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http://www.sai.msu.su/~megera/wiki/GinTest.
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1. Zen: GinTest
Hide Zen home . ... GIN . ... Index . ... MAXNUM - the number of rows . ... table size :26312704, index size =33923072 =# explain analyze select * from tt where a @ '{2}'; QUERY PLAN --------------------------------------------------------------------------------------------------------------------- Bitmap Heap Scan on tt ( cost =6.35..349.75 rows =100 width=226) ( actual time =6.529..42.784 rows =9371 loops =1) Recheck Cond: (a @ '{2}'::integer[]) - Bitmap Index Scan on gin _idx ( ...
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Ссылки http://www.sai.msu.su/~megera/oddmuse/index.cgi/GinTest -- 10.9 Кб -- 11.04.2016
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2. high resolution decimation test
... Overplot the 20 bandpasses normalized to 1 sec (.ps) ( .pdf ): . ... Mean power, voltage, and spectral jumps vs decimation (.ps) ( .pdf ) . ... The mock spectrometer has a high resolution mode that will digitally filter the input bandwidth from 2 to 1024 in steps of 1. ... For each decimation, the input rms levels was to so that 30 counts=1 sigma. ... The plots show the results of the test: . ... Top mean power vs decimation normalized to the mean power with no decimation (dec=1). ... No decimation ...
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Ссылки http://www.naic.edu/~phil/hardware/pdev/decimationTest_20may10.html -- 7.6 Кб -- 24.05.2010
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3. READBACK TESTS
Next: TAPE CHANGES Up: Tape Management Previous: NUMBER of PASSES Contents . ... On the VLBA and Mark IV systems, this is done any time there is a gap of longer than about 2 minutes per tape (actually somewhat less). ... It is in the interests of both the individual project and of overall system maintenance for occasional gaps to be inserted in all projects for readback tests to be done. ... Next: TAPE CHANGES Up: Tape Management Previous: NUMBER of PASSES Contents Craig Walker 2014-04-14 ...
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Ссылки http://www.atnf.csiro.au/people/Tasso.Tzioumis/sched/READBACK_TESTS.html -- 5.2 Кб -- 10.04.2016
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4. The AstroStat Slog powerful test
... Posts tagged ?powerful test? ... Some cases, I know actual statistical tests to support or to dissuade those claims. ... Tags: emprical data analysis , eyeballing , powerful test . Category: Bad AstroStat , Cross-Cultural , Data Processing , Jargon | 2 Comments . ... Entries RSS . Comments RSS . ... vlk on [MADS] Parallel Coordinates . upvc windows on [MADS] Parallel Coordinates . ... Alfred Inselberg on [MADS] Parallel Coordinates . ... Entries (RSS) and Comments (RSS) . ...
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