chapter 15  performance testing with junitperf

... ratio) and Hypothesis Testings 20 3.1 An introduction to Sharpe ratio 22 3.2 Hypothesis testing with Sharpe ratio 24 3.3 Hypothesis testings with the new performance ... a new performance measure in the next section 3.3 Hypothesis testings with the new performance measure 3.3 Hypothesis testings with the new performance measure 3.3.1 28 Introduction of some ... (U, T ) | t] = α (3.4) 3.3 Hypothesis testings with the new performance measure 33 and Eθ0 [U φ2 (U, T ) | t] = αEθ0 [U | t] 3.3.2 (3.5) Hypothesis testing with mean-variance ratio Let Xi and Yi...

Ngày tải lên: 30/09/2015, 14:23

... EVERYTHING: EVERYTHING=1 • mod_perl’s EVERYTHING and debug: EVERYTHING=1 PERL_DEBUG=1 After recompiling with the arguments of each of these groups in turn, we can summarize the results as follows: Build ... supports memory sharing The parent process is a little bigger, but it shares these memory pages with its child processes Of course, not all the memory will be shared, but most of it will This ... away, because there will be Apache modules and mod_perl options that you won’t be able to work without But as a good system administrator’s rule says: “Run the absolute minimum of the applications...

Ngày tải lên: 26/01/2014, 07:20

... 0.3 0.38 0.4 0.42 1.5 With GSCI Without GSCI M 0.42 M 0.41 0.34 0.09 0.5 2.5 3.5 4.5 5.5 Monthly Standard Deviation FIGURE 15.7 Optimal International Portfolios with and without Commodity Assets ... efficient frontier both with and without an investment in the GSCI Figure 15.7 from Satyanarayan and Varangis (1994) illustrates this approach The efficient frontier with commodity assets lies ... uncorrelated with each other to end up with a dampened-risk portfolio Diversification Figure 15.4 illustrates a commodity futures portfolio from June 2000, which combined hedge-pressure trades with weather-fear-premium...

Ngày tải lên: 03/07/2014, 23:20

... Product Use Testing?  Product use under normal operating conditions  Some terms:   Alpha testing: done in-house Beta testing: done at the customer site  Typical goals of beta testing: to ... Product Use Testing: Dry Idea Deodorant Figure 15.1    Process was anything but linear Gillette discovered flaws in product design through in-house “alpha testing and beta testing with users ... without a measurable specification  Testing is done too late in the new products process, which almost ensures that development time will be extended and production delays will occur Doing testing...

Ngày tải lên: 29/07/2014, 01:20

... a identifying each item in the population with a unique number b deciding the number of digits to use in the random number table and their association with the population numbering system c defining ... statistical sampling, is concerned with the number of a client’s sales invoices that contain mathematical errors, the auditor would most likely utilize: a random sampling with replacement b sampling ... uncover existing exceptions in the sample 81 easy Explain the difference between sampling with replacement and without replacement Which method is more common in audit practice? Answer: In replacement...

Ngày tải lên: 11/04/2017, 14:44

... 12.How might a partner withdrawing in violation of the partnership agreement and without the con-sent of the other partners be treated? What about a partner who is forced to withdraw? Business Ethics ... existing partners’ capital accounts When a partner withdraws from a partnership, any difference between the recorded value of the assets withdrawn and the withdrawing partner’s capital account is adjusted ... overvalued 12 A partner withdrawing in violation of the partnership agreement and without the other partners' approval is entitled only to his or her interest in the firm, without consideration...

Ngày tải lên: 11/04/2017, 14:56

... deal with uncertainty related to price risk? a b c d Statistical analysis Cost restructuring Hedging Insurance ANS: C DIF: Easy OBJ: 15-9 54 Which of the following strategies is used to deal with ... changed in the short run c are determined when capital investment is undertaken d always varies with sales ANS: A DIF: Easy OBJ: 15-5 24 Which of the following is not a factor that directly affects ... costs c variable costs only d committed fixed costs only ANS: B DIF: Easy OBJ: 15-5 32 Usually, with respect to a variable cost, optimal control is exerted when the cost a can be controlled prior...

Ngày tải lên: 11/04/2017, 15:07

Ngày tải lên: 31/08/2012, 16:51

... reproduced or distributed in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher KGP/KGP ISBN 0-07-136169-3 The sponsoring ... any errors, omissions, or damages arising out of use of this information This work is published with the understanding that McGraw-Hill and its authors are supplying information but are not attempting...

Ngày tải lên: 22/10/2012, 14:26

... 50 SIR0 a1 2/γ ⇒ N ≥ 9.4879 ∴ N = 10 G = 100 ξ=1 λ = 1.5 With no sectorization SIR = ξ 3G (Nc − 1)(1 + λ) = 4.7534 Nc = 26.2450 = 26 With sectorization, interference is reduced by a factor of ... decoded and subtracted easily so capacity grows with α as high SNR’s (beyond an α value) For low SNR values (α less than a value) c decreases with increase in α as interference is increased...

Ngày tải lên: 22/07/2013, 17:18

... achieved A finding on efficiency can be formulated by means of a comparison with similar activities, with other period or with a standard, which the entity has explicitly adopted, sometimes, standards ... the results obtained commensurate with the resources employed? • Effectiveness audit: are the results consistent with the policy? Are the results consistent with the policy? • Evaluation of the ... Forming a common basis for communication within the audit team and with SAI management concerning the nature of the audit; • Forming a basis for communication with the auditor’s management; • Forming...

Ngày tải lên: 05/08/2013, 11:07

... Initial place holder Experiment with other URLs for this frame (see right) Figure 15-1 shows the dual-frame browser window with the left frame loaded with a page from my Web site ... and its methods with extreme care Your design must be smart enough to “watch” what the user is doing with your pages (for example, by checking the current URL before navigating with these methods) ... location.pathname property is a single slash (/) character Any other pathname starts with a slash character, indicating a directory nested within the root The value of the location.pathname property also includes...

Ngày tải lên: 18/10/2013, 18:15

... * run completely by itself, without any human input Unit testing is about automation * determine by itself whether the function it is testing has passed or failed, without a human interpreting ... case studies 13.4 Testing for success The most fundamental part of unit testing is constructing individual test cases A test case answers a single question about the code it is testing A test case ... module Note unittest is included with Python 2.1 and later Python 2.0 users can download it from pyunit.sourceforge.net Unit testing is an important part of an overall testing- centric development...

Ngày tải lên: 20/10/2013, 10:15

... screaming for critical bug fixes) Unit testing is not a replacement for other forms of testing, including functional testing, integration testing, and user acceptance testing But it is feasible, and ... result with known input ok toRoman should give known result with known input ok fromRoman(toRoman(n))==n for all n ok toRoman should fail with non-integer input ok toRoman should fail with ... fromRoman should fail with blank string ok fromRoman should fail with malformed antecedents ok fromRoman should fail with repeated pairs of numerals ok fromRoman should fail with too many repeated...

Ngày tải lên: 24/10/2013, 09:15

... cost Realistic - response time requirements should be justifiable when compared with the durations of the activities within the business process the system supports Achievable - response times should ... Even with an environment which is somewhat different from the production environment, it should still be possible to interpret the results obtained using a model of the system to predict, with ... poor quality is unlikely to be successful If the software crashes regularly, it will probably not withstand the relatively minor stress of repeated use Testers will not be able to record scripts...

Ngày tải lên: 25/10/2013, 03:20

... Passive Testing With Hand-Held Field Testers There are currently three levels of hand-held field tester: Level 2e – for testing up to Class D Level – for testing up to Class E Level – for testing ... performance testing Level Testers This accuracy level is associated with the requirements of Class E testing Software upgrades are the mechanism used to keep the tester up to date with accuracy ... new plugs will have to be bought for use with the hand-held testers to obtain accurate PL test results This requirement only applies to PL testing Channel testing still uses the Vendor’s patch cords,...

Ngày tải lên: 26/10/2013, 19:15

... Passive Testing With Hand-Held Field Testers There are currently three levels of hand-held field tester: Level 2e – for testing up to Class D Level – for testing up to Class E Level – for testing ... performance testing Level Testers This accuracy level is associated with the requirements of Class E testing Software upgrades are the mechanism used to keep the tester up to date with accuracy ... new plugs will have to be bought for use with the hand-held testers to obtain accurate PL test results This requirement only applies to PL testing Channel testing still uses the Vendor’s patch cords,...

Ngày tải lên: 27/10/2013, 17:15