{"id":382,"date":"2020-07-15T13:17:50","date_gmt":"2020-07-15T06:17:50","guid":{"rendered":"https:\/\/hoctin.vn\/?p=382"},"modified":"2020-09-04T14:44:02","modified_gmt":"2020-09-04T07:44:02","slug":"ham-if-trong-excel","status":"publish","type":"post","link":"https:\/\/hoctin.vn\/ham-if-trong-excel\/","title":{"rendered":"C\u00e1ch S\u1eed D\u1ee5ng H\u00e0m IF Trong Excel V\u00e0 V\u00ed D\u1ee5 C\u1ee5 Th\u1ec3"},"content":{"rendered":"\t\t
H\u00e0m IF l\u00e0 m\u1ed9t trong <\/span>10 h\u00e0m Excel \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd chia s\u1ebb v\u1edbi b\u1ea1n c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m IF \u0111\u1ec3 th\u1ef1c hi\u1ec7n so s\u00e1nh l\u00f4-gic v\u00e0 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 b\u1ea1n mong mu\u1ed1n.<\/span><\/p> \u00a0<\/span><\/p> H\u00e0m IF trong Excel gi\u00fap b\u1ea1n ki\u1ec3m tra xem m\u1ed9t \u0111i\u1ec1u ki\u1ec7n c\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng hay kh\u00f4ng. N\u1ebfu c\u00f3, bi\u1ec3u th\u1ee9c logic l\u00e0 TRUE, h\u00e0m s\u1ebd tr\u1ea3 v\u1ec1 m\u1ed9t gi\u00e1 tr\u1ecb \/ tham chi\u1ebfu \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh v\u00e0 n\u1ebfu kh\u00f4ng (FALSE) th\u00ec n\u00f3 s\u1ebd tr\u1ea3 v\u1ec1 m\u1ed9t gi\u00e1 tr\u1ecb \/ tham chi\u1ebfu \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh kh\u00e1c.<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t C\u00e2u l\u1ec7nh h\u00e0m IF trong Excel:<\/span><\/p> =IF(logical_test, [value_if_true], [value_if_false])<\/b><\/span><\/p> Trong \u0111\u00f3:<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t Value_if_true v\u00e0 value_if_false n\u1ebfu l\u00e0 v\u0103n b\u1ea3n th\u00ec lu\u00f4n ph\u1ea3i \u0111\u1eb7t trong d\u1ea5u ngo\u1eb7c k\u00e9p [ \u201c ].<\/span><\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t V\u1edbi c\u00e1c c\u00e2u l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n so s\u00e1nh, c\u00f3 th\u1ec3 thay \u0111\u1ed5i chi\u1ec1u c\u1ee7a bi\u1ec3u th\u1ee9c logic \u0111\u1ed3ng th\u1eddi \u0111\u1ed5i v\u1ecb tr\u00ed value_if_true v\u00e0 value_if_false.<\/span><\/p> \u00a0<\/span><\/p> V\u00ed d\u1ee5: x\u00e9t t\u1ed5ng \u0111i\u1ec3m c\u1ee7a th\u00ed sinh: t\u1eeb 21 \u0111i\u1ec3m tr\u1edf l\u00ean l\u00e0 \u0111\u1ea1t, d\u01b0\u1edbi 21 \u0111i\u1ec3m l\u00e0 kh\u00f4ng \u0111\u1ea1t, c\u00f4ng th\u1ee9c t\u1ea1i \u00f4 A6 v\u00e0 A7 c\u00f3 th\u1ec3 l\u00e0:<\/span><\/p> = IF(B2>=21,”\u0110\u1ea1t”,”Kh\u00f4ng \u0110\u1ea1t”)<\/span><\/p> = IF(B2<21,”Kh\u00f4ng \u0110\u1ea1t”,”\u0110\u1ea1t”)<\/span><\/p> \u00a0<\/p> C\u1ea3 hai c\u00f4ng th\u1ee9c excel n\u00e0y \u0111i\u1ec1u tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 \u0110\u1ea1t:<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t Nh\u01b0 v\u00ed d\u1ee5 \u1edf tr\u00ean, ch\u00fang ta th\u1ea5y r\u1eb1ng Value_if_true v\u00e0 Value_if_false c\u1ee7a h\u00e0m IF \u0111ang \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 v\u0103n b\u1ea3n v\u00e0 \u0111\u1eb7t trong d\u1ea5u ngo\u1eb7c k\u00e9p.<\/span><\/p> \u00a0<\/span><\/p> N\u1ebfu b\u1ea1n mu\u1ed1n gi\u00e1 tr\u1ecb tr\u1ea3 v\u1ec1 c\u1ee7a h\u00e0m IF trong Excel l\u00e0 TRUE ho\u1eb7c FALSE th\u00ec c\u00f3 th\u1ec3 vi\u1ebft h\u00e0m nh\u01b0 sau:<\/span><\/p> = IF(B2>=21,TRUE,FALSE)<\/span><\/p> = IF(B2<21,FALSE,TRUE) – Tr\u01b0\u1eddng h\u1ee3p \u0111\u1ea3o bi\u1ec3u th\u1ee9c logic n\u00e0y tr\u00f4ng c\u00f4ng th\u1ee9c h\u00e0m g\u00e2y xo\u1eafn n\u00e3o m\u1ed9t ch\u00fat, nh\u01b0ng kh\u00f4ng sao, khi nh\u00ecn v\u00ed d\u1ee5 tr\u1ef1c ti\u1ebfp th\u00ec k\u1ebft qu\u1ea3 h\u00e0m nh\u01b0 sau:<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t N\u1ebfu b\u1ea5t k\u1ef3 \u0111\u1ed1i s\u1ed1 n\u00e0o cho IF \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi d\u1ea1ng m\u1ea3ng, h\u00e0m IF s\u1ebd \u0111\u00e1nh gi\u00e1 m\u1ecdi ph\u1ea7n t\u1eed c\u1ee7a m\u1ea3ng. L\u01b0u \u00fd v\u1edbi c\u00f4ng th\u1ee9c m\u1ea3ng, b\u1ea1n c\u1ea7n \u1ea5n t\u1ed5 h\u1ee3p ph\u00edm Ctrl+ Shift+ Enter \u0111\u1ec3 c\u00f4ng th\u1ee9c ho\u1ea1t \u0111\u1ed9ng.<\/span><\/p> \u00a0<\/span><\/p> V\u00ed d\u1ee5 c\u00f4ng th\u1ee9c t\u00ednh t\u1ed5ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n m\u1ed9t m\u1ea3ng v\u1edbi h\u00e0m IF trong Excel:<\/span><\/p> \u00a0<\/span><\/p> T\u00ednh t\u1ed5ng m\u1ed9t m\u1ea3ng m\u00e0 trong m\u1ea3ng \u0111\u00f3: n\u1ebfu m\u1ed7i ph\u1ea7n t\u1eed trong m\u1ea3ng nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 2 th\u00ec ph\u1ea7n t\u1eed \u0111\u00f3 \u0111\u01b0\u1ee3c g\u00e1n gi\u00e1 tr\u1ecb b\u1eb1ng 0, n\u1ebfu ph\u1ea7n t\u1eed \u0111\u00f3 l\u1edbn h\u01a1n 2 th\u00ec \u0111\u01b0\u1ee3c g\u00e1n gi\u00e1 tr\u1ecb b\u1eb1ng 1.<\/span><\/p> =SUM(IF(A3:A9<=2,0,1))<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\tM\u1ee5c L\u1ee5c B\u00e0i Vi\u1ebft<\/h4>\t\t\t\t\t\t\t
1, C\u00fa Ph\u00e1p H\u00e0m IF Trong Excel<\/span><\/h1><\/span><\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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N\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t bi\u1ec3u th\u1ee9c logic tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1 \u0111\u00fang (TRUE) ho\u1eb7c sai (FALSE) ho\u1eb7c l\u00e0 tham chi\u1ebfu m\u1ed9t \u00f4 hay k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t s\u1ed1 c\u00f4ng th\u1ee9c kh\u00e1c.<\/span><\/span><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t
N\u1ebfu kh\u00f4ng \u0111i\u1ec1n Value_if_true h\u00e0m IF s\u1ebd m\u1eb7c \u0111\u1ecbnh tr\u1ea3 v\u1ec1 0 n\u1ebfu logical_test \u0111\u00fang <\/b><\/i>v\u00e0 FALSE n\u1ebfu sai.<\/span><\/span><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t
N\u1ebfu c\u00e2u \u0111i\u1ec1u ki\u1ec7n logical_test \u0111\u00fang, k\u1ebft qu\u1ea3 h\u00e0m tr\u1ea3 v\u1ec1 Value_if_true, n\u1ebfu sai m\u1eb7c \u0111\u1ecbnh tr\u1ea3 v\u1ec1 FALSE.<\/span><\/span><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t2, L\u01b0u \u00dd V\u1edbi \u0110\u1ed1i S\u1ed1 C\u1ee7a H\u00e0m IF Trong Excel<\/span><\/h1><\/span><\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
2.1, C\u00f3 Th\u1ec3 Thay \u0110\u1ed5i Bi\u1ec3u Th\u1ee9c Logic V\u00e0 \u0110\u1ed3ng Th\u1eddi \u0110\u1ed5i V\u1ecb Tr\u00ed <\/span>Value_if_true V\u00e0 <\/span><\/font><\/span>Value_if_False<\/span><\/font><\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
2.2, Tr\u01b0\u1eddng H\u1ee3p \u0110\u1ed1i S\u1ed1 C\u1ee7a H\u00e0m IF Trong Excel D\u1ea1ng M\u1ea3ng<\/span><\/span><\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
3, Quy T\u1eafc C\u01a1 B\u1ea3n Khi S\u1eed D\u1ee5ng H\u00e0m If Trong Excel<\/span><\/span><\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t