{"id":2081,"date":"2021-08-15T22:13:14","date_gmt":"2021-08-16T02:13:14","guid":{"rendered":"https:\/\/shirishranjit.com\/blog1\/?page_id=2081"},"modified":"2021-08-29T08:37:06","modified_gmt":"2021-08-29T12:37:06","slug":"r-cheatsheet","status":"publish","type":"page","link":"https:\/\/shirishranjit.com\/blog1\/big-data\/r-cheatsheet","title":{"rendered":"R CheatSheet"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>How to sum by column:<\/p>\n\n\n\n<p>Use &#8220;sum&#8221; to sum by column. Example: sum(datafame$column, na.rm=true)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Subsetting <\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>small &lt;- subset(original, select=c(weight, Time), subset=(Diet==4 &amp;&amp; Time &gt; 20))<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">References<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Sum <\/li><li>Pivot Table:  <a href=\"https:\/\/cran.r-project.org\/web\/packages\/pivottabler\/vignettes\/v00-vignettes.html\">https:\/\/cran.r-project.org\/web\/packages\/pivottabler\/vignettes\/v00-vignettes.html<\/a><\/li><li>Unique value: <a href=\"https:\/\/stat.ethz.ch\/R-manual\/R-devel\/library\/base\/html\/unique.html\">https:\/\/stat.ethz.ch\/R-manual\/R-devel\/library\/base\/html\/unique.html<\/a><\/li><li>Data analysis functions: <a href=\"https:\/\/cran.r-project.org\/web\/packages\/Hmisc\/Hmisc.pdf\">https:\/\/cran.r-project.org\/web\/packages\/Hmisc\/Hmisc.pdf<\/a><\/li><li>Summarytools: <a href=\"https:\/\/cran.r-project.org\/web\/packages\/summarytools\/summarytools.pdf\">https:\/\/cran.r-project.org\/web\/packages\/summarytools\/summarytools.pdf<\/a><\/li><\/ul>\n<div class=\"twttr_buttons\"><div class=\"twttr_twitter\">\n\t\t\t\t\t<a href=\"http:\/\/twitter.com\/share?text=R+CheatSheet\" class=\"twitter-share-button\" data-via=\"\" data-hashtags=\"\"  data-size=\"default\" data-url=\"https:\/\/shirishranjit.com\/blog1\/big-data\/r-cheatsheet\"  data-related=\"\" target=\"_blank\">Tweet<\/a>\n\t\t\t\t<\/div><div class=\"twttr_followme\">\n\t\t\t\t\t\t<a href=\"https:\/\/twitter.com\/shiranjit\" class=\"twitter-follow-button\" data-size=\"default\"  data-show-screen-name=\"false\"  target=\"_blank\">Follow me<\/a>\n\t\t\t\t\t<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>How to sum by column: Use &#8220;sum&#8221; to sum by column. Example: sum(datafame$column, na.rm=true) Subsetting References Sum Pivot Table: https:\/\/cran.r-project.org\/web\/packages\/pivottabler\/vignettes\/v00-vignettes.html Unique value: https:\/\/stat.ethz.ch\/R-manual\/R-devel\/library\/base\/html\/unique.html Data analysis functions: https:\/\/cran.r-project.org\/web\/packages\/Hmisc\/Hmisc.pdf Summarytools: https:\/\/cran.r-project.org\/web\/packages\/summarytools\/summarytools.pdf<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":396,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2081","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/shirishranjit.com\/blog1\/wp-json\/wp\/v2\/pages\/2081"}],"collection":[{"href":"https:\/\/shirishranjit.com\/blog1\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/shirishranjit.com\/blog1\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/shirishranjit.com\/blog1\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/shirishranjit.com\/blog1\/wp-json\/wp\/v2\/comments?post=2081"}],"version-history":[{"count":6,"href":"https:\/\/shirishranjit.com\/blog1\/wp-json\/wp\/v2\/pages\/2081\/revisions"}],"predecessor-version":[{"id":2090,"href":"https:\/\/shirishranjit.com\/blog1\/wp-json\/wp\/v2\/pages\/2081\/revisions\/2090"}],"up":[{"embeddable":true,"href":"https:\/\/shirishranjit.com\/blog1\/wp-json\/wp\/v2\/pages\/396"}],"wp:attachment":[{"href":"https:\/\/shirishranjit.com\/blog1\/wp-json\/wp\/v2\/media?parent=2081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}