chapter 1  data science and data tools

... What Is Chemistry? • Observation: is sand different than water • Test the similarities and differences between sand and water Composition Types & number of atoms, structure, ... Hill 11 Do we need science? A history lesson in science • A key feature of science are it’s experiments • Experiments must be duplicated by other’s!!! • Galileo (1564 - 1642) and Newton (1642 1727) ... Chemistry • Curiosity and your imagination are your allies Explore and investigate • Quantify and calculate Even small differences can be important! • Commitment Work regularly and carefully Chemistry,...

Ngày tải lên: 27/11/2013, 21:11

... Finance and Business  Finance: the art and science of managing money  Two broad areas: – Financial Services: the design and delivery of advice and financial products to individuals, business and ... governance, the role of ethics and the agency issue  Understand the financial institutions and markets and the role they play in managerial finance  Discuss business taxes and their importance in ... evaluate the accounting data and make decisions based on assessment of the associated risk and returns – Accountants: focused on the collection and presentation of financial data Copyright © 2011...

Ngày tải lên: 16/12/2013, 14:45

... (http://localhost/cgi-bin/hello.pl) and the data part (username=Doug, called the QUERY_STRING) All we have to is parse the data portion of the URI and extract the key username and value Doug The GET method ... are loaded and compiled only once, when they are first used This can be a double-edged sword: persistence means global variables aren’t reset to initial values, and file and database handles aren’t ... parsing input data There are a few ways to pass data to the scripts, but the most commonly used are the GET and POST methods Let’s write a script that expects as input the user’s name and prints...

Ngày tải lên: 21/01/2014, 06:20

... underlying and interface 9/14/2009 ©2009, CE Department Chapter — Computer Abstractions and Technology — 20 dce 2009 A Safe Place for Data • Volatile main memory – Loses instructions and data when ... operations on data • Control: sequences datapath, memory, • Cache memory – Small fast SRAM memory for immediate access to data 9/14/2009 ©2009, CE Department Chapter — Computer Abstractions and Technology ... representation – Binary digits (bits) – Encoded instructions and data 9/14/2009 ©2009, CE Department Chapter — Computer Abstractions and Technology — 12 dce 2009 Components of a Computer The BIG...

Ngày tải lên: 03/07/2014, 11:20

... Governance and Corporate Ethics • Business and market require trust and transparency to operate efficiently - Without trust additional laws and regulations are required • All laws and regulations ... between risk and return? 1-12 Separation of Ownership and Management • Large size of firms requires separation of ownership and management - In 2008, GE had over $800 billion in assets and over 650,000 ... Governance and ethics failures have cost our economy billions - Eroding public support and confidence in market based systems 1-14 Corporate Governance and Corporate Ethics • Accounting Scandals...

Ngày tải lên: 03/02/2015, 15:01

... of full data matrices Because we will rely heavily on random sampling, it is important to know what it allows and what it rules out Random sampling is often reasonable for cross section data, where, ... expectations 1.2 1.2.1 The Stochastic Setting and Asymptotic Analysis Data Structures In order to give proper treatment to modern cross section and panel data methods, we must choose a stochastic ... treat explanatory variables as random for modern econometric analysis We should not confuse the random sampling assumption with so-called experimental data Experimental data fall under the fixed explanatory...

Ngày tải lên: 06/07/2014, 08:20

... review the use of databases, geographic information systems (GIS), data reporting and metadata Data repositories and availability vary around the world and range in ease of access and usability The ... data; † Promote accuracy of data through validation and verification; † Promote consistency of data querying and reporting; and † Understand the role of metadata in GIS The data presented in this book ... all the facets of data management and database theory here However, it can be said that the relational database model overwhelmingly dominates large-scale data management and database theory For...

Ngày tải lên: 11/08/2014, 21:21

... KDD tools It will show how to achieve success in understanding and exploiting large databases by: uncovering valuable information hidden in data; learn what data has real meaning and what data ... [3], and Chapter is with [13] Knowledge Discovery and Data Mining Chapter Overview of knowledge discovery and data mining 1.1 What is Knowledge Discovery and Data Mining? Just as electrons and ... associations, visualization; and change and deviation detection/modeling in data and knowledge 10 Problem Identification and Definition Obtaining and Preprocessing Data Data Mining Extracting Knowledge...

Ngày tải lên: 14/08/2014, 02:21

... 20 Accounting and Finance • Inputs • Payments from customers • Accounts receivables data • Accounts payables data • Sales data • Production and inventory data • Payroll and expense data • Outputs ... Second Edition 13 Lemonade Stand Functional Areas • Accounting and Finance • Recording raw transaction data • Sales, raw material purchases, payroll, cash receipts • Provide data for sales forecasting, ... Concepts in Enterprise Resource Planning, Second Edition 16 Marketing and Sales • Inputs • Customer data • Order data • Sales trend data • Per-unit cost • Outputs • Sales strategies • Product pricing...

Ngày tải lên: 14/04/2016, 12:27

... example, the DataSet classes System .Data. Common Utility classes and interfaces that are inherited and implemented by NET data providers System .Data. SqlClient SQL Server NET Data Provider System .Data. OleDb ... XxxTransaction XxxTransaction XxxCommand XxxCommand DataSet DataSet Recordset Recordset ADO.NET ADO Connection Connection XxxDataReader XxxDataReader XxxDataAdapter XxxDataAdapter *****************************ILLEGAL ... ! DataSet classes ! NET data provider classes The DataSet classes The DataSet classes allow you to store and manage data in a disconnected cache The DataSet is independent of any underlying data...

Ngày tải lên: 24/01/2014, 10:20

... Note The tasks of data transfer and signaling are separated in modern telephone networks: data transfer is done by one network, signaling by another 9.7 Figure 9.4 Data transfer and signaling networks ... Standards 9.10 Figure 9.6 Telephone line bandwidth 9.11 Note Modem stands for modulator/demodulator 9.12 Figure 9.7 Modulation/demodulation 9.13 Figure 9.8 The V.32 and V.32bis constellation and ... discussed in this section: Bandwidth Sharing CM and CMTS Data Transmission Schemes: DOCSIS 9.30 Figure 9.16 Division of coaxial cable band by CATV 9.31 Note Downstream data are modulated using the...

Ngày tải lên: 16/02/2014, 20:20

... Increment and Decrement • The increment and decrement operators use only one operand • The increment operator (++) adds one to its operand • The decrement operator ( ) subtracts one from its operand ... Variables and Assignment Primitive Data Types Expressions Data Conversion Interactive Programs Graphics Applets Drawing Shapes © 2004 Pearson Addison-Wesley All rights reserved 2-17 Primitive Data ... Data and Expressions • Let's explore some other fundamental programming concepts • Chapter focuses on:         character strings primitive data the declaration and use of variables...

Ngày tải lên: 06/03/2014, 10:21

... Introduction to Data Mining 28 Challenges of Data Mining Scalability Dimensionality Complex and Heterogeneous Data Data Quality Data Ownership and Distribution Privacy Preservation Streaming Data © Tan,Steinbach, ... dimensionality of data – Heterogeneous, distributed nature of data © Tan,Steinbach, Kumar Introduction to Data Mining Statistics/ AI Machine Learning/ Pattern Recognition Data Mining Database systems Data ... generating terabytes of data Traditional techniques infeasible for raw data Data mining may help scientists – in classifying and segmenting data – in Hypothesis Formation Mining Large Data Sets - Motivation...

Ngày tải lên: 15/03/2014, 09:20

... MULTIVARIATE DATA ANALYSIS IN SENSORY AND CONSUMER SCIENCE MULTIVARIATE DATA ANALYSIS IN SENSORY AND CONSUMER SCIENCE F N PUBLICATIONS IN FOOD SCIENCE AND NUTRITION P Books MULTIVARIATE DATA ANALYSIS, ... MULTIVARIATE DATA ANALYSIS IN SENSORY AND CONSUMER SCIENCE Garmt B Dijksterhuis, Ph.D ID-DLO, Institute for Animal Science and Health Food Science Department Lely stad The Netherlands FOOD & NUTRITION ... Montville and D.G Hoover JOURNAL OF TEXTURE STUDIES, M.C Bourne and M.A Rao Newsletters MICROWAVES AND FOOD, R.V Decareau FOOD INDUSTRY REPORT, G.C Melson FOOD, NUTRITION AND HEALTH, P.A Lachance and...

Ngày tải lên: 17/03/2014, 02:20

... DATA HANDLING IN SCIENCE AND TECHNOLOGY -VOLUME Advanced scientific computing in BASIC with applications in chemistry, biology and pharmacology DATA HANDLING IN SCIENCE AND TECHNOLOGY ... Applications in Chemistry, Biology and Pharmacology by P Valk6 and S.Vajda DATA HANDLING IN SCIENCE AND TECHNOLOGY -VOLUME Advisory Editors: B.G.M Vandeginste, O.M Kvalheim and L Kaufman Advanced scientific ... HIE REM DATA I88 RE! (VECTOR DIHENSION, NUHBER O VECTORS) F 118 DATA 5, 112 DATA 2,-1, 2,-2, 1, 114 DATA I, Z,-l, 1, 2, I16 DATA -1,-2, 3,-5, 1, 118 DATA 3, 1, l,-l, 3, 128 DATA 1,-3, 5,-7,...

Ngày tải lên: 22/03/2014, 23:20

... states Analog data take on continuous values Digital data take on discrete values Topics discussed in this section: Analog and Digital Data Analog and Digital Signals Periodic and Nonperiodic ... transmitted, data must be transformed to electromagnetic signals 3.2 3-1 ANALOG AND DIGITAL Data can be analog or digital The term analog data refers to information that is continuous; digital data refers ... Periodic and Nonperiodic Signals 3.3 Note Data can be analog or digital Analog data are continuous and take continuous values Digital data have discrete states and take discrete values 3.4 Note Signals...

Ngày tải lên: 29/03/2014, 11:20

... Connection Command Data Adapter SelectCommand InsertCommand UpdateCommand DeleteCommand DataReader Generic classes Connection Command DataReader DataAdapter DataSet Core ADO.NET Namespaces System .Data ... Connection methods And … Questions? 10 Lesson 2: Connecting to Data Using Connection Objects Opening and Closing Data Connections Connection Events Opening and Closing Data Connections Open and Close ... Disconnected dataset Introdution to ADO.NET Introdution to ADO.NET XML is an industry standard XML is an industry standard format for storing and format for storing and transferring data over transferring...

Ngày tải lên: 13/05/2014, 12:19

... abstraction provides specialized tools for dealing with data sets: databases and a query language for organizing data Chapter presents a new syntax for talking to a database, Structured Query Language ... out bad data, join together data from multiple sources, and aggregate data into group means and sums C matrices are appropriate for ltering operations like those from earlier that took in data, ... int i, test_ct = 5e6; double data[ ] = { 30, 86, 24, 38 }; apop _data *testdata = apop_line_to _data( data,0,2,2); for (i = 0; i< test_ct; i++) apop_test_sher_exact(testdata); } Listing 1.5 C code...

Ngày tải lên: 11/06/2014, 13:32

... variety and commonality of data sources, methods, and issues faced when studying and developing understanding of land use change Land use and land cover change reflect a variety of environmental and ... 1.2  BASic SciENcE 1.2.1  YNAMICS Of CHANGE IN SPACE AND TIME D Land use and land cover changes are inherently spatial and dynamic The magnitude and impact of changes in land use and land cover ... operate to shape and change land For example, not only land cover and land use reflect e ­ nvironmental systems and the opportunities and constraints they provide, but land cover and land use also...

Ngày tải lên: 18/06/2014, 16:20

... Commonly Required Data Commonly required data needs for both an EA and EIS include • • • • • • • • • • • project design and engineering data; environmental protection standards; land use including ... infrastructure, and rights-of-way; geology and soils; surface water and groundwater hydrology (water quality and quantity); air quality; habitat and species; threatened and endangered species; wetlands; ... Professor Daniel Mandelker, author of the textbook NEPA Law and Litigation Dr Mandelker conducted a legal review on much of this book and provided detailed comments on Chapters 5, 6, and Keith Bradley...

Ngày tải lên: 18/06/2014, 19:20