{"id":25325,"date":"2023-12-07T00:21:04","date_gmt":"2023-12-07T00:21:04","guid":{"rendered":"https:\/\/masterskills.org\/blog\/ham-tap-hop-aggregate-function-la-gi-ham-tap-hop-trong-xay-dung-mo-hinh-kinh-te.html"},"modified":"2023-12-22T10:24:05","modified_gmt":"2023-12-22T03:24:05","slug":"ham-tap-hop-aggregate-function-la-gi-ham-tap-hop-trong-xay-dung-mo-hinh-kinh-te","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/ham-tap-hop-aggregate-function-la-gi-ham-tap-hop-trong-xay-dung-mo-hinh-kinh-te.html","title":{"rendered":"H\u00e0m t\u1eadp h\u1ee3p (Aggregate Function) l\u00e0 g\u00ec? H\u00e0m t\u1eadp h\u1ee3p trong x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh kinh t\u1ebf"},"content":{"rendered":"
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Hi\u0300nh minh ho\u0323a. Ngu\u00f4\u0300n: Lynda.com<\/p>\n<\/figcaption><\/figure>\n

H\u00e0m t\u1eadp h\u1ee3p<\/font><\/h2>\n

Kha\u0301i ni\u00ea\u0323m<\/b><\/p>\n

H\u00e0m t\u1eadp h\u1ee3p<\/b> trong ti\u00ea\u0301ng Anh la\u0300 Aggregate Function.<\/b><\/p>\n

H\u00e0m t\u1eadp h\u1ee3p <\/b>l\u00e0 c\u00e1c h\u00e0m to\u00e1n h\u1ecdc t\u1ed5ng c\u1ed9ng m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c gi\u00e1 tr\u1ecb cho ra m\u1ed9t gi\u00e1 tr\u1ecb k\u1ebft qu\u1ea3 duy nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a t\u1eadp d\u1eef li\u1ec7u.\u00a0<\/p>\n

C\u00e1c h\u00e0m t\u1eadp h\u1ee3p th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ea3ng t\u00ednh v\u00e0 nhi\u1ec1u ph\u1ea7n m\u1ec1m thao t\u00e1c d\u1eef li\u1ec7u ph\u1ed5 bi\u1ebfn kh\u00e1c.\u00a0<\/p>\n

Ngo\u00e0i l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh, c\u00e1c h\u00e0m t\u1eadp h\u1ee3p c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong kinh t\u1ebf h\u1ecdc, cung c\u1ea5p c\u00e1c con s\u1ed1 cho bi\u1ebft s\u1ee9c kh\u1ecfe n\u1ec1n kinh t\u1ebf, x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t ch\u1ee9ng kho\u00e1n hay m\u1ed9t ng\u00e0nh c\u1ee5 th\u1ec3.\u00a0<\/i><\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m H\u00e0m t\u1eadp h\u1ee3p\u00a0<\/font><\/h3>\n

H\u00e0m t\u1eadp h\u1ee3p<\/b> l\u00e0 c\u00e1c h\u00e0m t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u1eed l\u00ed t\u1eadp d\u1eef li\u1ec7u \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng s\u1ed1 th\u1ec3 hi\u1ec7n \u0111\u1eb7c tr\u01b0ng c\u1ee7a t\u1eadp d\u1eef li\u1ec7u.\u00a0<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y t\u00ednh \u0111\u00e3 c\u1ea3i thi\u1ec7n c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n n\u00e0y, cho ph\u00e9p c\u00e1c h\u00e0m t\u1eadp h\u1ee3p t\u1ea1o ra k\u1ebft qu\u1ea3 r\u1ea5t nhanh v\u00e0 th\u1eadm ch\u00ed \u0111i\u1ec1u ch\u1ec9nh tr\u1ecdng s\u1ed1 d\u1ef1a tr\u00ean \u0111\u1ed9 tin c\u1eady c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ed1i v\u1edbi d\u1eef li\u1ec7u.\u00a0<\/i><\/p>\n

Nh\u1edd c\u00f3 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7, c\u00e1c h\u00e0m t\u1eadp h\u1ee3p c\u00f3 th\u1ec3 x\u1eed l\u00ed c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn h\u01a1n v\u00e0 ph\u1ee9c t\u1ea1p. \u00a0\u00a0<\/p>\n

C\u00e1c h\u00e0m t\u1eadp h\u1ee3p ph\u1ed5 bi\u1ebfn l\u00e0:\u00a0 \u00a0 \u00a0\u00a0<\/p>\n

\u00a0– H\u00e0m trung b\u00ecnh (c\u00f2n g\u1ecdi l\u00e0 trung b\u00ecnh s\u1ed1 h\u1ecdc): AVERAGE\u00a0<\/p>\n

\u00a0– H\u00e0m \u0111\u1ebfm gi\u00e1 tr\u1ecb: COUNT<\/p>\n

\u00a0– H\u00e0m gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t: MAXIMIZE<\/p>\n

\u00a0– H\u00e0m null hay h\u00e0m b\u1ecf qua c\u00e1c gi\u00e1 tr\u1ecb: NANMEAN\u00a0<\/p>\n

\u00a0– H\u00e0m trung v\u1ecb: MEDIAN\u00a0<\/p>\n

\u00a0– H\u00e0m gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t: MINIMUM<\/p>\n

\u00a0– H\u00e0m y\u1ebfu v\u1ecb: MODE\u00a0<\/p>\n

\u00a0– H\u00e0m t\u1ed5ng: AGGREGATE\u00a0<\/p>\n

H\u00e0m t\u1eadp h\u1ee3p trong X\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh kinh t\u1ebf\u00a0<\/font><\/h3>\n

C\u00e1c ph\u00e9p t\u00ednh to\u00e1n to\u00e1n h\u1ecdc cho c\u00e1c h\u00e0m t\u1eadp h\u1ee3p<\/b> th\u01b0\u1eddng kh\u00e1 \u0111\u01a1n gi\u1ea3n.\u00a0<\/p>\n

V\u00ed d\u1ee5 nh\u01b0 \u0111\u1ec3 t\u00ecm m\u1ee9c t\u0103ng tr\u01b0\u1edfng t\u1ed5ng s\u1ea3n ph\u1ea9m qu\u1ed1c n\u1ed9i (GDP) trung b\u00ecnh c\u1ee7a Vi\u1ec7t Nam trong 10 n\u0103m ch\u00ec c\u1ea7n l\u1ea5y trung b\u00ecnh c\u1ee7a t\u1ed5ng m\u1ee9c t\u0103ng tr\u01b0\u1edfng GDP h\u00e0ng n\u0103m c\u1ee7a Vi\u1ec7t Nam trong 10 n\u0103m \u0111\u00f3.\u00a0<\/p>\n

Th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n tr\u00ean b\u1ea3ng t\u00ednh excel s\u1ebd gi\u00fap gi\u1ea3m ph\u1ea7n l\u1edbn th\u1eddi gian x\u1eed l\u00ed kh\u1ed1i d\u1eef li\u1ec7u l\u1edbn, s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m m\u00f4 h\u00ecnh h\u00f3a c\u00f2n ti\u1ebft ki\u1ec7m th\u1eddi gian h\u01a1n n\u1eefa. \u00a0\u00a0<\/i><\/p>\n

Kinh t\u1ebf l\u01b0\u1ee3ng v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c trong l\u0129nh v\u1ef1c kinh t\u1ebf h\u1ecdc s\u1eed d\u1ee5ng c\u00e1c h\u00e0m t\u1eadp h\u1ee3p th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch, \u0111\u00f4i khi c\u00e1c h\u00e0m t\u1eadp h\u1ee3p c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1eb7t t\u00ean k\u1ebft qu\u1ea3.\u00a0<\/i><\/p>\n

Nh\u01b0 t\u1ed5ng cung v\u00e0 t\u1ed5ng c\u1ea7u l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh s\u1eed d\u1ee5ng h\u00e0m t\u1eadp h\u1ee3p<\/b> (h\u00e0m t\u1ed5ng). T\u1ed5ng cung m\u1ed9t \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean t\u1eadp d\u1eef li\u1ec7u s\u1ea3n xu\u1ea5t v\u00e0 t\u1ed5ng c\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean t\u1eadp d\u1eef li\u1ec7u chi ti\u00eau c\u1ee7a n\u1ec1n kinh t\u1ebf.\u00a0<\/p>\n

\u0110\u01b0\u1eddng t\u1ed5ng c\u1ea7u \u0111\u01b0\u1ee3c v\u1ebd t\u1eeb c\u00f9ng t\u1eadp d\u1eef li\u1ec7u chi ti\u00eau cho th\u1ea5y t\u1ea5t c\u1ea3 c\u00e1c c\u00e1c t\u1eadp h\u1ee3p chi ti\u00eau con \u0111\u01b0\u1ee3c v\u1ebd theo th\u1eddi gian, cho th\u1ea5y nh\u1eefng thay \u0111\u1ed5i c\u1ee7a nhu c\u1ea7u t\u1ed5ng th\u1ec3 c\u1ee7a n\u1ec1n kinh t\u1ebf theo th\u1eddi gian.<\/p>\n

Vi\u1ec7c tr\u1ef1c quan h\u00f3a hay m\u00f4 h\u00ecnh h\u00f3a gi\u00fap bi\u1ec3u di\u1ec5n tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a n\u1ec1n kinh t\u1ebf r\u00f5 r\u00e0ng h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c, nh\u00e0 ho\u1ea1ch \u0111\u1ecbnh ch\u00ednh s\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh kinh doanh v\u00e0 ch\u00ednh s\u00e1ch trong th\u1ef1c ti\u1ec5n. \u00a0\u00a0<\/p>\n

H\u00e0m t\u1eadp h\u1ee3p trong kinh doanh<\/font><\/h3>\n

H\u00e0m t\u1eadp h\u1ee3p <\/b>c\u00f3 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng trong kinh doanh (nh\u01b0 t\u1ed5ng chi ph\u00ed, t\u1ed5ng thu nh\u1eadp, t\u1ed5ng gi\u1edd lao \u0111\u1ed9ng, v.v.).\u00a0<\/p>\n

Ngo\u00e0i ra, m\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn kh\u00e1c c\u1ee7a h\u00e0m t\u1eadp h\u1ee3p trong t\u00e0i ch\u00ednh l\u00e0 s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh m\u00f4 h\u00ecnh h\u00f3a r\u1ee7i ro t\u1ed5ng th\u1ec3.\u00a0<\/i><\/p>\n

C\u00e1c t\u1ed5 ch\u1ee9c t\u00e0i ch\u00ednh \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cung c\u1ea5p c\u00e1c b\u1ea3n b\u00e1o c\u00e1o chi ti\u1ebft v\u00e0 r\u00f5 r\u00e0ng v\u1ec1 m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac v\u1edbi r\u1ee7i ro c\u1ee7a h\u1ecd, bao g\u1ed3m c\u00e1c r\u1ee7i ro \u0111\u1ed1i t\u00e1c v\u00e0 t\u1ed5ng gi\u00e1 tr\u1ecb ch\u1ecbu r\u1ee7i ro<\/i>.\u00a0<\/p>\n

C\u00e1c h\u00e0m t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng x\u00e1c \u0111\u1ecbnh k\u1ebft qu\u1ea3 ph\u1ea3i ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c c\u00e1c r\u1ee7i ro m\u00e0 t\u1ed5 ch\u1ee9c t\u00e0i ch\u00ednh \u0111ang ch\u1ecbu, \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng x\u00e1c su\u1ea5t x\u1ea3y ra tr\u00ean c\u00e1c t\u1eadp d\u1eef li\u1ec7u.\u00a0 \u00a0\u00a0<\/i><\/p>\n

(Theo Investopedia<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n H\u00e0m t\u1eadp h\u1ee3p (ti\u1ebfng Anh: Aggregate Function) l\u00e0 c\u00e1c h\u00e0m to\u00e1n h\u1ecdc t\u1ed5ng c\u1ed9ng m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ec3 cho m\u1ed9t gi\u00e1 tr\u1ecb k\u1ebft qu\u1ea3 duy nh\u1ea5t.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[414],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25325"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=25325"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25325\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=25325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=25325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=25325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}