epub, pdf |eng | 2015-12-10 | Author:Bill Schmarzo [Schmarzo, Bill]

NOTE It is typical that 40 to 60 percent of the data warehouse processing load is performing ETL work. Off-loading some of the ETL processes to the data lake can ...

azw3 |eng | 2015-12-02 | Author:Linoff, Gordon S. [Linoff, Gordon S.]

Comparison of Hazards by Stops in Year in Excel The previous chapter showed two ways of comparing changes in survival probabilities over time. The first method was to use starts ...

epub, pdf |eng | 2015-12-02 | Author:Erik Rodriguez Pacheco [Pacheco, Erik Rodriguez]

The example shows just some of the statistics. The cluster.stats function may generate more. Hierarchical clustering with factors As mentioned in clustering techniques based on similarity and distance, these concepts ...

epub |eng | 2013-11-19 | Author:Kalen Delaney, Bob Beauchemin, Conor Cunningham, Jonathan Kehayias, Benjamin Nevarez & Paul S. Randal [Kalen Delaney, Bob Beauchemin, Conor Cunningham, Jonathan Kehayias, Benjamin Nevarez, and Paul S. Randal]

Introducing query processing and execution To better understand the factors that affect query performance, to understand how to spot potential performance problems with a query plan, and ultimately to learn ...

epub, pdf |eng | | Author:Robert Layton

However, the values are based on our weights, which are a similarity and not a distance. For a distance, higher values indicate more difference. We can convert from similarity to ...

epub, pdf |eng | 2014-12-29 | Author:Robbie Strickland [Strickland, Robbie]

Setting up the environment To get the most out of this chapter, you should prepare your development environment with the following prerequisites: Java Development Kit (JDK) 1.7 for your platform, ...

epub, pdf |eng | 2014-11-19 | Author:Ted Dunning & Ellen Friedman

Figure 3-6. Data flow for the direct blob insertion approach. The catcher stores data in the cache and writes it to the restart logs. The blob maker periodically reads from ...

epub, azw3, mobi, pdf |eng | 2015-03-24 | Author:Tom White [White, Tom]

Batching For efficiency, Flume tries to process events in batches for each transaction, where possible, rather than one by one. Batching helps file channel performance in particular, since every transaction ...

epub, pdf |eng | 2011-05-15 | Author:Alan Gates [Alan Gates]

Note In Pig 0.8.0, the logical optimizer and logical plan were completely rewritten. The new optimizer and plan are used by default in 0.8.0, but old ones are available as ...

epub |eng | | Author:Second Edition

Functions returning a record To return a record from a Python function, you can use: A sequence or list of values in the same order as the fields in the ...

epub |eng | 2013-12-13 | Author:Lander, Jared P. [Lander, Jared P.]

(Intercept) Units SqFt 4.093685e+01 -1.024579e-01 2.362293e-04 BoroBrooklyn BoroManhattan BoroQueens 3.394544e+01 1.272102e+02 3.040115e+01 BoroStaten Island Units:SqFt -8.419682e+00 -1.809587e-07 > house3$coefficients (Intercept) BoroBrooklyn BoroManhattan 4.804972e+01 3.141208e+01 1.302084e+02 BoroQueens BoroStaten Island Units:SqFt 2.841669e+01 ...

epub |eng | 2012-12-13 | Author:Good, Phillip I.

Exercise 6.5: List all possible sources of variation for your hypothetical experiment and describe how you will cope with each one. 6.2.4 Matched Pairs One of the best ways to ...

epub |eng | 2012-08-20 | Author:pramod j. sadalage & martin fowler [pramod j. sadalage]

7.3. Composing Map-Reduce Calculations The map-reduce approach is a way of thinking about concurrent processing that trades off flexibility in how you structure your computation for a relatively straightforward model ...

mobi, epub, pdf |eng | 2012-05-09 | Author:Tom White

epub, pdf |eng | 2012-09-25 | Author:Eric Sammer [Eric Sammer]

Example: 0700 See Example 6-5 for a sample hdfs-site.xml file configured for security. Example 6-5. Updating hdfs-site.xml to enable Hadoop security <?xml version="1.0"?> <configuration> <property> <name>dfs.block.access.token.enable</name> <value>true</value> </property> <!-- NameNode ...