e 100644 --- a/R/pkg/R/mllib.R +++ b/R/pkg/R/mllib.R @@ -994,18 +994,22 @@ setMethod("spark.survreg", signature(data = "SparkDataFrame", formula = "formula #' @export #' @examples #' \dontrun{ -#' text <- read.df("path/to/data", source = "libsvm") +#' # nolint start +#' # An example "path/to/file" can be +#' # paste0(Sys.getenv("SPARK_HOME"), "/data/mllib/sample_lda_libsvm_data.txt") +#' # nolint end +#' text <- read.df("path/to/file", source = "libsvm") #' model <- spark.lda(data = text, optimizer = "em") #' #' # get a summary of the model #' summary(model) #' #' # compute posterior probabilities -#' posterior <- spark.posterior(model, df) +#' posterior <- spark.posterior(model, text) #' showDF(posterior) #' #' # compute perplexity -#' perplexity <- spark.perplexity(model, df) +#' perplexity <- spark.perplexity(model, text) #' #' # save and load the model #' path <- "path/to/model" -- cgit v1.2.3