{"id":37726,"date":"2023-12-08T23:41:42","date_gmt":"2023-12-08T23:41:42","guid":{"rendered":"https:\/\/masterskills.org\/blog\/analogous-estimating-vs-parametric-estimating-trong-bai-thi-pmp.html"},"modified":"2023-12-24T21:48:09","modified_gmt":"2023-12-24T14:48:09","slug":"analogous-estimating-vs-parametric-estimating-trong-bai-thi-pmp","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/analogous-estimating-vs-parametric-estimating-trong-bai-thi-pmp.html","title":{"rendered":"Analogous Estimating vs Parametric Estimating trong b\u00e0i thi PMP"},"content":{"rendered":"
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Analogous Estimating l\u00e0 g\u00ec?<\/strong><\/span><\/span><\/h2>\n

–\u00a0<\/strong>\u01af\u1edbc t\u00ednh \u0111\u01a1n gi\u1ea3n b\u1eb1ng c\u00e1ch l\u1ea5y c\u00e1c gi\u00e1 tr\u1ecb t\u1eeb c\u00e1c d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng qu\u00e1 kh\u1ee9 c\u00f3 ph\u1ea1m vi t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e1c d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng hi\u1ec7n t\u1ea1i.<\/p>\n

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  • Ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbc t\u00ednh nhanh nh\u1ea5t v\u00e0 d\u1ec5 nh\u1ea5t \u0111\u1ec3 \u0111\u01b0a ra \u01b0\u1edbc t\u00ednh s\u01a1 b\u1ed9<\/li>\n
  • \u0110\u00f2i h\u1ecfi s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa th\u00f4ng tin l\u1ecbch s\u1eed v\u00e0 \u0111\u00e1nh gi\u00e1 c\u1ee7a chuy\u00ean gia (th\u00f4ng tin t\u1eeb c\u00e1c d\u1ef1 \u00e1n qu\u00e1 kh\u1ee9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh khi xem x\u00e9t c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t c\u1ee7a d\u1ef1 \u00e1n hi\u1ec7n t\u1ea1i, v\u00ed d\u1ee5 nh\u01b0 l\u1ea1m ph\u00e1t, v.v.)<\/li>\n
  • C\u00f3 \u0111\u1ed9 tin c\u1eady th\u1ea5p nh\u1ea5t v\u00ec kh\u00f4ng c\u00f3 02 d\u1ef1 \u00e1n n\u00e0o gi\u1ed1ng nhau ho\u00e0n to\u00e0n<\/li>\n
  • \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 h\u1ea1n ch\u1ebf th\u00f4ng tin c\u1ee7a d\u1ef1 \u00e1n<\/li>\n
  • C\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 \u201c\u01af\u1edbc l\u01b0\u1ee3ng t\u1eeb tr\u00ean xu\u1ed1ng Top-down Estimating<\/em><\/strong>\u201d<\/li>\n<\/ul>\n

    Parametric Estimating l\u00e0 g\u00ec?<\/strong><\/span><\/span><\/h2>\n

    –\u00a0<\/strong>\u01af\u1edbc t\u00ednh d\u1ef1a tr\u00ean th\u00f4ng tin l\u1ecbch s\u1eed c\u1ee7a c\u00e1c d\u1ef1 \u00e1n r\u1ea5t gi\u1ed1ng nhau v\u00e0 xem x\u00e9t s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 quy m\u00f4<\/p>\n

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    • B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh chi ph\u00ed\/th\u1eddi gian \u0111\u01a1n v\u1ecb \u0111\u1ea7u ti\u00ean t\u1eeb c\u00e1c d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng qu\u00e1 kh\u1ee9 v\u00e0 m\u1edf r\u1ed9ng d\u1ef1 to\u00e1n theo s\u1ed1 l\u01b0\u1ee3ng \u0111\u01a1n v\u1ecb c\u1ea7n thi\u1ebft cho d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng hi\u1ec7n t\u1ea1i<\/li>\n
    • \u01af\u1edbc t\u00ednh \u0111\u00e1ng tin c\u1eady h\u01a1n<\/li>\n
    • Ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi m\u1ed1i quan h\u1ec7 th\u1ed1ng k\u00ea gi\u1eefa d\u1eef li\u1ec7u l\u1ecbch s\u1eed v\u00e0 c\u00f4ng vi\u1ec7c hi\u1ec7n t\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp; th\u01b0\u1eddng h\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng v\u00ec t\u00ednh ch\u1ea5t\/chi ti\u1ebft c\u1ee7a d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng hi\u1ec7n t\u1ea1i c\u00f3 th\u1ec3 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 so v\u1edbi qu\u00e1 kh\u1ee9, t\u1eeb \u0111\u00f3 khi\u1ebfn parametric estimating kh\u00f4ng kh\u1ea3 thi<\/li>\n<\/ul>\n

      M\u1eb7c d\u00f9 c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u d\u1ef1a v\u00e0o th\u00f4ng tin l\u1ecbch s\u1eed t\u1eeb t\u1ed5 ch\u1ee9c\/ng\u00e0nh \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng th\u1eddi gian\/chi ph\u00ed cho d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng, nh\u01b0ng c\u1ea3 hai c\u0169ng c\u00f3 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t sau:<\/p>\n

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      • Analogous Estimating<\/strong> \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn t\u1eeb tr\u00ean xu\u1ed1ng, \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi Parametric Estimating, trong \u0111\u00f3 Analogous Estimating d\u1ef1a tr\u00ean vi\u1ec7c \u201ct\u01b0\u01a1ng t\u1ef1\u201d \u0111\u01a1n gi\u1ea3n.<\/li>\n
      • Parametric Estimating<\/strong> ch\u00ednh x\u00e1c h\u01a1n cho c\u00e1c d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n t\u01b0\u01a1ng t\u1ef1 v\u00e0 c\u00f3 th\u1ec3 \u201cm\u1edf r\u1ed9ng quy m\u00f4\u201d, n\u00f3 d\u1ef1a tr\u00ean \u0111\u01a1n v\u1ecb chi ph\u00ed\/th\u1eddi l\u01b0\u1ee3ng c\u1ee7a d\u1eef li\u1ec7u l\u1ecbch s\u1eed \u0111\u01b0\u1ee3c chia t\u1ef7 l\u1ec7 \u0111\u1ec3 \u0111\u01b0a ra \u01b0\u1edbc t\u00ednh.<\/li>\n
      • Analogous Estimating<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a d\u1ef1 \u00e1n khi ch\u1ec9 c\u00f3 l\u01b0\u1ee3ng th\u00f4ng tin h\u1ea1n ch\u1ebf, trong khi Parametric Estimating<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng n\u1ebfu d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng c\u00f3 th\u1ec3 \u201cm\u1edf r\u1ed9ng quy m\u00f4\u201d.<\/li>\n<\/ul>\n

        Ngo\u00e0i hai ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbc l\u01b0\u1ee3ng tr\u00ean, PMBOK<\/sup> c\u0169ng \u0111\u1ec1 c\u1eadp hai ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbc l\u01b0\u1ee3ng kh\u00e1c sau \u0111\u00e2y:<\/p>\n

        – \u01af\u1edbc t\u00ednh t\u1eeb d\u01b0\u1edbi l\u00ean Bottom-up Estimating –<\/strong> (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ck\u1ef9 thu\u1eadt x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng Definitive technique\u201d): ch\u00ednh x\u00e1c nh\u1ea5t v\u00e0 t\u1ed1n nhi\u1ec1u th\u1eddi gian nh\u1ea5t trong t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbc t\u00ednh, trong \u0111\u00f3, m\u1ecdi ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c ph\u00e2n chia chi ti\u1ebft \u1edf c\u1ea5p \u0111\u1ed9 d\u01b0\u1edbi c\u00f9ng, t\u1eeb \u0111\u00f3 t\u1ed5ng h\u1ee3p c\u00e1c \u01b0\u1edbc t\u00ednh c\u1ee7a t\u1eebng th\u00e0nh ph\u1ea7n ri\u00eang l\u1ebb \u0111\u1ec3 \u0111\u01b0a ra m\u1ed9t \u01b0\u1edbc t\u00ednh t\u1ed5ng th\u1ec3.<\/p>\n

        – \u01af\u1edbc t\u00ednh ba \u0111i\u1ec3m<\/strong>Three points Estimating<\/strong> – \u01b0\u1edbc t\u00ednh n\u00e0y ch\u00ednh x\u00e1c h\u01a1n, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb ba \u01b0\u1edbc t\u00ednh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c PERT (C\u00f4ng c\u1ee5 xem x\u00e9t v\u00e0 \u0111\u00e1nh gi\u00e1 ch\u01b0\u01a1ng tr\u00ecnh Program Evaluation And Review Technique):<\/p>\n

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        • \u01af\u1edbc t\u00ednh c\u00f3 kh\u1ea3 n\u0103ng nh\u1ea5t Most Likely Estimate (Em): \u01af\u1edbc t\u00ednh khi m\u1ecdi th\u1ee9 di\u1ec5n ra b\u00ecnh th\u01b0\u1eddng<\/li>\n
        • \u01af\u1edbc t\u00ednh bi quan Pessimistic Estimate (Ep): \u01af\u1edbc t\u00ednh khi m\u1ecdi th\u1ee9 sai h\u01b0\u1edbng (ho\u1eb7c g\u1ea7n nh\u01b0 sai)<\/li>\n
        • \u01af\u1edbc t\u00ednh l\u1ea1c quan Optimistic Estimate (Eo): \u01af\u1edbc t\u00ednh khi m\u1ecdi th\u1ee9 di\u1ec5n ra su\u00f4n s\u1ebb h\u01a1n d\u1ef1 ki\u1ebfn (ho\u1eb7c g\u1ea7n nh\u01b0 v\u1eady)<\/li>\n<\/ul>\n

          \u01af\u1edbc t\u00ednh c\u00f3 t\u00ednh c\u1ea3 r\u1ee7i ro v\u00e0 s\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn, c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n so v\u1edbi \u01b0\u1edbc t\u00ednh t\u01b0\u01a1ng t\u1ef1 Analogous Estimating<\/em> v\u00e0 \u01b0\u1edbc l\u01b0\u1ee3ng tham s\u1ed1 Parametric Estimating<\/em>.<\/p>\n

          V\u00ed d\u1ee5 minh h\u1ecda<\/strong><\/span><\/span><\/h2>\n

          \u0110\u1ed1i v\u1edbi d\u1ef1 \u00e1n luy\u1ec7n thi PMP<\/sup>, tr\u01b0\u1edbc khi b\u1eaft tay v\u00e0o vi\u1ec7c h\u1ecdc th\u1ef1c t\u1ebf, ng\u01b0\u1eddi h\u1ecdc \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch l\u1eadp k\u1ebf ho\u1ea1ch qu\u1ea3n l\u00fd cho vi\u1ec7c h\u1ecdc v\u00e0 thi b\u1eb1ng c\u00e1ch \u0111i s\u00e2u chi ti\u1ebft v\u1ec1 \u01b0\u1edbc t\u00ednh ph\u1ea1m vi v\u00e0 khung th\u1eddi gian.<\/p>\n

          C\u00f3 10 l\u0129nh v\u1ef1c ki\u1ebfn th\u1ee9c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong PMBOK<\/sup>. Gi\u1ea3 s\u1eed ta bi\u1ebft r\u1eb1ng, m\u1ea5t 10 gi\u1edd \u0111\u1ec3 h\u1ecdc xong 01 l\u0129nh v\u1ef1c ki\u1ebfn th\u1ee9c, th\u1eddi gian \u0111\u1ec3 h\u1ecdc xong t\u1ea5t c\u1ea3 10 l\u0129nh v\u1ef1c s\u1ebd l\u00e0:<\/p>\n

          10 gi\u1edd\/l\u0129nh v\u1ef1c x 10 l\u0129nh v\u1ef1c = 100 gi\u1edd<\/em><\/p>\n

          \u1ede \u0111\u00e2y ta d\u00f9ng \u01b0\u1edbc l\u01b0\u1ee3ng tham s\u1ed1 Parametric Estimating<\/em> <\/strong>v\u00ec ta \u0111\u00e3 c\u00f3 d\u1eef li\u1ec7u \u0111\u1ec3 bi\u1ebft \u201cth\u1eddi l\u01b0\u1ee3ng \u0111\u01a1n v\u1ecb\u201d c\u1ee7a d\u1ef1 \u00e1n luy\u1ec7n thi.<\/p>\n

          Gi\u1ea3 s\u1eed trong qu\u00e1 kh\u1ee9, b\u1ea1n v\u01b0\u1ee3t qua B\u00e0i ki\u1ec3m tra ch\u1ee9ng ch\u1ec9 CAPM<\/sup> v\u1edbi t\u1ed5ng s\u1ed1 300 gi\u1edd \u00f4n luy\u1ec7n. V\u00e0 v\u00ec k\u1ef3 thi ch\u1ee9ng ch\u1ec9 CAPM<\/sup> v\u00e0 PMP<\/sup> \u0111\u1ec1u do PMI cung c\u1ea5p, b\u1ea1n th\u1eed s\u1eed d\u1ee5ng \u01af\u1edbc t\u00ednh t\u01b0\u01a1ng t\u1ef1 Analogous Estimating<\/em><\/strong> \u1edf \u0111\u00e2y \u0111\u1ec3 \u01b0\u1edbc t\u00ednh th\u00ec s\u1ebd m\u1ea5t 300 gi\u1edd \u0111\u1ec3 luy\u1ec7n thi PMP<\/sup>.<\/p>\n

          \u00a0<\/p>\n

          :<\/strong><\/p>\n

          C\u00e1c thu\u1eadt ng\u1eef PMP d\u1ec5 g\u00e2y nh\u1ea7m l\u1eabn & Gi\u1ea3i th\u00edch chuy\u00ean s\u00e2u<\/p>\n

          \u00a0<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

          Analogous Estimating l\u00e0 g\u00ec? –\u00a0\u01af\u1edbc t\u00ednh \u0111\u01a1n gi\u1ea3n b\u1eb1ng c\u00e1ch l\u1ea5y c\u00e1c gi\u00e1 tr\u1ecb t\u1eeb c\u00e1c d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng qu\u00e1 kh\u1ee9 c\u00f3 ph\u1ea1m vi t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e1c d\u1ef1 \u00e1n\/ho\u1ea1t \u0111\u1ed9ng hi\u1ec7n t\u1ea1i. Ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbc t\u00ednh nhanh nh\u1ea5t v\u00e0 d\u1ec5 nh\u1ea5t \u0111\u1ec3 \u0111\u01b0a ra \u01b0\u1edbc t\u00ednh s\u01a1 b\u1ed9 \u0110\u00f2i h\u1ecfi s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[250],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/37726"}],"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=37726"}],"version-history":[{"count":1,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/37726\/revisions"}],"predecessor-version":[{"id":69382,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/37726\/revisions\/69382"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=37726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=37726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=37726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}