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IP屬地:廣東
  • Financial Services Metrics

    Standarded deviation of returns is known in finance as volatility of ret...

  • Business Metrics

    Long term changes that make the company great are not the core part of a...

  • Neural Network

    Universality Theorem Neural networks with a single hidden layer can be u...

  • Intonation, Linking, Rhythm, Stress

    Stress In every multi-syllable word, only one syllable can have primary ...

  • Resize,w 360,h 240
  • Resize,w 360,h 240
    R語(yǔ)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...

  • R語(yǔ)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)等唆姐,需用gdata庫(kù) 遇到問(wèn)題:下載“rJav...

  • Resize,w 360,h 240
    igraph學(xué)習(xí)筆記(1)

    普通有向(無(wú)向)圖(無(wú)向圖改成F即可) 畫(huà)基本圖: 畫(huà)環(huán)狀圖: 合并兩個(gè)圖: 求兩個(gè)圖的差異: 這里我沒(méi)有把gc和g1作比較隔节,因?yàn)槌鲥e(cuò)了值纱,在問(wèn)題...

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