{"id":310,"date":"2025-01-17T10:43:04","date_gmt":"2025-01-17T15:43:04","guid":{"rendered":"https:\/\/supplychainai.ai\/?p=310"},"modified":"2025-01-17T10:43:04","modified_gmt":"2025-01-17T15:43:04","slug":"r-studio","status":"publish","type":"post","link":"https:\/\/supplychainai.ai\/?p=310","title":{"rendered":"R Studio"},"content":{"rendered":"<p><strong>Introduction<\/strong><\/p>\n<p>Below is something I think is basic but important to conduct data analysis on R studio. Besides, I would strongly recommend purchasing\u00a0<em>R in action, data analysis and graphics with R\u00a0<\/em>for learning. This book is the bibble in R language and helps me a lot.<\/p>\n<p><strong>Import Data from xlsx files<\/strong><\/p>\n<p>library():rJava,xlsx<\/p>\n<p>library():openxlsx: to avoid Java memory overflow<\/p>\n<p>book &lt;-\u201cfile\u201d (direct read)<\/p>\n<p>book&lt;-read.xlsx(file,sheet) (import into dataframe)<\/p>\n<p><strong>Data Type Change<\/strong><\/p>\n<ul>\n<li>as.factor()<\/li>\n<\/ul>\n<p><strong>Explorary Data Analysis<\/strong><\/p>\n<ul>\n<li>summary()<\/li>\n<\/ul>\n<p><strong>Data Visualization<\/strong><\/p>\n<p>library(ggplot2)<\/p>\n<ul>\n<li>plot()<\/li>\n<li>hist()<\/li>\n<\/ul>\n<p><strong>Modeling<\/strong><\/p>\n<ul>\n<li>lm()<\/li>\n<li>glm()<\/li>\n<\/ul>\n<p><strong>Model Improvement<\/strong><\/p>\n<ul>\n<li>AIC or BIC<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>(TBC)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Below is something I think is basic but important to conduct data analysis on R studio. Besides, I would strongly recommend purchasing\u00a0R in action, data analysis and graphics with R\u00a0for learning. This book is the bibble in R language and helps me a lot.<\/p>\n","protected":false},"author":1,"featured_media":311,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-ml"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R Studio - Supply Chain AI.AI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/supplychainai.ai\/?p=310\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R Studio - Supply Chain AI.AI\" \/>\n<meta property=\"og:description\" content=\"Below is something I think is basic but important to conduct data analysis on R studio. 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