chapter 6  visualizing data with charts

... Simple Cheap Overhead of or bits per char (~20%) Good for data with large gaps (keyboard) Synchronous - Bit Level „ Block of data transmitted without start or stop bits „ Clocks must be synchronized ... Asynchronous ƒ Synchronous Asynchronous „ Data transmitted on character at a time ƒ to bits „ Timing only needs maintaining within each character „ Resync with each character Asynchronous (diagram) ... Requires one data path „ Full duplex ƒ Simultaneous transmission and reception between two stations ƒ Requires two data paths (or echo canceling) Traditional Configurations Interfacing „ Data processing...

Ngày tải lên: 16/02/2014, 08:20

... System .Data Architecture Program DataReader DataSet DataProvider DataAdapter Database VB.Net 2005 - Chapter Details: System .Data Architecture Program DataReader Action SQL Maintain data DataSet ... data DataSet Get data Command Object Maintain data Get data Connection Object DataAdapter Provider Database VB.Net 2005 - Chapter 6 Main Difference:DataSet-DataReader DataSet Data structure to ... Environment in ADO.NET ways using with ADO.NET Data Source Web Form Connection Data Adapter DataSet Windows Form Disconnectd Connected Data Source Web Form Connection Command DataReader Windows Form VB.Net...

Ngày tải lên: 13/05/2014, 12:19

... $type, $data) = get_html($url, $opt_p, $opt_i, $opt_l); if (not_good($code, $type)) { next; } if ($opt_i || $all) { print_images( $data, $url); } if ($opt_l || $all) { print_hyperlinks( $data, $url); ... added to the URI::URL object with a call to $self->{'url'}query( ) A new HTTP::Request( ) object is made with the URI::URL object as a parameter The request is issued with the call to $self->{'robot'}->request( ...

Ngày tải lên: 28/10/2013, 15:15

... prone to find links in slightly malformed HTML: my @rel_urls = grab_urls( $data) ; foreach $verbose_link (@rel_urls) { } With each iteration of the foreach loop, we process one link If we haven't ... 1; } my $root_url=shift @ARGV; # if there's no URL to start with, tell the user unless ($root_url) { print "Error: need URL to start with\ n"; exit(-1); } # if no "output" options are selected, ... RC_OK); next if ($response->header('Content-Type') !~ m@text/html@ ); my $data = $response->content; my @rel_urls = grab_urls( $data) ; foreach $verbose_link (@rel_urls) { my $full_child = eval { (new...

Ngày tải lên: 28/10/2013, 15:15

... growing without bound until all components are cached on disk It is also different from the data caches, the sizes of which you control through the $m->cache and $m->cache_self methods • data_ dir ... parameter Under normal circumstances you shouldn't concern yourself with this package name (almost everything in Mason is done with lexically scoped my variables), but for historical reasons you're ... set_global() method These let you declare and assign to variables in the package you specified with in_package, without actually needing to specify that package again by name You may also want to control...

Ngày tải lên: 14/12/2013, 12:15

... target within the files, but the manifest that accompanies the overlay in your package tells Mozilla which overlays are associated with which XUL files The part of the manifest that deals with ... interacts with, the communicator the default Mozilla browser (the syntax and structure is the same for all manifests, however) The manifest says, in effect, this is what I have here (the metadata ... functionally equivalent In both cases, the chrome registry reads all RDF/XML data and registers the package Because the manifest data format is RDF/XML, you can use either type of manifest in your own...

Ngày tải lên: 14/12/2013, 12:15

... it's not stored in a single place Rather, it is a distributed collection of data and interfaces for data manipulation The data itself generally lives in RDF files, many of which are in the chrome ... (like ZIP and JAR files) with a special script at the highest level that manages the installation A quick scan of the contents of a XPI file (which you can open using with any unzip utility) reveals ... Displays an Alert dialog box with a message and an OK button Method CancelInstall Description Aborts the installation of the software Displays a Confirm dialog box with Confirm the specified message...

Ngày tải lên: 14/12/2013, 12:15

... executables and software into any location on the local machine As with Mozilla application installs, you use an installation script within a XPI to initialize the installation, add the files you ... distributing for your package, make the JAR file (xfly.jar) the top level, with the content, skin, and locale directories contained within: xfly.jar content skin locale The URLs you used to refer to ... machine, and registers it with the chrome registry When the user restarts the browser, the xFly application is integrated into Mozilla and ready for use The user can access it with any overlays that...

Ngày tải lên: 14/12/2013, 12:15

... occurrences of / with :: and with _2e That’s how mod_perl knows which script should be fetched from the cache on each request—each script is transformed into a package with a unique name and with a single ... on how your program is using the data passed to it For example, taint checks prevent your program from passing some external data to a system call without this data being explicitly checked for ... collide with an existing standard package Even though a package with the same name may not exist in the standard distribution now, in a later distribution one may come along that collides with a...

Ngày tải lên: 21/01/2014, 06:20

... Introduction to Data Mining 34 Alternative Methods for Frequent Itemset Generation Representation of Database – horizontal vs vertical data layout © Tan,Steinbach, Kumar Introduction to Data Mining ... to Data Mining D=>ABC 48 Effect of Support Distribution Many real data sets have skewed support distribution Support distribution of a retail data set © Tan,Steinbach, Kumar Introduction to Data ... projected database of its ancestor node – Bitvector containing information about which transactions in the projected database contain the itemset © Tan,Steinbach, Kumar Introduction to Data Mining...

Ngày tải lên: 15/03/2014, 09:20

... solution is given directly without using further recursion 29 Recursion Every recursive process consists of two parts: Some smallest base cases that are processed without recursion A general ... for each vertex in the tree, except for the leaves with count = 0) 46 The Towers of Hanoi The depth of recursion is 64, not include the call with count = which nothing Total number of moves: ... Remembering partial computations: computers can easily keep track of such partial computations with a stack, but human mind can not  It is exceedingly difficult for a person to remember a long...

Ngày tải lên: 15/03/2014, 17:20

... a put with a higher strike, say, and selling a put with a lower strike Again that means you are buying an option with a lower implied volatility than the one you are selling The problem with these ... That is, you would buy a call with a lower strike price and sell a call with a higher strike price Since there is a forward skew, this means that you are buying a call with a lower implied volatility ... 1987 This data is very typical of the skew that has lasted for over eight years Note that we have not labeled the options in Table 6.1 as puts or calls That is because a put and a call with the...

Ngày tải lên: 03/07/2014, 19:20

... MARKET FORECASTS Goal Data From Target Market Data From Related Markets Neural Networks Trend Forecasts and Price Forecasts Single-market technical data and intermarket data from related markets ... identifies nonlinear relationships within the data from repeated exposures to the input data Learned information is stored by the network in the form of a weight matrix, with changes in the weights ... network is not limited to single-market technical data inputs A neural network is excellent at applying intermarket data (as well as fundamental data) to market forecasting For instance, for a...

Ngày tải lên: 04/07/2014, 13:20

... it needs sequentially in a clockwise direction from the circle beginning with the number at the spinner’s starting point With this image in mind, you can think of the Random number generation options ... that is referenced by another formula ES mode will not work with the strings ‘‘Yes’’ or ‘‘No,’’ but works fine if you replace these with and 0, or the Excel Boolean values TRUE and FALSE Consult ... you are satisfied with your model, you can disable storage to help Crystal Ball run the model faster It turns out that having highly correlated assumptions can sometimes interfere with sensitivity...

Ngày tải lên: 05/07/2014, 18:20

... much," said Tommy with satisfaction "How like a woman! No foresight! Now just stand aside, and see how easily the mere male deals with the situation." He pressed the bell Tuppence withdrew to a suitable ... move round without a footman or a maiden aunt I guess I'm a bit behind the times!" The upshot of these confidential relations was that Tommy and Tuppence took up their abode forthwith at the ... installation, "to work!" Mr Beresford put down the Daily Mail, which he was reading, and applauded with somewhat unnecessary vigour He was politely requested by his colleague not to be an ass "Dash...

Ngày tải lên: 05/07/2014, 18:20

... confuse a pooling of independent cross sections with a di¤erent data structure, panel data, which we treat starting in Chapter Briefly, in a panel data set we follow the same group of individuals, ... because, with a small number of strata and many observations within each stratum, the asymptotic analysis makes sense only if the number of observations within each stratum grows, usually with the ... A model with strata-level covariates and within-strata correlation is yis ¼ x is b þ zs g þ qs þ eis ð6:34Þ where i is for individual and s is for stratum The covariates in x is change with the...

Ngày tải lên: 06/07/2014, 08:20

... the map being assessed Data entry errors Data entry errors are common in any database project and can be controlled only through rigorous quality control Developing digital data entry forms that ... fields can catch errors during data entry One of the best (yet most expensive) methods for catching data entry errors is to enter all data twice and then compare the two data sets Differences usually ... the classification scheme to the map or reference data; a common occurrence with complex classification schemes If the reference data is in a database, then such errors can be avoided or at least...

Ngày tải lên: 11/08/2014, 06:22

... Rotary (with Air) Not recommended Type of Formation Direct Rotary (with Fuids) Direct Rotary (Down-the-Hole Air Hammer) GROUNDWATER 6-25 Table 6C.11 Description of Drilling Methods Methods Without ... From technologyinfomine.com With permission q 2006 by Taylor & Francis Group, LLC 6-28 THE WATER ENCYCLOPEDIA: HYDROLOGIC DATA AND INTERNET RESOURCES Table 6C.12 Data on Standard and Line Pipe ... Aquifer models D Climatic Data Precipitation Temperature Evapotranspiration E Surface Water Use Quality Runoff distribution, reservoir capacities, inflow and outflow data Return flows, section gain...

Ngày tải lên: 11/08/2014, 21:21