COSCUP
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    # 新創產品 - 驗屍報告 - CIH {%hackmd tGp8pt49Q2aT5cD5TFyaIA %} > Speaker: CIH ## 偽標題: 如何打造一個完美的棺材 讓自己躺進去 資料科學超乎想像 - Facebook劍橋分析事件 ## 爬蟲技術/資料分析 相關的 Open Source * wget, curl * PhantomJS * Selenium * html2text * 影像辨識處理:ImageMagick, tesseract ## 換IP沒用啦 最難搞的網站 * Google (本身就爬蟲王) * SimilarWeb SimilarWeb 會用 javascript 把 client 端的許多資料 (eg: OS 版本, browser 版本, plugin 狀態 ...)送到 Server 去做一個 unique ID, 只要爬蟲的環境一樣就會被封住 (大意) P.S 神經質網站:政府電子標案採購網(89/3/8,決標資料328萬筆) > 所有公家機關學校 發包都會在這裡 > 我只是20秒內看了5,6筆,就開始問我撲克牌驗證,再多看一點就被ban掉了 > 大量 proxy ip 就可以解決了 > 撲克牌辨識用 ImageMagick 就解決了 國防部,疾鋒專案1791億元 決標金額還有負數咧[有來源嗎?] > 仁武垃圾焚化廠委託操作管理公民營機構甄選 回頭找連結 風力 風電、長照 的標案 金額都很高 長照金額最高的是台中市政府 (破2000) 台北大概250 可以從這裡看到競爭對手,因為標到的廠商名稱會公開 ## Google Trends Facebook的搜尋,從 2008年 開始增加 2013/5/1 搜尋量最高,之後開始遞減 > 判斷:因為大家都知道_Facebook_,所以不需要再搜尋了,需要其他工具輔助判斷Google趨勢的意義 ## 創辦人死亡的原因 他認為他的東西用戶極度喜歡,其實是創辦人做的都是極端用戶在用的東西 * 人性 * 過去不代表未來 * 經歷背景 * 沒有真正洞悉市場的數據分析 創辦人會去創造一個市場上沒有的產品,因此他沒有判斷能力,他會賭身家全部壓進去 就算給他看市場數據,他只會說「那是以前的資料」 > 為什麼川普相信數據,其他創辦人不相信? * 川普的背景是房地產,本身就全部跟數據有關 * 信賴 相信分析人員 相對論,天花板 > 越靠近天花板,要付出的成本也越大 問歷史,問用戶 創新產品 不要做好,也不要做滿 ## 會去爬的網站 * Google Search > 反制爬蟲的王者,已經無法分析是否是爬蟲,所以就只吐一筆資料,一個禮拜後就好了 * Facebook * Amazon * GooglePlay,App Store,SimilarWeb,alexa.com,Crunchbase,App Annie,reddit ## 曾莞婷 FB為什麼很多人追 台劇:壞女人 粉絲145萬人 參與度6.2% ### 比較其他藝人的粉絲參與度 吳宗憲2.1% 周杰倫0.1% 宋芸樺0.4% 邵雨薇2.3% 曾莞婷6.2%(代言) 原因:沒有打廣告的時候,自己貼使用的產品和化妝結果,也有很多人按讚(粉絲沒有反感) ## 政治人物粉絲參與度 柯文哲4.4% 姚文智10% (最後終到45%,然後就關閉了) 林佳龍3% 陳其邁1.7% ## 讓我們分析柯文哲 喜歡柯文哲的人,也喜歡他老婆,比其他人更多追隨陳珮琪(4.3倍)和黃國昌(4.2倍)的粉絲團 因此不能得罪這些人 ### 喜歡柯文哲的也會追隨那些粉絲團 * 4.3 陳珮琪 * 4.2 黃國昌 * 3.8 林昶佐 * 3.5 海綿寶寶驚點語錄 * 3.5 香蕉哥哥 why? 我真的不知道為什麼 * 3.5 楊伊媚 * 3.3 高嘉瑜 ### 討厭柯文哲的也會追隨那些粉絲團 * 0.1 討厭柯文哲的 * 0.2 侯友宜比蘇貞昌好 * 0.3 不要欺負救國團 * 0.3 中華民國讚 柯文哲... ?有誰記得嗎? Inside 網路趨勢觀察 Hacks In Taiwan > 喜歡柯文哲的都是我們這群人(資訊人) ## 從用戶留言分析資料 Amazon Echo銷售量,會和留言成正本 2018年1月很高,2018年2月掉下來,因為其他競爭者進來市場了 29度到32度,全國的用電量會增加18% 很神奇的是 32~35 度C 用電量沒增加,因為該開冷氣的都開了 ## 市場分析極度客製化 溫度 氣象 新聞 社交+市場 加上長時間的累積,門檻很高 想看文章可以到 https://www.facebook.com/cih.tw ###### tags: `COSCUP2018` `misc`

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