Standarded deviation of returns is known in finance as volatility of returns. A money m...
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IP屬地：澳門
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Financial Services Metrics
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Business Metrics
Long term changes that make the company great are not the core part of a business analy...
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Neural Network
Universality Theorem Neural networks with a single hidden layer can be used to approxim...
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Intonation, Linking, Rhythm, Stress
Stress In every multi-syllable word, only one syllable can have primary stress. Intonat...
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R語言筆記之散點(diǎn)圖繪制給所有點(diǎn)加標(biāo)簽text() 求相關(guān)系數(shù) 多個(gè)變量逐對比較的散點(diǎn)圖 這里是選擇出屬性AB>100的運(yùn)動員澡为，然后兩兩比較他們在"H","R","SO","BB","HR"這五項(xiàng)中...
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R語言筆記之。景埃。媒至。
讀取EXCEL中的某個(gè)SHEET 也可以指定SHEET編號： 對于之前版本的EXCEL（.xls）等，需用gdata庫 遇到問題：下載“rJava”庫后谷徙，調(diào)用時(shí)說選擇exce...
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igraph學(xué)習(xí)筆記（1）普通有向（無向）圖(無向圖改成F即可) 畫基本圖： 畫環(huán)狀圖： 合并兩個(gè)圖： 求兩個(gè)圖的差異： 這里我沒有把gc和g1作比較拒啰，因?yàn)槌鲥e(cuò)了，在問題（2）完慧。同時(shí)我把兩個(gè)圖的差異信...
