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IP屬地：澳門
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Financial Services Metrics
Standarded deviation of returns is known in finance as volatility of ret...
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Business Metrics
Long term changes that make the company great are not the core part of a...
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Neural Network
Universality Theorem Neural networks with a single hidden layer can be u...
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Intonation, Linking, Rhythm, Stress
Stress In every multi-syllable word, only one syllable can have primary ...
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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(duì)比較的散點(diǎn)圖 這里是選擇出屬性AB>100的運(yùn)動(dòng)員，然后兩兩比較他們?cè)?quot;H","R","SO...
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R語言筆記之。。。
讀取EXCEL中的某個(gè)SHEET 也可以指定SHEET編號(hào)： 對(duì)于之前版本的EXCEL（.xls）等，需用gdata庫 遇到問題：下載“rJav...
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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，因?yàn)槌鲥e(cuò)了，在問題...