{"id":18325,"date":"2024-04-19T05:11:37","date_gmt":"2024-04-19T05:11:37","guid":{"rendered":"https:\/\/soicau2094.minhngocxoso.com\/?p=18325"},"modified":"2024-04-19T05:11:37","modified_gmt":"2024-04-19T05:11:37","slug":"bac-nho-lo-de-la-gi-cac-phuong-phap-thong-ke-bac-nho-lo-de","status":"publish","type":"post","link":"https:\/\/lohomnay.com\/bac-nho-lo-de-la-gi-cac-phuong-phap-thong-ke-bac-nho-lo-de\/","title":{"rendered":"b\u1ea1c nh\u1edb l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec? c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ed1ng k\u00ea b\u1ea1c nh\u1edb l\u00f4 \u0111\u1ec1"},"content":{"rendered":"
\u0110\u1ed1i v\u1edbi c\u00e1c tay ch\u01a1i l\u00e3o luy\u1ec7n trong l\u00e0ng l\u00f4 \u0111\u1ec1 th\u00ec kh\u00e1i ni\u1ec7m\u00a0b\u1ea1c nh\u1edb l\u00f4 \u0111\u1ec1\u00a0kh\u00f4ng c\u00f2n xa l\u1ea1.\u00a0B\u1edfi \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i \u0111\u01a1n gi\u1ea3n, mang l\u1ea1i chi\u1ebfn th\u1eafng l\u1edbn cho ng\u01b0\u1eddi ch\u01a1i. Nh\u01b0ng \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u01a1i m\u1edbi thi kh\u00e1i ni\u1ec7m n\u00e0y c\u00f2n kh\u00e1 m\u1edbi l\u1ea1. V\u1eady b\u1ea1c nh\u1edb l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec? C\u00f3 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p, b\u00ed k\u00edp th\u1ed1ng k\u1ebf b\u1ea1c nh\u1edb l\u00f4 \u0111\u1ec1 n\u00e0o? H\u00e3y c\u00f9ng c\u00e1c chuy\u00ean gia\u00a0c\u1ee7a ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft n\u00e0y nh\u00e9.<\/p>\n
M\u1ee5c l\u1ee5c<\/p>\n
\u0110\u1ec3 hi\u1ec3u r\u00f5\u00a0b\u1ea1c nh\u1edb l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec\u00a0th\u00ec ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ph\u00e2n t\u00edch \u00fd ngh\u0129a c\u1ee7a 2 t\u1eeb g\u1ed1c h\u00e1n B\u1ea1c v\u00e0 Nh\u1edb. B\u1ea1c l\u00e0 nh\u1eefng con s\u1ed1 \u0111\u00e3 v\u1ec1 v\u00e0 nh\u1edb l\u00e0 nh\u1edb l\u1ea1i l\u1ecbch s\u1eed c\u1ee7a nh\u1eefng con b\u1ea1c \u0111\u00f3. \u0110\u01a1n gi\u1ea3n h\u01a1n c\u00f3 th\u1ec3 hi\u1ec3u B\u1ea1c Nh\u1edb l\u00e0 nh\u1eefng con s\u1ed1, nh\u1eefng c\u1eb7p s\u1ed1 v\u1ec1 chung theo ng\u00e0y v\u00e0 l\u1eb7p \u0111i, l\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea7n. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch ra c\u1eb7p s\u1ed1 kh\u00e1c v\u1ec1 chung v\u00e0o ng\u00e0y k\u1ebf ti\u1ebfp.<\/p>\n
Th\u00f4ng th\u01b0\u1eddng, ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u b\u1ea1c nh\u1edb c\u00f3 t\u00ednh chu k\u00ec n\u00ean ch\u1ec9 xu\u1ea5t hi\u1ec7n trong th\u1eddi gian ng\u1eafn. Nh\u01b0ng n\u1ebfu ng\u01b0\u1eddi ch\u01a1i c\u00f3 kinh nghi\u1ec7m quan s\u00e1t th\u00ec c\u00f3 th\u1ec3 t\u00ecm v\u00e0 t\u00ednh ra chu k\u00ec c\u1ee7a c\u1ea7u b\u1ea1c nh\u1edb. V\u1edbi m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang, n\u1ebfu ch\u00fang ta bi\u1ebft k\u1ebft h\u1ee3p linh ho\u1ea1t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u00ec kh\u00f4ng c\u00f3 g\u00ec l\u00e0m kh\u00f3 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ch\u01a1i n\u1eefa.<\/p>\n
<\/p>\n
Soi c\u1ea7u b\u1ea1c nh\u1edb th\u01b0\u1eddng mang l\u1ea1i chi\u1ebfn th\u1eafng l\u1edbn cho ng\u01b0\u1eddi ch\u01a1i nh\u01b0ng vi\u1ec7c k\u1ebft h\u1ee3p nhu\u1ea7n nhuy\u1ec5n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 d\u00e0nh chi\u1ebfn th\u1eafng l\u00e0 \u0111i\u1ec1u kh\u00f4ng h\u1ec1 d\u1ec5 d\u00e0ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i c\u00f3 kinh nghi\u1ec7m d\u00e0y d\u1eb7n, ghi ch\u00e9p t\u1ec9 m\u1ec9, bi\u1ebft th\u1ed1ng k\u00ea l\u1ea1i c\u00e1c con s\u1ed1 \u0111\u1eb7c bi\u1ec7t s\u1ebd ra. Tuy nhi\u00ean, hi\u1ec7n nay v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7 th\u00ec vi\u1ec7c th\u1ed1ng k\u00ea l\u00f4 \u0111\u1ec1 c\u0169ng s\u1ebd \u0111\u01a1n gi\u1ea3n h\u01a1n nhi\u1ec1u b\u1eb1ng c\u00e1c th\u1ee7 thu\u1eadt excel hay x\u00e1c su\u1ea5t th\u1ed1ng k\u00ea.<\/p>\n
Ngo\u00e0i vi\u1ec7c t\u1ef1 m\u00ecnh th\u1ed1ng k\u00ea v\u00e0 ghi ch\u00e9p th\u00ec ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c th\u00f4ng tin v\u1ec1 l\u00f4 \u0111\u1ec1, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1eaft l\u00f4 \u0111\u1ec1 tr\u00ean website. M\u1ecdi th\u00f4ng tin v\u1ec1 l\u00f4 \u0111\u1ec1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c cao th\u1ee7 t\u1ed5ng h\u1ee3p chi ti\u1ebft \u0111\u1ec3 s\u1edbm \u0111\u1ebfn \u0111\u01b0\u1ee3c tay c\u00e1c anh em. Tuy nhi\u00ean nh\u1eefng chia s\u1ebb n\u00e0y c\u0169ng ch\u1ec9 mang t\u00ednh ch\u1ea5t tham kh\u1ea3o. \u0110\u1ec3 \u0111\u01b0a ra \u0111\u01b0\u1ee3c c\u1ea7u b\u1ea1c nh\u1edb ch\u00ednh x\u00e1c c\u00e1c anh em h\u00e3y v\u1eadn d\u1ee5ng to\u00e0n b\u1ed9 v\u1ed1n ki\u1ebfn th\u1ee9c c\u1ee7a b\u1ea3n th\u00e2n k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ngu\u1ed3n kh\u00e1c.<\/p>\n
V\u1ea1n v\u1eadt tr\u00ean tr\u00e1i \u0111\u1ea5t \u0111\u1ec1u tu\u00e2n theo quy lu\u1eadt c\u1ee7a n\u00f3 v\u00e0 l\u00f4 \u0111\u1ec1 x\u1ed5 s\u1ed1 c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 ngo\u1ea1i l\u1ec7. Nh\u1eefng quy lu\u1eadt n\u00e0y th\u01b0\u1eddng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i theo chu k\u00ec n\u00ean ng\u01b0\u1eddi ch\u01a1i ch\u1ec9 c\u1ea7n bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p\u00a0th\u1ed1ng k\u00ea b\u1ea1c nh\u1edb\u00a0l\u00f4 \u0111\u1ec1 l\u00e0 s\u1ebd n\u1eafm \u0111\u01b0\u1ee3c ph\u1ea7n th\u1eafng trong tay.<\/p>\n
C\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh l\u00f4 \u0111\u1ec1 b\u1ea1c nh\u1edb theo \u0111\u1ea7u c\u00e2m v\u00e0 \u0111\u00edt c\u00e2m l\u00e0 s\u1eed d\u1ee5ng nh\u1eefng \u0111\u1ea7u s\u1ed1, \u0111\u00edt s\u1ed1 kh\u00f4ng v\u1ec1 trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ng\u00e0y h\u00f4m \u0111\u00f3. B\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c con \u0111\u1ec1 c\u00f3 kh\u1ea3 n\u0103ng v\u1ec1 cao nh\u1ea5t. \u0110\u00e2y ch\u00ednh l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u1ec3 ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c con \u0111\u1ec1 c\u1ea7n nu\u00f4i trong nh\u1eefng ng\u00e0y ti\u1ebfp theo.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
Trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u1ee7a ng\u00e0y h\u00f4m tr\u01b0\u1edbc kh\u00f4ng v\u1ec1 \u0111\u1ea7u 2 th\u00ec ng\u00e0y h\u00f4m sau ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 ch\u1ecdn c\u1eb7p s\u1ed1 20 ho\u1eb7c 22 \u0111\u1ec3 nu\u00f4i.<\/p>\n
Nh\u01b0ng tr\u01b0\u1eddng h\u1ee3p ng\u00e0y h\u00f4m \u0111\u00f3 c\u00f3 2 \u0111\u1ea7u c\u00e2m g\u1ed3m 2 s\u1ed1 3 v\u00e0 5 th\u00ec ta s\u1ebd \u0111\u01b0\u1ee3c d\u00e0n s\u1ed1: 30 \u2013 33 \u2013 50 \u2013 55 \u2013 35 \u2013 53. L\u00fac n\u00e0y ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 \u0111\u00e1nh t\u1ea5t c\u1ea3 c\u00e1c c\u1eb7p ho\u1eb7c ch\u1ecdn l\u1ea5y 1-2 c\u1eb7p theo c\u1ea3m gi\u00e1c v\u00e0 kinh nghi\u1ec7m c\u1ee7a b\u1ea3n th\u00e2n \u0111\u1ec3 \u0111\u00e1nh.<\/p>\n
Ngo\u00e0i 2 tr\u01b0\u1eddng h\u1ee3p tr\u00ean th\u00ec \u0111\u00f4i khi b\u1ea3ng k\u1ebft qu\u1ea3 c\u00f3 3 \u0111\u1ea7u c\u00e2m ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e2m 1, 4, 6 c\u00e2m th\u00ec b\u1ea1n \u0111\u00e1nh d\u00e0n s\u1ed1 14 \u2013 41 \u2013 46 \u2013 64.<\/p>\n
T\u00f9y theo \u0111i\u1ec1u ki\u1ec7n kinh t\u1ebf v\u00e0 chi\u1ebfn thu\u1eadt m\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn nu\u00f4i 2, 3, 5 ng\u00e0y. Tuy nhi\u00ean, d\u00f9 nu\u00f4i bao nhi\u00eau ng\u00e0y ng\u01b0\u1eddi ch\u01a1i c\u0169ng ph\u1ea3i t\u00ednh to\u00e1n th\u1eadt k\u1ef9 v\u00e0 c\u00e2n b\u1eb1ng ng\u00e2n s\u00e1ch tr\u00e1nh b\u1ecb \u00e2m v\u1ed1n.<\/p>\n
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Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u0103n c\u1ee9 v\u00e0o gi\u1ea3i c\u1ee7a ng\u00e0y h\u00f4m tr\u01b0\u1edbc \u0111\u1ec3 soi c\u1ea7u nu\u00f4i cho ng\u00e0y h\u00f4m sau. Ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ph\u1ea3i ki\u1ec3m tra xem \u0111\u1ec1 h\u00f4m tr\u01b0\u1edbc v\u1ec1 bao nhi\u00eau v\u00e0 th\u1ed1ng k\u00ea t\u1ec9 l\u1ec7 xu\u1ea5t hi\u1ec7n c\u1ee7a con l\u00f4 \u0111\u00f3 trong v\u00f2ng 1 n\u0103m l\u1ea1i \u0111\u00e2y \u0111\u1ec3 \u0111\u01b0a ra con l\u00f4 \u0111\u1eb9p nh\u1ea5t<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
Trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ng\u00e0y h\u00f4m qua \u0111\u1ec1 v\u1ec1 l\u00e0 34. Sau \u0111\u00f3 th\u1ed1ng k\u00ea xem con \u0111\u1ec1 34 n\u00e0y v\u1ec1 bao nhi\u1ec1u l\u1ea7n trong th\u1eddi gian 1 n\u0103m tr\u1edf l\u1ea1i \u0111\u00e2y.<\/p>\n
Ti\u1ebfp theo ng\u01b0\u1eddi ch\u01a1i l\u1ea1i th\u1ed1ng k\u00ea th\u1eddi gian 3 ng\u00e0y g\u1ea7n \u0111\u00e2y th\u00ec con l\u00f4 n\u00e0o v\u1ec1 nhi\u1ec1u nh\u1ea5t \u0111\u1ec3 t\u00ecm ra con l\u00f4 n\u00e0o v\u1ec1 nhi\u1ec1u c\u00f9ng v\u1edbi con \u0111\u1ec1 34.<\/p>\n
Sau khi th\u1ed1ng k\u00ea ng\u01b0\u1eddi ch\u01a1i nh\u1eadn \u0111\u01b0\u1ee3c con \u0111\u1ec1 23 th\u00ec \u0111\u00e2y ch\u00ednh l\u00e0 con b\u1ea1ch th\u1ee7 c\u1ea7n nu\u00f4i trong 3 khung ng\u00e0y ti\u1ebfp theo.<\/p>\n
V\u1edbi c\u00e1ch soi n\u00e0y th\u01b0\u1eddng m\u1ea5t th\u1eddi gian v\u00e0 m\u1ea5t c\u00f4ng nhi\u1ec1u h\u01a1n so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c. Tuy nhi\u00ean, n\u1ebfu th\u1ed1ng k\u00ea \u0111\u00fang th\u00ec c\u00f4ng s\u1ee9c \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ec1n \u0111\u00e1p v\u1edbi t\u1ec9 l\u1ec7 \u0103n th\u01b0\u1edfng c\u1ef1c cao.<\/p>\n
Theo chia s\u1ebb c\u1ee7a c\u1ee7a nh\u1eefng tay ch\u01a1i l\u00f4 \u0111\u1ec1 chuy\u00ean nghi\u1ec7p th\u00ec vi\u1ec7c d\u1ef1 \u0111o\u00e1n v\u00e0 t\u00ecm ra \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed 3 l\u00f4 v\u1ec1 c\u00f9ng nhau th\u01b0\u1eddng mang l\u1ea1i hi\u1ec7u qu\u1ea3 r\u1ea5t cao. Tuy nhi\u00ean, \u0111\u1ec3 t\u00ecm ra 3 c\u1eb7p l\u00f4 t\u00f4 c\u00f9ng nhau n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec1u d\u1ec5 d\u00e0ng<\/p>\n
V\u00ed d\u1ee5: M\u1ed9t s\u1ed1 c\u1eb7p 3 l\u00f4 t\u00f4 th\u01b0\u1eddng v\u1ec1 c\u00f9ng nhau g\u1ed3m:<\/p>\n
32.43.91<\/p>\n
36.49.81<\/p>\n
64.63.85<\/p>\n
99.00.50<\/p>\n
<\/p>\n
Th\u00f4ng th\u01b0\u1eddng ch\u00fang ta s\u1ebd ghi nh\u1eadn nh\u1eefng con l\u00f4 v\u1ec1 t\u1eeb 2 nh\u00e1y tr\u1edf n\u00ean \u0111\u1ec3 t\u00ednh ra con l\u00f4 v\u1ec1 trong ng\u00e0y ti\u1ebfp theo.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
Trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ng\u00e0y h\u00f4m tr\u01b0\u1edbc l\u00f4 v\u1ec1 63 hai nh\u00e1y th\u00ec ch\u00fang ta s\u1ebd l\u1ea5y m\u1ed1c 63 n\u00e0y \u0111\u1ec3 soi.<\/p>\n
Ti\u1ebfp theo ti\u1ebfn h\u00e0nh th\u1ed1ng k\u00ea trong th\u1eddi gian 1 n\u0103m tr\u1edf l\u1ea1i \u0111\u00e2y c\u00f3 bao nhi\u00eau ng\u00e0y l\u00f4 v\u1ec1 63 2 nh\u00e1y. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian soi xu\u1ed1ng 2,3 ho\u1eb7c 6 th\u00e1ng nh\u01b0ng soi 1 n\u0103m s\u1ebd mang l\u1ea1i x\u00e1ch xu\u1ea5t th\u1eafng chu\u1ea9n h\u01a1n.<\/p>\n
T\u01b0\u01a1ng t\u1ef1 c\u00e1ch th\u1ed1ng k\u00ea theo gi\u1ea3i th\u00ec ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ng\u01b0\u1eddi ch\u01a1i c\u0169ng ti\u1ebfn h\u00e0nh th\u1ed1ng k\u00ea trong 3 ng\u00e0y g\u1ea7n nh\u1ea5t xem con l\u00f4 n\u00e0o xu\u1ea5t hi\u1ec7n nhi\u1ec1u c\u00f9ng v\u1edbi con s\u1ed1 63. N\u1ebfu th\u1ea5y xu\u1ea5t hi\u1ec7n con 49 th\u00ec ti\u1ebfn h\u00e0nh nu\u00f4i 3 khung ng\u00e0y.<\/p>\n