{"id":11508,"date":"2026-01-10T15:27:34","date_gmt":"2026-01-10T07:27:34","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/vn\/create-a-histogram\/"},"modified":"2026-01-10T15:27:34","modified_gmt":"2026-01-10T07:27:34","slug":"create-a-histogram","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/vn\/create-a-histogram\/","title":{"rendered":"T\u1ea1o bi\u1ec3u \u0111\u1ed3_histogram"},"content":{"rendered":"<p>Bi\u1ec3u \u0111\u1ed3_histogram l\u00e0 m\u1ed9t bi\u1ec3u di\u1ec5n g\u1ea7n \u0111\u00fang v\u1ec1 ph\u00e2n b\u1ed1 c\u1ee7a d\u1eef li\u1ec7u s\u1ed1. \u0110\u1ec3 x\u00e2y d\u1ef1ng bi\u1ec3u \u0111\u1ed3_histogram, b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 &#8220;chia kho\u1ea3ng&#8221; (ho\u1eb7c &#8220;ph\u00e2n nh\u00f3m&#8221;) ph\u1ea1m vi gi\u00e1 tr\u1ecb\u2014t\u1ee9c l\u00e0 chia to\u00e0n b\u1ed9 ph\u1ea1m vi gi\u00e1 tr\u1ecb th\u00e0nh m\u1ed9t lo\u1ea1t kho\u1ea3ng c\u00e1ch\u2014r\u1ed3i \u0111\u1ebfm xem c\u00f3 bao nhi\u00eau gi\u00e1 tr\u1ecb r\u01a1i v\u00e0o m\u1ed7i kho\u1ea3ng. Video n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch t\u1ea1o bi\u1ec3u \u0111\u1ed3_histogram trong Visual Paradigm Online.<\/p>\n<div class=\"epyt-video-wrapper\"><iframe allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" class=\"__youtube_prefs__ epyt-is-override no-lazyload\" data-no-lazy=\"1\" data-origheight=\"480\" data-origwidth=\"854\" data-skipgform_ajax_framebjll=\"\" height=\"480\" id=\"_ytid_77480\" loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/o54-u_G3oBY?enablejsapi=1&amp;autoplay=0&amp;cc_load_policy=0&amp;cc_lang_pref=&amp;iv_load_policy=1&amp;loop=0&amp;modestbranding=0&amp;rel=1&amp;fs=1&amp;playsinline=0&amp;autohide=2&amp;theme=dark&amp;color=red&amp;controls=1&amp;\" title=\"YouTube player\" width=\"854\"><\/iframe><\/div>\n<h3>Bi\u1ec3u \u0111\u1ed3_histogram l\u00e0 g\u00ec?<\/h3>\n<p>Bi\u1ec3u \u0111\u1ed3_histogram cung c\u1ea5p m\u1ed9t c\u1ea3m nh\u1eadn th\u00f4 v\u1ec1 m\u1eadt \u0111\u1ed9 c\u1ee7a ph\u00e2n b\u1ed1 c\u01a1 b\u1ea3n c\u1ee7a d\u1eef li\u1ec7u, v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng m\u1eadt \u0111\u1ed9: \u01b0\u1edbc t\u00ednh h\u00e0m m\u1eadt \u0111\u1ed9 x\u00e1c su\u1ea5t c\u1ee7a bi\u1ebfn c\u01a1 b\u1ea3n. T\u1ed5ng di\u1ec7n t\u00edch c\u1ee7a bi\u1ec3u \u0111\u1ed3_histogram d\u00f9ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n m\u1eadt \u0111\u1ed9 x\u00e1c su\u1ea5t lu\u00f4n \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a th\u00e0nh 1. N\u1ebfu \u0111\u1ed9 d\u00e0i c\u00e1c kho\u1ea3ng tr\u00ean tr\u1ee5c x \u0111\u1ec1u b\u1eb1ng 1, th\u00ec bi\u1ec3u \u0111\u1ed3_histogram s\u1ebd gi\u1ed1ng h\u1ec7t v\u1edbi bi\u1ec3u \u0111\u1ed3 t\u1ea7n su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i.<\/p>\n<p>Bi\u1ec3u \u0111\u1ed3_histogram c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t \u01b0\u1edbc l\u01b0\u1ee3ng m\u1eadt \u0111\u1ed9 h\u1ea1t \u0111\u01a1n gi\u1ea3n, s\u1eed d\u1ee5ng m\u1ed9t h\u1ea1t \u0111\u1ec3 l\u00e0m m\u1ecbn t\u1ea7n s\u1ed1 tr\u00ean c\u00e1c kho\u1ea3ng. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t h\u00e0m m\u1eadt \u0111\u1ed9 x\u00e1c su\u1ea5t m\u1ecbn h\u01a1n, th\u01b0\u1eddng ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u01a1n ph\u00e2n b\u1ed1 c\u1ee7a bi\u1ebfn c\u01a1 b\u1ea3n. \u01af\u1edbc l\u01b0\u1ee3ng m\u1eadt \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c v\u1ebd thay v\u00ec bi\u1ec3u \u0111\u1ed3_histogram v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng \u0111\u01b0\u1eddng cong thay v\u00ec m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c h\u00ecnh h\u1ed9p.<\/p>\n<p id=\"emQjckA\"><img alt=\"\" class=\"alignnone wp-image-11519\" decoding=\"async\" height=\"299\" loading=\"lazy\" sizes=\"auto, (max-width: 531px) 100vw, 531px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162021-300x169.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162021-300x169.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162021-1030x579.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162021-768x432.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162021-150x84.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162021-400x225.png 400w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162021.png 1039w\" width=\"531\"\/><\/p>\n<h4>\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a bi\u1ec3u \u0111\u1ed3_histogram<\/h4>\n<p><strong>\u01afu \u0111i\u1ec3m c\u1ee7a bi\u1ec3u \u0111\u1ed3_histogram:<\/strong><\/p>\n<ul>\n<li>N\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u1ea5t \u0111\u1ec3 bi\u1ec3u di\u1ec5n ph\u00e2n b\u1ed1 t\u1ea7n s\u1ed1 li\u00ean t\u1ee5c. Ch\u1ec9 c\u1ea7n m\u1ed9t c\u00e1i nh\u00ecn nhanh v\u00e0o bi\u1ec3u \u0111\u1ed3_histogram, ch\u00fang ta \u0111\u00e3 c\u00f3 th\u1ec3 h\u00ecnh dung \u0111\u01b0\u1ee3c d\u1ea1ng h\u00ecnh v\u00e0 \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n<li>Bi\u1ec3u \u0111\u1ed3_histogram c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed h\u00ecnh \u1ea3nh c\u1ee7a gi\u00e1 tr\u1ecb Mode.<\/li>\n<li>M\u1ed9t \u01b0u \u0111i\u1ec3m c\u1ee7a bi\u1ec3u \u0111\u1ed3_histogram so v\u1edbi bi\u1ec3u \u0111\u1ed3 tr\u00f2n l\u00e0 bi\u1ec3u \u0111\u1ed3_histogram c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u1ed9t \u0111\u1ea1i di\u1ec7n cho c\u00e1c kho\u1ea3ng l\u1edbp kh\u00e1c nhau.<\/li>\n<li>Ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng bi\u1ec3u \u0111\u1ed3_histogram \u0111\u1ec3 v\u1ebd \u0111\u01b0\u1eddng bi\u1ec3u di\u1ec5n t\u1ea7n s\u1ed1.<\/li>\n<\/ul>\n<p><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a bi\u1ec3u \u0111\u1ed3_histogram:<\/strong><\/p>\n<ul>\n<li>Bi\u1ec3u \u0111\u1ed3_histogram kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n ph\u00e2n b\u1ed1 t\u1ea7n s\u1ed1 r\u1eddi r\u1ea1c. N\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n ph\u00e2n b\u1ed1 t\u1ea7n s\u1ed1 li\u00ean t\u1ee5c.<\/li>\n<li>M\u1ed9t nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a bi\u1ec3u \u0111\u1ed3_histogram so v\u1edbi bi\u1ec3u \u0111\u1ed3 h\u1ed9p l\u00e0 bi\u1ec3u \u0111\u1ed3 h\u1ed9p cung c\u1ea5p th\u00eam th\u00f4ng tin nh\u01b0 trung v\u1ecb, t\u1ee9 ph\u00e2n v\u1ecb tr\u00ean v\u00e0 t\u1ee9 ph\u00e2n v\u1ecb d\u01b0\u1edbi c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n<li>Bi\u1ec3u \u0111\u1ed3_histogram kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 so s\u00e1nh hai t\u1eadp d\u1eef li\u1ec7u kh\u00e1c nhau.<\/li>\n<li>M\u1eb7c d\u00f9 mode c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng bi\u1ec3u \u0111\u1ed3_histogram, nh\u01b0ng trung b\u00ecnh v\u00e0 trung v\u1ecb th\u00ec kh\u00f4ng th\u1ec3 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c b\u1eb1ng bi\u1ec3u \u0111\u1ed3_histogram.<\/li>\n<\/ul>\n<h3>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o bi\u1ec3u \u0111\u1ed3_histogram?<\/h3>\n<ol>\n<li>Trong VP Online, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o bi\u1ec3u \u0111\u1ed3_histogram b\u1eb1ng c\u00e1ch ch\u1ecdn c\u00f4ng c\u1ee5 Bi\u1ec3u \u0111\u1ed3, sau \u0111\u00f3 k\u00e9o bi\u1ec3u \u0111\u1ed3_histogram v\u00e0o thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n.\n<p id=\"KjvORtv\"><img alt=\"\" class=\"alignnone wp-image-11521\" decoding=\"async\" height=\"364\" loading=\"lazy\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162127-300x244.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162127-300x244.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162127-768x625.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162127-150x122.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162127-400x326.png 400w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162127.png 877w\" width=\"448\"\/><\/p>\n<\/li>\n<li>B\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o B\u1ea3ng \u0111\u1ecbnh d\u1ea1ng_Bi\u1ec3u \u0111\u1ed3_S\u1eeda d\u1eef li\u1ec7u_ \u0111\u1ec3 ch\u1ec9nh s\u1eeda d\u1eef li\u1ec7u bi\u1ec3u \u0111\u1ed3 trong b\u1ea3ng t\u00ednh. D\u1ec5 d\u00e0ng ch\u1ec9nh s\u1eeda d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n trong tr\u00ecnh so\u1ea1n th\u1ea3o b\u1ea3ng t\u00ednh tr\u1ef1c quan. Visual Paradigm Online gi\u00fap vi\u1ec7c nh\u1eadp th\u00f4ng tin v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh bi\u1ec3u \u0111\u1ed3 \u1ea5n t\u01b0\u1ee3ng tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n.\n<p id=\"xmQYIos\"><img alt=\"\" class=\"alignnone wp-image-11522\" decoding=\"async\" height=\"331\" loading=\"lazy\" sizes=\"auto, (max-width: 491px) 100vw, 491px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162221-300x202.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162221-300x202.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162221-1030x692.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162221-768x516.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162221-150x101.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162221-400x269.png 400w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162221.png 1060w\" width=\"491\"\/><\/p>\n<\/li>\n<li>B\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i ki\u1ec3u bi\u1ec3u \u0111\u1ed3 trong b\u1ea3ng \u0111\u1ecbnh d\u1ea1ng. M\u00e0u s\u1eafc c\u1ee7a c\u1ed9t v\u00e0 vi\u1ec1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh trong ph\u1ea7n M\u00e0u s\u1eafc c\u1ee7a b\u1ea3ng \u0111\u1ecbnh d\u1ea1ng. Visual Paradigm Online h\u1ed7 tr\u1ee3 m\u1ed9t lo\u1ea1t c\u00e1c t\u00f9y ch\u1ecdn \u0111\u1ecbnh d\u1ea1ng phong ph\u00fa cho m\u1ecdi lo\u1ea1i bi\u1ec3u \u0111\u1ed3. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00f9y ch\u1ec9nh bi\u1ec3u \u0111\u1ed3 c\u1ee7a m\u00ecnh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi m\u00e0u s\u1eafc v\u00e0 ph\u00f4ng ch\u1eef th\u01b0\u01a1ng hi\u1ec7u c\u00f4ng ty ho\u1eb7c ch\u1ecdn m\u00e0u ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 \u0111\u1ec1 c\u1ee7a b\u1ea1n. T\u00f9y ch\u1ec9nh m\u1ecdi th\u1ee9, t\u1eeb ph\u00f4ng ch\u1eef v\u00e0 m\u00e0u s\u1eafc \u0111\u1ebfn v\u1ecb tr\u00ed ti\u00eau \u0111\u1ec1 v\u00e0 ch\u00fa th\u00edch ch\u1ec9 trong v\u00e0i c\u00fa nh\u1ea5p chu\u1ed9t.\n<p id=\"BVfXkYh\"><img alt=\"\" class=\"alignnone wp-image-11523\" decoding=\"async\" height=\"345\" loading=\"lazy\" sizes=\"auto, (max-width: 488px) 100vw, 488px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162252-300x212.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162252-300x212.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162252-768x541.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162252-150x106.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162252-400x282.png 400w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162252.png 1000w\" width=\"488\"\/><\/p>\n<\/li>\n<\/ol>\n<h4>M\u1eabu bi\u1ec3u \u0111\u1ed3<\/h4>\n<p>Tr\u00ecnh t\u1ea1o bi\u1ec3u \u0111\u1ed3 mi\u1ec5n ph\u00ed Visual Paradigm Online cung c\u1ea5p nhi\u1ec1u m\u1eabu bi\u1ec3u \u0111\u1ed3 chuy\u00ean nghi\u1ec7p. B\u1ea1n ch\u1ec9 c\u1ea7n ch\u1ecdn m\u1ed9t m\u1eabu \u0111\u1ec3 b\u1eaft \u0111\u1ea7u, sau \u0111\u00f3 nh\u1eadp d\u1eef li\u1ec7u \u0111\u1ec3 nh\u1eadn k\u1ebft qu\u1ea3 ngay l\u1eadp t\u1ee9c. H\u00e3y th\u1eed ch\u1ecdn m\u1ed9t m\u1eabu \u0111\u1eb9p m\u00e0 b\u1ea1n mu\u1ed1n, v\u00e0 d\u1ec5 d\u00e0ng t\u1ea1o bi\u1ec3u \u0111\u1ed3_histogram c\u1ee7a ri\u00eang b\u1ea1n.<\/p>\n<p id=\"ioPQpYk\"><img alt=\"\" class=\"alignnone wp-image-11524\" decoding=\"async\" height=\"303\" loading=\"lazy\" sizes=\"auto, (max-width: 322px) 100vw, 322px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162355.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162355.png 266w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/06\/Screenshot-2022-06-09-162355-150x141.png 150w\" width=\"322\"\/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bi\u1ec3u \u0111\u1ed3_histogram l\u00e0 m\u1ed9t bi\u1ec3u di\u1ec5n g\u1ea7n \u0111\u00fang v\u1ec1 ph\u00e2n b\u1ed1 c\u1ee7a d\u1eef li\u1ec7u s\u1ed1. \u0110\u1ec3 x\u00e2y d\u1ef1ng bi\u1ec3u \u0111\u1ed3_histogram, b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 &#8220;chia kho\u1ea3ng&#8221; (ho\u1eb7c &#8220;ph\u00e2n nh\u00f3m&#8221;) ph\u1ea1m vi gi\u00e1 tr\u1ecb\u2014t\u1ee9c l\u00e0 chia to\u00e0n b\u1ed9 ph\u1ea1m vi gi\u00e1 tr\u1ecb th\u00e0nh m\u1ed9t lo\u1ea1t kho\u1ea3ng c\u00e1ch\u2014r\u1ed3i \u0111\u1ebfm xem c\u00f3 bao nhi\u00eau gi\u00e1 tr\u1ecb r\u01a1i v\u00e0o [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":11509,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-11508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","loop-entry","clr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - 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