如何解决无法使用 SparkR 对数据进行子集化,使用管道约定执行命令
我正在处理一些如下所示的数据: dataFrame
我正在执行的命令是:
library(magrittr)
#subsetting the data for MAC-OS & sorting by event-timestamp.
macDF <- eventsDF %>%
SparkR::select("device","event_timestamp")
SparkR::filter("device = macOS") %>%
SparkR::arrange("event_timestamp")
display(macDF)
我得到的错误是:
Error in h(simpleError(msg,call)) :
error in evaluating the argument 'x' in selecting a method for function 'arrange': unable to find an inherited method for function ‘filter’ for signature ‘"character","missing"’
Some(<code style = 'font-size:10p'> Error in h(simpleError(msg,call)): error in evaluating the argument 'x' in selecting a method for function 'arrange': unable to find an inherited method for function ‘filter’ for signature ‘"character","missing"’ </code>)
任何帮助将不胜感激,谢谢!
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