【Case Interview系列💼第三篇:Issue Tree篇🌳】
Oct 21, 2020 8:00:00 AM 0 min read
【Case Interview系列💼第三篇:Issue Tree篇🌳】Issue Tree係用黎證明你嘅假設係正確嘅,首先Issue Tree列出左一系列邏輯條件,如果你嘅proof係正確,咁就證明假設正確🤓 "Issue Tree"一詞來源於自紙上繪製時呢種邏輯結構嘅外觀,就好似側面睇嘅一棵樹。🌳Issue Tree係用一套“if/then”嘅邏輯運行。樹嘅分支= if;假設= then🧐/ Sub-condition 1/ Condition 1 - Sub-condition 2Hypothesis - Condition 2 - Sub-condition 1\ Condition 3 - Sub-condition 1\ Sub-condition 2如果3個conditions(樹分支1,樹分支2,樹分支3)都正確,咁你嘅假設就係真😚“if/then”構造提供左一個清晰嘅邏輯結構,可以用數據來證明或否定。 呢個係使用問題樹進行問題構造嘅本質,你可以根據假設進行邏輯論證,並可以通過具體數據輕鬆驗證該假設🤭想好好利用Issue Tree,就要記得以下嘅tips~🤪1️⃣如果你想Issue Tree嘅結構簡單清晰,就要從single layer開始,每層每層慢慢黎,唔好一開始用就寫低十幾二十個layer,除非你應該係Issue Tree嘅高級用家,即係經常用Issue Tree,咁就可以直接用multi-layer開始😉2️⃣每個Issue Tree for一個specific嘅problem,如果你每次將幾個問題一起寫一個Issue Tree,樹嘅結構會變到好複雜同混亂3️⃣確保每個branch一係能夠證明你嘅假設,一係就不能夠證明你嘅假設,唔好寫一D呢兩個用途以外嘅分支落去,咁就令你可以保持專注咁研究個假設4️⃣唔好propose左個solution出黎,除非你對個problem十分了解,如果你propose左solution出黎先就會影響你Issue Tree嘅準確度5️⃣係寫Issue Tree之前,確保你嘅假設係specific,而且能夠用可量化嘅證據證明,即係話你個假設要係可以用數據去proof到
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