Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from https://spark.apache.org/docs/latest/api/R/reference/over.html below:

over — over • SparkR

Define a windowing column.

over(x, window)

# S4 method for class 'Column,WindowSpec'
over(x, window)

x

a Column, usually one returned by window function(s).

window

a WindowSpec object. Can be created by windowPartitionBy or windowOrderBy and configured by other WindowSpec methods.

if (FALSE) { # \dontrun{
  df <- createDataFrame(mtcars)

  # Partition by am (transmission) and order by hp (horsepower)
  ws <- orderBy(windowPartitionBy("am"), "hp")

  # Rank on hp within each partition
  out <- select(df, over(rank(), ws), df$hp, df$am)

  # Lag mpg values by 1 row on the partition-and-ordered table
  out <- select(df, over(lead(df$mpg), ws), df$mpg, df$hp, df$am)
} # }

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4