{"id":1074,"date":"2021-07-20T02:48:20","date_gmt":"2021-07-20T02:48:20","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=1074"},"modified":"2021-09-09T05:50:16","modified_gmt":"2021-09-09T05:50:16","slug":"how-mahout-used-with-python","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/mahout\/how-mahout-used-with-python\/","title":{"rendered":"How Mahout used with Python ?"},"content":{"rendered":"<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"mahout-is-used-with-python\" class=\"color-purple\" style=\"text-align: justify;\">Mahout is used with Python:<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>You should need to download and install the JPype package for python.The initial step is to set up JPype is determining the path to the dynamic library for the jvm ; on linux this will be a .so file and on windows it will be a .dll.<\/li>\n<li>In python script, make a global variable with the path to this dll file.<\/li>\n<li>Then we need to make sense how we have to set the classpath for mahout. The simplest way to do this is to edit script in \u201cbin\/mahout\u201d to print out the classpath. Now include the code line \u201cecho $CLASSPATH\u201d to the script anywhere in the following comment \u201crun it\u201d.<\/li>\n<li>Finally execute the script to print out the classpath. Now copy this output and paste into a variable in your python script.<\/li>\n<li>Presently we can create a function to begin the jvm in python utilizing jype.<\/li>\n<\/ul>\n<div class=\"code-embed-wrapper\"> <div class=\"code-embed-infos\"> <\/div> <pre class=\"language-python code-embed-pre line-numbers\"  data-start=\"1\" data-line-offset=\"0\"><code class=\"language-python code-embed-code\">from jpype import *<br\/>jvm=None<br\/>def start_jpype():<br\/>global jvm<br\/>if (jvm is None):<br\/>cpopt=&quot;-Djava.class.path={cp}&quot;.format(cp=classpath)<br\/>startJVM(jvmlib,&quot;-ea&quot;,cpopt)<br\/>jvm=&quot;started&quot;<\/code><\/pre> <\/div>\n<div class=\"Content\">\n<div class=\"hddn\">\n<ul>\n<li>In the same way while reading or writing call the JPype function:<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"CodeContent\">\n<div class=\"hddn\">\n<figure class=\"highlight\"><div class=\"code-embed-wrapper\"> <div class=\"code-embed-infos\"> <\/div> <pre class=\"language-python code-embed-pre line-numbers\"  data-start=\"1\" data-line-offset=\"0\"><code class=\"language-python code-embed-code\">start_jpype()<\/code><\/pre> <\/div><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer : You should need to download and instal&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7524],"tags":[195,7547,7542,7536,7549,7551,291,7550,7545,7544,7546,7548],"class_list":["post-1074","post","type-post","status-publish","format-standard","hentry","category-mahout","tag-accenture-interview-questions-and-answers","tag-apache-mahout","tag-apache-mahout-interview-questions-and-answers","tag-apache-mahout-interview-questions-and-answers-for-freshers","tag-apache-mahout-vs-spark-mllib","tag-apache-spark-interview-questions-and-answers-for-experienced","tag-datamatics-global-services-ltd-interview-questions-and-answers","tag-mahout-interview-question-and-answers","tag-mahout-python-api","tag-mahout-vs-python","tag-python-recommender-system","tag-spark-machine-learning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Mahout used with Python ? 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