{"id":476728,"date":"2023-08-09T07:35:16","date_gmt":"2023-08-09T07:35:16","guid":{"rendered":""},"modified":"2023-09-05T11:13:19","modified_gmt":"2023-09-05T11:13:19","slug":"data-visualization","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/data-visualization\/","title":{"rendered":"Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u"},"content":{"rendered":"<p>Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u l\u00e0 th\u1ef1c h\u00e0nh chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00f4, ph\u1ee9c t\u1ea1p th\u00e0nh \u0111\u1ed3 h\u1ecda tr\u1ef1c quan d\u1ec5 hi\u1ec3u, ph\u00e2n t\u00edch v\u00e0 s\u1eed d\u1ee5ng h\u01a1n \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ed3 h\u1ecda nh\u01b0 bi\u1ec3u \u0111\u1ed3, \u0111\u1ed3 th\u1ecb, b\u1ea3n \u0111\u1ed3 v\u00e0 \u0111\u1ed3 h\u1ecda th\u00f4ng tin, tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u gi\u00fap t\u1ea1o ra c\u00e1c m\u1eabu, xu h\u01b0\u1edbng v\u00e0 m\u1ed1i t\u01b0\u01a1ng quan trong d\u1eef li\u1ec7u d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n v\u1edbi m\u1ecdi ng\u01b0\u1eddi.<\/p>\n<h2>B\u1ed1i c\u1ea3nh l\u1ecbch s\u1eed c\u1ee7a tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h2>\n<p>Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u, m\u1eb7c d\u00f9 c\u00f3 v\u1ebb hi\u1ec7n \u0111\u1ea1i nh\u01b0ng l\u1ea1i c\u00f3 m\u1ed9t l\u1ecbch s\u1eed phong ph\u00fa t\u1eeb th\u1eddi c\u1ed5 \u0111\u1ea1i. Tr\u01b0\u1eddng h\u1ee3p tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn c\u00f3 t\u1eeb n\u0103m 5500 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean, khi ng\u01b0\u1eddi L\u01b0\u1ee1ng H\u00e0 s\u1eed d\u1ee5ng m\u00e3 th\u00f4ng b\u00e1o b\u1eb1ng \u0111\u1ea5t s\u00e9t cho m\u1ee5c \u0111\u00edch k\u1ebf to\u00e1n. Trong th\u1eddi k\u1ef3 hi\u1ec7n \u0111\u1ea1i, m\u1ed9t trong nh\u1eefng v\u00ed d\u1ee5 \u0111\u00e1ng ch\u00fa \u00fd nh\u1ea5t l\u00e0 b\u1ea3n \u0111\u1ed3 d\u1ecbch t\u1ea3 do Ti\u1ebfn s\u0129 John Snow t\u1ea1o ra v\u00e0o n\u0103m 1854, gi\u00fap x\u00e1c \u0111\u1ecbnh ngu\u1ed3n g\u1ed1c c\u1ee7a \u0111\u1ee3t b\u00f9ng ph\u00e1t d\u1ecbch t\u1ea3 \u1edf London. S\u1ef1 ra \u0111\u1eddi c\u1ee7a m\u00e1y t\u00ednh trong th\u1ebf k\u1ef7 20 \u0111\u00e3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 vi\u1ec7c s\u1eed d\u1ee5ng v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u.<\/p>\n<h2>\u0110i s\u00e2u h\u01a1n v\u00e0o tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h2>\n<p>Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 cho ph\u00e9p di\u1ec5n gi\u1ea3i d\u1ec5 d\u00e0ng h\u01a1n m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p. Thay v\u00ec ph\u1ea3i xem qua c\u00e1c b\u1ea3ng t\u00ednh v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u r\u1ed9ng l\u1edbn, c\u00e1c b\u1ea3n tr\u00ecnh b\u00e0y tr\u1ef1c quan c\u00f3 th\u1ec3 cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft quan tr\u1ecdng m\u1ed9t c\u00e1ch ng\u1eafn g\u1ecdn v\u00e0 d\u1ec5 hi\u1ec3u.<\/p>\n<p>M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u l\u00e0 truy\u1ec1n \u0111\u1ea1t th\u00f4ng tin r\u00f5 r\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 th\u00f4ng qua \u0111\u1ed3 h\u1ecda th\u1ed1ng k\u00ea, s\u01a1 \u0111\u1ed3 v\u00e0 \u0111\u1ed3 h\u1ecda th\u00f4ng tin. Tr\u1ef1c quan h\u00f3a hi\u1ec7u qu\u1ea3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng ph\u00e2n t\u00edch v\u00e0 suy lu\u1eadn v\u1ec1 d\u1eef li\u1ec7u v\u00e0 b\u1eb1ng ch\u1ee9ng. N\u00f3 l\u00e0m cho d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n, d\u1ec5 hi\u1ec3u h\u01a1n v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n<h2>C\u01a1 ch\u1ebf b\u00ean trong c\u1ee7a tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h2>\n<p>Qu\u00e1 tr\u00ecnh tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc. N\u00f3 b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u, trong \u0111\u00f3 d\u1eef li\u1ec7u li\u00ean quan \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb c\u00e1c ngu\u1ed3n kh\u00e1c nhau. Ti\u1ebfp theo l\u00e0 qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u, trong \u0111\u00f3 c\u00e1c ph\u1ea7n d\u1eef li\u1ec7u d\u01b0 th\u1eeba, kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 ho\u1eb7c kh\u00f4ng li\u00ean quan s\u1ebd b\u1ecb x\u00f3a ho\u1eb7c s\u1eeda.<\/p>\n<p>Ti\u1ebfp theo, d\u1eef li\u1ec7u s\u1ea1ch s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u00f4 h\u00ecnh, m\u1ed1i t\u01b0\u01a1ng quan v\u00e0 xu h\u01b0\u1edbng. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh b\u1ed1i c\u1ea3nh tr\u1ef1c quan cho ph\u00e9p gi\u1ea3i th\u00edch d\u1ec5 d\u00e0ng h\u01a1n. S\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y c\u00f3 th\u1ec3 \u1edf d\u1ea1ng bi\u1ec3u \u0111\u1ed3, \u0111\u1ed3 th\u1ecb ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 tr\u1ef1c quan kh\u00e1c.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, d\u1eef li\u1ec7u tr\u1ef1c quan \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y cho kh\u00e1n gi\u1ea3, sau \u0111\u00f3 h\u1ecd c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch v\u00e0 s\u1eed d\u1ee5ng th\u00f4ng tin \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h2>\n<p>Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh:<\/p>\n<ol>\n<li><strong>S\u1ef1 \u0111\u01a1n gi\u1ea3n<\/strong>: D\u1eef li\u1ec7u tr\u1ef1c quan d\u1ec5 hi\u1ec3u h\u01a1n d\u1eef li\u1ec7u th\u00f4, ch\u01b0a \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/strong>: D\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ti\u1ebfp c\u1eadn v\u1edbi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng, b\u1ea5t k\u1ec3 n\u1ec1n t\u1ea3ng ph\u00e2n t\u00edch d\u1eef li\u1ec7u c\u1ee7a h\u1ecd.<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3<\/strong>: Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u t\u0103ng t\u1ed1c \u0111\u1ed9 hi\u1ec3u d\u1eef li\u1ec7u, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 t\u00e0i nguy\u00ean.<\/li>\n<li><strong>T\u00ednh linh ho\u1ea1t<\/strong>: N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, t\u1eeb kinh doanh v\u00e0 ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe \u0111\u1ebfn truy\u1ec1n th\u00f4ng v\u00e0 gi\u00e1o d\u1ee5c.<\/li>\n<li><strong>Ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t<\/strong>: N\u00f3 gi\u00fap \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u.<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h2>\n<p>K\u1ef9 thu\u1eadt tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u r\u1ea5t nhi\u1ec1u v\u00e0 \u0111a d\u1ea1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng ph\u00e1c th\u1ea3o nh\u1eefng c\u00e1i ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u tr\u1ef1c quan<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Bi\u1ec3u \u0111\u1ed3 c\u1ed9t<\/td>\n<td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb v\u00e0 so s\u00e1nh s\u1ed1 l\u01b0\u1ee3ng, t\u1ea7n su\u1ea5t ho\u1eb7c th\u01b0\u1edbc \u0111o kh\u00e1c cho c\u00e1c danh m\u1ee5c ho\u1eb7c nh\u00f3m kh\u00e1c nhau.<\/td>\n<\/tr>\n<tr>\n<td>Bi\u1ec3u \u0111\u1ed3 tr\u00f2n<\/td>\n<td>D\u00f9ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n t\u1ef7 l\u1ec7 c\u1ee7a m\u1ed9t t\u1ed5ng th\u1ec3. M\u1ed7i ph\u00e2n kh\u00fac \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1ec3 lo\u1ea1i c\u1ee5 th\u1ec3.<\/td>\n<\/tr>\n<tr>\n<td>Bi\u1ec3u \u0111\u1ed3 \u0111\u01b0\u1eddng<\/td>\n<td>Hi\u1ec3n th\u1ecb xu h\u01b0\u1edbng theo th\u1eddi gian. Tr\u1ee5c x th\u01b0\u1eddng bi\u1ec3u th\u1ecb th\u1eddi gian v\u00e0 tr\u1ee5c y bi\u1ec3u th\u1ecb s\u1ed1 l\u01b0\u1ee3ng.<\/td>\n<\/tr>\n<tr>\n<td>Bi\u1ec3u \u0111\u1ed3<\/td>\n<td>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 bi\u1ec3u \u0111\u1ed3 thanh nh\u01b0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n b\u1ed5 t\u1ea7n su\u1ea5t theo c\u00e1c kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh.<\/td>\n<\/tr>\n<tr>\n<td>Bi\u1ec3u \u0111\u1ed3 ph\u00e2n t\u00e1n<\/td>\n<td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n m\u1ed1i t\u01b0\u01a1ng quan gi\u1eefa hai bi\u1ebfn.<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3n \u0111\u1ed3 nhi\u1ec7t<\/td>\n<td>Hi\u1ec3n th\u1ecb c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng m\u00e0u s\u1eafc theo hai chi\u1ec1u. H\u1eefu \u00edch \u0111\u1ec3 hi\u1ec3n th\u1ecb ph\u01b0\u01a1ng sai tr\u00ean nhi\u1ec1u bi\u1ebfn.<\/td>\n<\/tr>\n<tr>\n<td>Bi\u1ec3u \u0111\u1ed3 bong b\u00f3ng<\/td>\n<td>M\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a bi\u1ec3u \u0111\u1ed3 ph\u00e2n t\u00e1n. K\u00edch th\u01b0\u1edbc c\u1ee7a bong b\u00f3ng th\u1ec3 hi\u1ec7n d\u1eef li\u1ec7u chi\u1ec1u b\u1ed5 sung.<\/td>\n<\/tr>\n<tr>\n<td>L\u00f4 h\u1ed9p<\/td>\n<td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00e1c nh\u00f3m d\u1eef li\u1ec7u s\u1ed1 th\u00f4ng qua c\u00e1c ph\u1ea7n t\u01b0 c\u1ee7a ch\u00fang.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>S\u1eed d\u1ee5ng tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u, th\u00e1ch th\u1ee9c v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, bao g\u1ed3m kinh doanh, ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe, gi\u00e1o d\u1ee5c v\u00e0 ch\u00ednh s\u00e1ch c\u00f4ng. N\u00f3 h\u1ed7 tr\u1ee3 d\u1ef1 b\u00e1o xu h\u01b0\u1edbng, b\u00e1o c\u00e1o hi\u1ec7u su\u1ea5t, ra quy\u1ebft \u0111\u1ecbnh v\u00e0 l\u1eadp h\u1ed3 s\u01a1 nh\u00e2n kh\u1ea9u h\u1ecdc.<\/p>\n<p>B\u1ea5t ch\u1ea5p nh\u1eefng l\u1ee3i \u00edch c\u1ee7a n\u00f3, v\u1eabn t\u1ed3n t\u1ea1i nh\u1eefng th\u00e1ch th\u1ee9c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed3 h\u1ecda g\u00e2y hi\u1ec3u nh\u1ea7m, qu\u00e1 ph\u1ee9c t\u1ea1p, thi\u1ebfu r\u00f5 r\u00e0ng v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 nh\u1eadn bi\u1ebft m\u00e0u s\u1eafc. Tuy nhi\u00ean, nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf t\u1ed1t, xem x\u00e9t nh\u1eadn th\u1ee9c c\u1ee7a kh\u00e1n gi\u1ea3 v\u00e0 s\u1eed d\u1ee5ng c\u00e1ch ph\u1ed1i m\u00e0u v\u00e0 t\u1ef7 l\u1ec7 m\u00e0u ph\u00f9 h\u1ee3p.<\/p>\n<h2>Ph\u00e2n t\u00edch so s\u00e1nh tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h2>\n<p>M\u1eb7c d\u00f9 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn c\u00e1c h\u00ecnh th\u1ee9c bi\u1ec3u di\u1ec5n th\u00f4ng tin kh\u00e1c nh\u01b0ng n\u00f3 c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u, b\u00e1o c\u00e1o d\u1eef li\u1ec7u v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u:<\/p>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/th>\n<th>B\u00e1o c\u00e1o d\u1eef li\u1ec7u<\/th>\n<th>Ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kh\u00e1ch quan<\/td>\n<td>Tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u \u1edf \u0111\u1ecbnh d\u1ea1ng \u0111\u1ed3 h\u1ecda \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n.<\/td>\n<td>Cung c\u1ea5p t\u00f3m t\u1eaft d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc h\u01a1n.<\/td>\n<td>Tr\u00edch xu\u1ea5t nh\u1eefng hi\u1ec3u bi\u1ebft h\u1eefu \u00edch t\u1eeb d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/td>\n<td>C\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n ho\u1eb7c ph\u1ee9c t\u1ea1p, t\u00f9y thu\u1ed9c v\u00e0o d\u1eef li\u1ec7u v\u00e0 m\u1ee5c ti\u00eau.<\/td>\n<td>Th\u00f4ng th\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 hi\u1ec3u.<\/td>\n<td>Th\u01b0\u1eddng ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u00f2i h\u1ecfi k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n.<\/td>\n<\/tr>\n<tr>\n<td>T\u01b0\u01a1ng t\u00e1c ng\u01b0\u1eddi d\u00f9ng<\/td>\n<td>C\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thao t\u00e1c d\u1eef li\u1ec7u.<\/td>\n<td>N\u00f3i chung l\u00e0 t\u0129nh, kh\u00f4ng c\u00f3 s\u1ef1 t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/td>\n<td>T\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng thay \u0111\u1ed5i d\u1ef1a tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai trong tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h2>\n<p>Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u li\u00ean t\u1ee5c ph\u00e1t tri\u1ec3n v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i. Th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng (AR) v\u00e0 th\u1ef1c t\u1ebf \u1ea3o (VR) \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 c\u00e1ch m\u1ea1ng h\u00f3a vi\u1ec7c tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u b\u1eb1ng c\u00e1ch cung c\u1ea5p tr\u1ea3i nghi\u1ec7m t\u01b0\u01a1ng t\u00e1c, s\u1ed1ng \u0111\u1ed9ng. Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 h\u1ecdc m\u00e1y s\u1ebd cho ph\u00e9p c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c quan h\u00f3a th\u00f4ng minh v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u01a1n.<\/p>\n<p>S\u1ef1 gia t\u0103ng c\u1ee7a d\u1eef li\u1ec7u l\u1edbn \u0111\u00f2i h\u1ecfi c\u00e1c k\u1ef9 thu\u1eadt tr\u1ef1c quan ti\u00ean ti\u1ebfn h\u01a1n c\u00f3 kh\u1ea3 n\u0103ng bi\u1ec3u di\u1ec5n c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn \u1edf c\u00e1c \u0111\u1ecbnh d\u1ea1ng d\u1ec5 hi\u1ec3u. Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c s\u1ebd ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng khi c\u00e1c ng\u00e0nh h\u01b0\u1edbng t\u1edbi vi\u1ec7c ra quy\u1ebft \u0111\u1ecbnh theo th\u1eddi gian th\u1ef1c.<\/p>\n<h2>Hi\u1ec7p h\u1ed9i m\u00e1y ch\u1ee7 proxy v\u1edbi tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong giai \u0111o\u1ea1n thu th\u1eadp d\u1eef li\u1ec7u. Ch\u00fang c\u00f3 th\u1ec3 cho ph\u00e9p tr\u00edch xu\u1ea5t m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau m\u00e0 kh\u00f4ng g\u1eb7p r\u1ee7i ro khi b\u1ecb c\u1ea5m IP, do \u0111\u00f3 cung c\u1ea5p c\u01a1 s\u1edf tr\u1ef1c quan r\u1ed9ng r\u00e3i h\u01a1n. H\u01a1n n\u1eefa, ch\u00fang \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ea9n danh, cung c\u1ea5p l\u1edbp b\u1ea3o m\u1eadt cho d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m.<\/p>\n<p>H\u01a1n n\u1eefa, khi c\u00e1c doanh nghi\u1ec7p ng\u00e0y c\u00e0ng d\u1ef1a v\u00e0o c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c quan h\u00f3a d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y, m\u00e1y ch\u1ee7 proxy s\u1ebd \u0111\u1ea3m b\u1ea3o quy\u1ec1n truy c\u1eadp an to\u00e0n v\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n v\u00e0o c\u00e1c t\u00e0i nguy\u00ean n\u00e0y.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y c\u00e1c t\u00e0i nguy\u00ean n\u00e0y h\u1eefu \u00edch:<\/p>\n<ol>\n<li><a href=\"https:\/\/www.tableau.com\/learn\/articles\/data-visualization\" target=\"_new\" rel=\"noopener nofollow\">H\u01b0\u1edbng d\u1eabn tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u c\u1ee7a Tableau<\/a><\/li>\n<li><a href=\"https:\/\/datavizproject.com\/data-visualization-history\/\" target=\"_new\" rel=\"noopener nofollow\">T\u00f3m t\u1eaft l\u1ecbch s\u1eed tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/a><\/li>\n<li><a href=\"https:\/\/hbr.org\/2019\/10\/visualizations-that-really-work\" target=\"_new\" rel=\"noopener nofollow\">Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u \u0111\u1ec3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 ra quy\u1ebft \u0111\u1ecbnh c\u1ee7a Harvard Business Review<\/a><\/li>\n<li><a href=\"https:\/\/towardsdatascience.com\/future-trends-in-data-visualization-525446fe6631\" target=\"_new\" rel=\"noopener nofollow\">Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai v\u1ec1 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/a><\/li>\n<li><a href=\"https:\/\/www.ibm.com\/design\/thinking\/page\/toolkit\/activity\/data-visualization\" target=\"_new\" rel=\"noopener nofollow\">K\u1ef9 thu\u1eadt tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u c\u1ee7a IBM<\/a><\/li>\n<\/ol>","protected":false},"featured_media":468156,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476728","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Data Visualization: The Art and Science of Presenting Information<\/mark>","faq_items":[{"question":"What is data visualization?","answer":"<p>Data visualization is the practice of converting complex, raw data into visual graphics such as charts, graphs, and infographics to make it more comprehensible, which aids in decision-making processes.<\/p>"},{"question":"What is the history of data visualization?","answer":"<p>Data visualization has a rich history that can be traced back to 5500 BC when Mesopotamians used clay tokens for accounting purposes. A notable modern example is the cholera map created by Dr. John Snow in 1854, which helped pinpoint a cholera outbreak's source in London. The advent of computers in the 20th century significantly amplified the use and significance of data visualization.<\/p>"},{"question":"What are the key features of data visualization?","answer":"<p>The key features of data visualization include simplicity, accessibility, efficiency, versatility, and it supports informed decision-making. By presenting complex data in an easy-to-understand visual format, it saves time, resources and is applicable across various sectors.<\/p>"},{"question":"What types of data visualization techniques exist?","answer":"<p>There are several types of data visualization techniques, including bar charts, pie charts, line graphs, histograms, scatter plots, heat maps, bubble charts, and box plots. Each of these serves to represent data in a unique, comprehensible way.<\/p>"},{"question":"What problems might be encountered with data visualization and how can they be solved?","answer":"<p>Challenges with data visualization include misleading graphics, over-complication, lack of clarity, and color perception issues. These problems can be mitigated by adhering to good design principles, considering the audience's perception, and utilizing appropriate color schemes and scales.<\/p>"},{"question":"How are data visualization, data reporting, and data analysis different?","answer":"<p>While all three represent forms of dealing with data, they differ in their objectives and complexity. Data visualization aims to present data in a graphical format for better understanding. Data reporting provides a summary of data without deeper insights, and data analysis seeks to extract useful insights from the data.<\/p>"},{"question":"How will future technologies impact data visualization?","answer":"<p>Emerging technologies like augmented reality (AR), virtual reality (VR), artificial intelligence, and machine learning are expected to bring about significant changes in data visualization. AR and VR can offer immersive, interactive data visualization experiences, while AI and machine learning will enable smarter and automated visualization tools.<\/p>"},{"question":"How are proxy servers related to data visualization?","answer":"<p>Proxy servers can play a critical role in the data collection stage of data visualization. They facilitate the extraction of large amounts of data from various sources without risking IP bans. They also ensure anonymity and provide a layer of security for sensitive data. In addition, they enable secure and uninterrupted access to cloud-based visualization tools.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476728\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/468156"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}