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# 从mysql读数据 import pymysqlimport pandas as pddb = pymysql.connect(host="127.0.0.1", port=3306, user="root", passwd="密码", database='数据库名', charset='utf 阅读全文
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代码： from pyspark import SparkConf, SparkContextconf = SparkConf().setAppName("wordcount").setMaster("local[2]")sc = SparkContext(conf=conf)sc.setLogLe 阅读全文
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代码：import numpy as npimport pandas as pd# numpy方式data = np.loadtxt('1.txt', delimiter=',') # 读取数据文件X = data[:, 0]Y = data[:, 1]corr = np.corrcoef(X, Y 阅读全文
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import org.apache.log4j.{Level, Logger}import org.apache.spark.sql.SparkSessionobject SparkSql { def main(args: Array[String]): Unit ={ Logger.getLogg 阅读全文
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代码： import org.apache.log4j.{Level, Logger}import org.apache.spark.{SparkConf, SparkContext}object WorldCount { def main(args: Array[String]): Unit ={ 阅读全文
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<dependencies> <dependency> <groupId>org.scala-lang</groupId> <artifactId>scala-library</artifactId> <version>2.11.8</version> </dependency> <dependen 阅读全文
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object HelloWorld { def main(args: Array[String]): Unit ={ print("HelloWorld") }} 阅读全文