creating and working with predictions basic data mining tutorial

... size (# obsns.) and sum Prune (and split) to maximize profits Additional Ideas • Forests – Draw samples with replacement (bootstrap) and grow multiple trees • Random Forests – Randomly sample ... observations to estimate parameters of interest • Data mining – loads of data, can afford “holdout sample” • Variation: n-fold cross validation – Randomly divide data into n sets – Estimate on n-1, validate ... If the Life Line is long and deep, then this represents a long life full of vitality and health A short line, if strong and deep, also shows great vitality in your life and the ability to overcome...

Ngày tải lên: 04/03/2013, 14:32

... learning and robotics – areas not part of data mining Data Mining and Knowledge Discovery    integrates theory and heuristics focus on the entire process of knowledge discovery, including data ... Related Fields Machine Learning Visualization Data Mining and Knowledge Discovery Statistics © 2006 KDnuggets Databases Statistics, Machine Learning and Data Mining  Statistics:    more theory-based ... novel  potentially useful  and ultimately understandable patterns in data from Advances in Knowledge Discovery and Data Mining, Fayyad, Piatetsky-Shapiro, Smyth, and Uthurusamy, (Chapter 1),...

Ngày tải lên: 04/03/2013, 14:32

... at local sources 11 Data Mining From Data Warehousing (OLAP) to Data Mining (OLAM) Online Analytical Mining integrates with Online Analytical Processing with data mining and mining knowledge in ... multiple data mining functions and online analytical mining provide users with the flexibility to select desired data mining functions and swap data mining tasks dynamically 13 TERMINOLOGIES Data Mining ... databases without mining the data again from scratch Diverse Data Types Issues  Handling of relational and complex types of data - The database may contain complex data objects, multimedia data...

Ngày tải lên: 28/08/2016, 12:31

... same data! 10 © Tan,Steinbach, Kumar Introduction to Data Mining Decision Tree Classification Task Decision Tree © Tan,Steinbach, Kumar Introduction to Data Mining Apply Model to Test Data Test Data ... Usually, the given data set is divided into training and test sets, with training set used to build the model and test set used to validate it © Tan,Steinbach, Kumar Introduction to Data Mining Illustrating ... Underfitting and Overfitting Missing Values Costs of Classification © Tan,Steinbach, Kumar Introduction to Data Mining 50 Underfitting and Overfitting (Example) 500 circular and 500 triangular data points...

Ngày tải lên: 15/03/2014, 09:20

... the support and confidence for each rule – Prune rules that fail the minsup and minconf thresholds ⇒ Computationally prohibitive! © Tan,Steinbach, Kumar Introduction to Data Mining Mining Association ... each candidate by scanning the database – – Match each transaction against every candidate d Complexity ~ O(NMw) => Expensive since M = !!! © Tan,Steinbach, Kumar Introduction to Data Mining ... Used by DHP and vertical-based mining algorithms Reduce the number of comparisons (NM) – Use efficient data structures to store the candidates or transactions – No need to match every candidate...

Ngày tải lên: 15/03/2014, 09:20

... Introduction to Data Mining 49 Starting Situation Start with clusters of individual points and a proximity matrix p1 p2 p3 p4 p5 p1 p2 p3 p4 p5 © Tan,Steinbach, Kumar Introduction to Data Mining Proximity ... to Data Mining 33 Handling Empty Clusters Basic K-means algorithm can yield empty clusters Several strategies – Choose the point that contributes most to SSE – Choose a point from the cluster with ... the edge weight between clusters and maximize the edge weight within clusters © Tan,Steinbach, Kumar Introduction to Data Mining 17 Characteristics of the Input Data Are Important Type of proximity...

Ngày tải lên: 15/03/2014, 09:20

... megabytes, and an exabyte is a million terabytes Data mining attempts to extract useful information from such large data sets Data mining explores and analyzes large quantities of data in order ... search and modeling steps of the typical data mining application This is why researchers refer to data mining as statistics at scale and speed The large scale (lots of available data) and the ... applications of data mining that are important; data mining is also important for applications in the sciences We have enormous data bases on drugs and their side effects, and on medical procedures and their...

Ngày tải lên: 05/05/2014, 13:27

... Data Mining: Discovering and Visualizing Patterns with Python Get More Refcardz! Visit refcardz.com #183 Data Mining CONTENTS INCLUDE: ❱ Data Importing and Visualization ❱ ... Import and visualize data Classify and cluster data Discover relationships in the data using regression and correlation measures Reduce the dimensionality of the data in order to compress and visualize ... mean of precision and recall figure() subplot(211) # top figure with the real classes plot (data[ t==1,0] ,data[ t==1,2],’bo’) plot (data[ t==2,0] ,data[ t==2,2],’ro’) plot (data[ t==3,0] ,data[ t==3,2],’go’)...

Ngày tải lên: 20/01/2016, 14:16

... series data: (1) the algorithm that uses R*-tree combined with the idea of early abandoning in Euclidean distance computation and (2) the algorithm using MP_C associated with Skyline index; and ... ĐẶC TRƢNG BẰNG PHƢƠNG PHÁP ĐIỂM GIỮA VÀ KỸ THUẬT XÉN (TIME SERIES DATA MINING BASED ON FEATURE EXTRACTION WITH MIDDLE POINTS AND CLIPPING METHOD) Chuyên ngành: Khoa học máy tính Mã số chuyên ... thesis is the application of MP_C method to the three important time series data mining tasks: clustering, motif detection and time series prediction As for clustering, we exploit the multi-resolution...

Ngày tải lên: 26/02/2016, 20:11

... line art ᮣ Creating a new layer for your line art ᮣ Using the Pen and Marker tools ᮣ Filling large areas with the Fill tool ᮣ Using the Join Line tool ᮣ Adding effects with the Airbrush and Pattern ... artists like to get their hands dirty with a good dip pen, India ink, and correction fluid and would rather just scan inked line art into Manga Studio for touch-ups and screentoning I cover the ... box until all dirt and rough lines that may have scanned in disappear and the line art looks how you’d like it to be Click the Move and Transform tab and resize, reposition, and rotate your image...

Ngày tải lên: 27/08/2012, 14:31

... trợ giải pháp máy chủ standby RDBMS and Data Management/ Session 7/18 of 25 Nhóm tập tin ghi vết giao dịch  Thêm tập tin ghi vết vào sở liệu Cú pháp: ALTER DATABASE database_name { } [;] ::= ... tạo Cú pháp: CREATE DATABASE database_snapshot_name ON ( NAME = logical_file_name, FILENAME = ‘os_file_name’ ) [ , n ] AS SNAPSHOT OF source_database_name [;]  RDBMS and Data Management/ Session ... COLLATE collation_name ] ] [;] RDBMS and Data Management/ Session 7/15 of 25 Nhóm tập tin ghi vết giao dịch  Thêm nhóm tập tin vào CSDL có: Cú pháp ALTER DATABASE database_name { ...

Ngày tải lên: 01/09/2012, 09:09

... trong qui trình KDD Pattern Evaluation Data mining Task relevant data Data warehouse Data cleaning Knowledge Data integration selection Mục đích KTDL Data Mining Descriptive Predictive Classification ... Environment • Subject = Customer • Data Warehouse Biến thời gian • Time • Data • 01/97 Data for January • • 02/97 Data for February • • 03/97 Data for March • • Data • Warehouse Ổn Định • Là lưu ... Nội Dung • Kho liệu (Data warehouse) • Khai thác liệu (Data mining) – Giới thiệu – Giới thiệu – Qui trình khám phá tri thức – Định nghĩa – DW - Traditional Database – Luật kết hợp – Mục...

Ngày tải lên: 18/01/2013, 16:15

... drive data gathering and experimental planning, and to structure the databases and data warehouses BK is used to properly select the data, choose the data mining strategies, improve the data mining ... modern data mining methods in several important areas of medicine, covering classical data mining methods, elaborated approaches related to mining in EEG and ECG data, and methods related to mining ... and methodological background for the remaining parts of the book It defines and explains basic notions of data mining and knowledge management, and discusses some general methods Chapter I Data, ...

Ngày tải lên: 16/08/2013, 16:24

... geometry datatype, which conforms to OGC standards, is also the datatype that provides options for dealing with data that fails to meet those standards For example, not only can the geometry datatype ... interfaces to spatial data held in a database Users pan and zoom the map to display a particular area of interest, and any data contained within the visible map view is retrieved from the database to be ... stored and retrieved, none of the methods provided by the geography or geometry datatypes account for the value of Z and M coordinates in their calculations 292 CHAPTER 10 WORKING WITH SPATIAL DATA...

Ngày tải lên: 05/10/2013, 08:48

... 342 CHAPTER 11 WORKING WITH TEMPORAL DATA When a user submits new data or updates existing data, thereby altering date/time data in the database, the database should convert the data from the ... all data has some form of a temporal component, and every database developer will have to deal with times and dates again and again Managing temporal data successfully begins with an understanding ... ranges and storage requirements of each datatype is great; however, working with temporal data involves quite a bit more than that What developers actually need to understand when working with...

Ngày tải lên: 05/10/2013, 08:48

Ngày tải lên: 08/10/2013, 21:20

... things with others, think and reflect, and when we are upset and react Involvement in turn nurtures creativity Certain words and expressions have special connotations for me, e.g citizenship and ... different areas of expertise, perspectives and needs The many discussions, misunderstandings and mutual understanding, concrete negotiations over resources and time, and, on occasions, creative activities, ... activity involving several actors with different positions and functions, and with different views of and relations to what is to be developed The predominant understanding of what constitutes design...

Ngày tải lên: 04/11/2013, 20:15

... your messages are assigned categories, you can use smart grouping, search folders, and Advanced Find to find and view your messages Outlook includes a predefined list of categories, but you can ... message using rich text formatting In most cases, you need to double-click on the recipient's address and choose Send Using Rich Text Format in the Internet Format dialog The actual message format doesn't ... the Outlook editor Type your categories in the Categories field or click the Categories button and select from the Categories list Categories are not included when you send the message unless...

Ngày tải lên: 07/11/2013, 06:15

... representation, and the visualization of data and knowledge Nonstandard and incomplete data The data can be missing and/ or noisy These need to be handled appropriately Mixed media data Learning from data ... TO DATA MINING REFERENCES U Fayyad and R Uthurusamy, "Data mining and knowledge discovery in databases," Communications of the ACM, vol 39, pp 24-27, 1996 W H Inmon, "The data warehouse and data ... Chapter Multimedia data mining, including text mining, image mining, and Web mining, is dealt with in Chapter Finally, certain aspects of Bioinformatics, as an application of data mining, are discussed...

Ngày tải lên: 13/12/2013, 01:15

... business trends in collecting and cleaning transactional data and making them available for analysis and decision support Data mining works hand in hand with warehouse data Data warehousing is analogous ... sets, and their hybridizations, along with their roles in data mining We then present some advanced topics and new aspects of data mining related to the processing and retrieval of multimedia data ... actual data for mining This also increases the mining efficiency by reducing the time required for mining the preprocessed data Data preprocessing involves data cleaning, data transformation, data...

Ngày tải lên: 13/12/2013, 01:15