| show {SparkR} | R Documentation |
Print class and type information of a Spark object.
## S4 method for signature 'Column' show(object) ## S4 method for signature 'GroupedData' show(object) ## S4 method for signature 'SparkDataFrame' show(object) ## S4 method for signature 'WindowSpec' show(object)
object |
a Spark object. Can be a SparkDataFrame, Column, GroupedData, WindowSpec. |
show(Column) since 1.4.0
show(GroupedData) since 1.4.0
show(SparkDataFrame) since 1.4.0
show(WindowSpec) since 2.0.0
Other SparkDataFrame functions: SparkDataFrame-class,
agg, arrange,
as.data.frame, attach,
cache, coalesce,
collect, colnames,
coltypes,
createOrReplaceTempView,
crossJoin, dapplyCollect,
dapply, describe,
dim, distinct,
dropDuplicates, dropna,
drop, dtypes,
except, explain,
filter, first,
gapplyCollect, gapply,
getNumPartitions, group_by,
head, histogram,
insertInto, intersect,
isLocal, join,
limit, merge,
mutate, ncol,
nrow, persist,
printSchema, randomSplit,
rbind, registerTempTable,
rename, repartition,
sample, saveAsTable,
schema, selectExpr,
select, showDF,
storageLevel, str,
subset, take,
union, unpersist,
withColumn, with,
write.df, write.jdbc,
write.json, write.orc,
write.parquet, write.text
## Not run:
##D sparkR.session()
##D path <- "path/to/file.json"
##D df <- read.json(path)
##D show(df)
## End(Not run)