NameError: name 'spark' is not defined 这个错误表明在你的代码中尝试使用了一个名为 spark 的对象,但是在当前的作用域内没有找到这个对象的定义。以下是根据你的提示,对这个问题进行的分析和解决建议: 确认'spark'对象的来源: spark 通常指的是 Apache Spark 的会话对象,用于执行分布式计算任务。如果你在使用...
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", "SB10009,30","SB10010,7000", "CR10001,7000...
Yes it’s using the pyspark kernel. How would I modify the notebook to load spark so that it also worked from the command line ? … Member takluyver commented Mar 19, 2018 I don't know. If pyspark is a separate kernel, you should be able to run that with nbconvert as well. Try...
在pyspark中,日期类型是通过DateType来表示的。如果报错提示"pyspark name ‘DateType’ is not defined",则说明没有正确导入pyspark.sql.types模块。需要使用以下代码导入: frompyspark.sql.typesimportDateType 1. 步骤4:检查并修正代码中可能存在的问题 如果按照以上步骤进行了操作,但仍然出现报错提示"pyspark name ...
import osimport sys # Path for spark source folder #os.environ['SPARK_HOME']="/opt/cloudera/parcels/CDH/lib/spark" # Append pyspark to Python Path #sys.path.append("/opt/cloudera/parcels/CDH-5.4.5-1.cdh5.4.5.p0.7/lib/spark/python/")help('modules') try: from pyspark import SparkCon...
总结 lambda函数 是 def函数 的 精简版 。 使用 def函数 def f(x): return x % 2 != 0 list ...
NameError:name'picamera' is notdefined 使用camera的时候发现少了库。 python 参考文档 Python 转载 mob604756fb13b1 2017-10-22 11:05:00 545阅读 2 NameError:name‘time‘ is notdefined 引入Import time这个包即可 import unittestimport timeclass TestDemo(unittest.TestCase): @classmethod def setUp(self...
I am trying to run a Spark Dataframe agent to query tabular data. With certain operations the agent decides it needs to import the pyspark.sql.functions package. The agent runs the following code from pyspark.sql.functions import * and then on the following iteration tries running df.groupBy(...
NameError: name 'CreateSparkContext' is not defined 可能是由于对齐问题,主程序使用空格,而函数定义使用了Tab,两个看起来一样,实际上不一样。 参考: 代码语言:html 复制 https://blog.csdn.net/ywsydwsbn/article/details/105601833 原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。 如有侵权...
pyspark设置存储等级时 intRddMemoryAndDisk.persist(StorageLevel.MEMORY_AND_DISK) 报错:name 'StorageLevel' is not...defined,需要导入StorageLevel包 from pyspark import StorageLe...