| 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) ## S4 method for signature 'StreamingQuery' 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
show(StreamingQuery) since 2.2.0
Other SparkDataFrame functions: SparkDataFrame-class,
agg, arrange,
as.data.frame,
attach,SparkDataFrame-method,
cache, checkpoint,
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, hint,
histogram, insertInto,
intersect, isLocal,
isStreaming, join,
limit, merge,
mutate, ncol,
nrow, persist,
printSchema, randomSplit,
rbind, registerTempTable,
rename, repartition,
sample, saveAsTable,
schema, selectExpr,
select, showDF,
storageLevel, str,
subset, take,
toJSON, union,
unpersist, withColumn,
with, write.df,
write.jdbc, write.json,
write.orc, write.parquet,
write.stream, write.text
## Not run:
##D sparkR.session()
##D path <- "path/to/file.json"
##D df <- read.json(path)
##D show(df)
## End(Not run)