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| author | Junyang Qian <junyangq@databricks.com> | 2016-08-29 10:23:10 -0700 |
|---|---|---|
| committer | Xiangrui Meng <meng@databricks.com> | 2016-08-29 10:23:10 -0700 |
| commit | 6a0fda2c0590b455e8713da79cd5f2413e5d0f28 (patch) | |
| tree | fc2a2f70686614f574b7567a0f4428b5031843b4 | |
| parent | 08913ce0002a80a989489a31b7353f5ec4a5849f (diff) | |
| download | spark-6a0fda2c0590b455e8713da79cd5f2413e5d0f28.tar.gz spark-6a0fda2c0590b455e8713da79cd5f2413e5d0f28.tar.bz2 spark-6a0fda2c0590b455e8713da79cd5f2413e5d0f28.zip | |
[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 <junyangq@databricks.com>
Closes #14853 from junyangq/SPARKR-FixLDADoc.
| -rw-r--r-- | R/pkg/R/mllib.R | 10 |
1 files changed, 7 insertions, 3 deletions
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" |