View source: R/03-df_summaise_tableLevel.R
df_count | R Documentation |
进行表级的计数,可以多列一起进行计数
df_count(data, fieldName = c("mpg", "cyl", "disp"))
data |
数据框 |
fieldName |
字名名 |
返回值
df_count();
df_count(data=mtcars,
fieldName=c('mpg','cyl','disp')
);
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