---> 1 df.show(5,False) NameError: name 'df' is not defined 我的代码如下: import findspark findspark.init() from functools import reduce import time, datetime, argparse,math,configparser from pyspark import SparkContext, SparkConf from pyspark.sql import SQLContext,SparkSession,Window from p...
对于第二个问题，您必须确保正确安装了Java，并正确设置了JAVA_HOME。
from pyspark.sql.functions import * and then on the following iteration tries running df.groupBy('product_department_desc').agg(F.sum('product_qty').alias('total_qty')).sort(F.desc('total_qty')).show() This fails with the error 'name 'F' is not defined' because the alias is not ...
您需要导入代码中引用的库 添加此行以导入引用的包
字符串 对于第二个问题，您必须确保正确安装了Java，并正确设置了JAVA_HOME。
解决“pyspark name ‘DateType’ is not defined”问题的步骤 1. 问题描述 在使用pyspark进行开发过程中,有时候会遇到"pyspark name ‘DateType’ is not defined"这样的报错信息。这个报错通常是由于没有正确导入相关的pyspark模块或者没有正确使用相关的函数导致的。
from decimal import Decimal from pyspark import SparkContext sc= SparkContext.getOrCreate( ) acTransList = ["SB10001,1000", "SB10002,1200", "SB10003,8000", "SB10004,400", "SB10005,300", "SB10006,10000", "SB10007,500", "SB10008,56", ...
6 Pyspark command not recognised 38 pyspark : NameError: name 'spark' is not defined 0 Apache Spark with Python: error 3 Spark No module named found 4 NameError: name 'SparkSession' is not defined 1 getting error name 'spark' is not defined 1 NameError: name 'spark' is not...
0 Pyspark: global name is not defined 15 Error in Spark while declaring a UDF 3 "cannot import name SparkSession" 6 AttributeError: 'NoneType' object has no attribute 'sc' 0 Undetermined type error in Pyspark 6 'list' object has no attribute 'map' in pyspark 2 AttributeError...
使用 conf = SparkConf().setAppName("Shiyanlou").setMaster("spark://a8c8c33bdc2b:7077") Traceback (most recent call last): File "", line 1, in NameError: name 'SparkConf' is not defined#课程问答 | 关注 全部回复(2) 齐川同学促销装 L206 2017-01-07 19:19 同学你好!可能是相关...