問題詳情
47. 當在具有數值屬性(numerical attribute)的資料集中探勘關聯式規則(association rule)時，必須預先對屬性資料完成何種處理？
(A)補值處理(missing value imputation)
(B)離散化(discretization)
(C)比例轉換(scaling)
(D)正規化(normalization)
(A)補值處理(missing value imputation)
(B)離散化(discretization)
(C)比例轉換(scaling)
(D)正規化(normalization)
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
內容推薦
- 有關MapReduce程式的執行，下列敘述何者正確？(A)工作追蹤器(job tracker)主要是回報資料節點中 Map 或 Reduce 任務的執行情況(B)主節點(master node
- 對Hadoop Distributed File System (HDFS)的敘述，下列何者有誤？(A)提供容錯功能 (B)至少包含一台data node(C)至少包含一台name node
- 資料立方(data cube)是由資料倉儲綱要所建立的多維度數值統計資訊，若決策者希望獲得某單一維度的部分條件之統計量來分析資料時，可以用下列何種 OLAP 的運算來達成？(A) roll u
- 資料倉儲設計會希望是主題導向(subject-oriented)，下列敘述何者正確？(A)主題不應被期待在倉儲系統運作後自然浮現(B)分析維度的準備與主題制定是分別獨立的設計工作(C)資料倉儲
- 關於Hadoop分散式檔案系統HDFS的檔案文件儲存，下列敘述何者有誤？(A)檔案內容將被切割為區塊(chunk)儲存(B)檔案區塊大小不一，視檔案內容而定(C)檔案區塊大小通常為64 MB以
- 有關巨量資料的多類(variety)特性，下列敘述何者正確？(A)一般感知器(sensor)所回傳的資料為無結構性資料(unstructured data)(B)監視器所錄下的視訊(video
- 下列何者為公有區塊鏈(block-chain)的特性？(A)由鏈外仲裁者驗證資料 (B)由認證金融組織負責Bitcoin(比特幣)運作(C)已上鏈資料無法更改 (D)不支援智能合約的數位服務
- 文字探勘(text mining)常見的TF-IDF處理，IDF是以甚麼為單位的值？(Document--D代表文件，Term--T代表字詞，Weight--W代表加權比重)(A) IDF (
- 對關聯規則(association rule) X → Y 的理解，下列何者較為正確？(A) X的值決定Y的值 (B) X是因，Y是果(C) X之後的下一階段是Y (D) X出現時，也容易見到
- 下列何種計算方法原則是先綜觀全局，再分層深化處理的廣度優先策略？(A) Apriori原則找所有frequent patterns (B) FP-growth計算association rul
內容推薦
- 深度神經網路(deep neural networks)的神經元中通常輸出時會經過激發函數(activation function)的轉換，下列針對常用激發函數的敘述何者有誤？(A) ReLU
- 集成式分類方法是將弱分類器(weak classifiers)集合起來用以增強分類的準確率與穩定度。請問下列何者不是集成式分類方法？(A) AdaBoost (B) Gradient Boos
- 下列何者是等差數列？(A)3，3，3，3(B)1，2，4，8 (C)1，4，7，11 (D)
- People tend to feel unhappy because someone has something that they like but do not have； however
- We should not eat a wild mushroom unless we are absolutely sure that it is harmless and _____.(A)
- AIDS is _____. If you have contracted it, you must avoid having sex with others or donating blood
- The detective _____ the solving of this case to an anonymous phone call the police received a few
- The Public Transport Commission’s commitment to running our city’s train and buses as _____ as po
- The company may have to _____ some production procedures which, since the earliest days, have alw
- In order to operate _____ in today’s business environment, our company must reward the creativity
- We can expect _____ temperatures and calm conditions in the central and southern regions for at l
- The Hytex Hotel, in _____ with the organizers of the annual film festival, is offering a package
- 【題組】(A) Since (B) While (C) Unless (D) If
- 【題組】(A) to give (B) give (C) giving (D) given
- 【題組】(A) put out (B) cut off (C) brought in (D) taken down
- 【題組】(A) by far (B) on top (C) in turn (D) at hand
- 【題組】(A) For instance (B) By contrast (C) In addition (D) In some way
- 【題組】(A) The fence will never be the same.(B) The first day the boy had driven 37 nails into the f
- 【題組】(A) The fence will never be the same.(B) The first day the boy had driven 37 nails into the f
- 【題組】(A) The fence will never be the same.(B) The first day the boy had driven 37 nails into the f
- 【題組】(A) The fence will never be the same.(B) The first day the boy had driven 37 nails into the f
- 【題組】According to the passage, there are three potentially dangerous effects of modern computer s
- 【題組】There are some guidelines to protect individual rights. Which of the following is NOT one of
- 【題組】The author thinks that _____.(A) it is hard to achieve a good balance between the right to p
- 台灣的人口和都市分布，受到自然環境的影響很大。(A)O(B)X