WebThe time stamp column doesn't exist yet when you try to refer to it; You can either use pyspark.sql.functions.col to refer to it in a dynamic way without specifying which data frame object the column belongs to as:. import pyspark.sql.functions as F df = df.withColumn("unix_timestamp", … WebMar 11, 2024 · To access string methods on a series, you need to do so via the .str attribute of Series: df1.col1.str.isdigit () See Series.str.isdigit () for the documentation. You can use that as a boolean index and directly assign to the selected rows: df1.col1 [df1.col1.str.isdigit ()] = '' See Working with Text Data. dexter\u0027s twyce on sunday\u0027s

WebMar 14, 2024 · 这是一个关于 Python 编程语言的问题，'set' object has no attribute 'fillna' 表示在 set 对象中没有 fillna 方法。这可能是因为 fillna 方法只适用于 pandas 数据框架中的 Series 或 DataFrame 对象。如果您想使用 fillna 方法，请确保您正在使用正确的对象类型。 WebFeb 1, 2024 · 1. You should call the function like this: is_empty (l) and not l.is_empty () – user2314737. Feb 1, 2024 at 8:34. 1. by the way, I don't think List has an _values attribute - and even if it does, that is most likely an implementation detail that you shouldn't rely on. – … churchtown shops