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3.3 calculation relative frequency
Let's talk about pairs and stripes.AlgorithmAnd then build a reproduction matrix m on a large dataset. Recall that in this large n × n matrix, when n = | v | (Dictionary size), the element mij contains the number of times that word WI and WJ appear together in a specific context. The disadvantage of the unrestricted count is that it does not take into account the fact
Basic for automatic text classification-Term Frequency Calculation Method
It is said that the number of documents on the Internet is growing by 1 million every day. Such a large growth may take one month or more to patronize your website. So if you have optimized your webpage today, you will be watching Google's response one month later. This was the age of information explosion. When the Internet was just
multiplier factor of 2, the integer multiples, the maximum of MHz. To improve the efficiency of data calculation, we set the system clock to 72MHz, (PLL 9 times octave). Then pclk2=72mhz,pclk1=36mhz;We have a dedicated programmable prescaler for the ADC clock by setting the clock configuration register (RCC_CFGR), which divides the PCLK2 8 as the ADC clock, then the ADC clock frequency is 9MHzFrom the manu
Calculation of the frequency of accidents in DNV. leak. v3.2 1cd Petrochemical PlantThe NV quantitative risk assessment software was independently developed by DNV of Norway and has been widely used all over the world. DNV software mainly includes safeti and leak software. WhereThe leak software is mainly used to calculate the frequency of accidents in various pe
of references (citations)
(ii) Methods for calculating the JCR indices
Four indices, such as "Impact Factor", "Immediacy Index", "cited Half life" and "citing half", are defined in JCR, and the following calculations are based on the 1996 science Magazine as an example to explain the calculation methods of various indices. Brief introduction of periodical partitioning method: The influential factors of sci-tech periodicals (if,impact Factor) and the
Weight calculation and slight modification can also be used for word segmentation, word frequency statistics, full-text and spam detection, etc.
Efficiency is very objective. I cannot guarantee efficiency if you change it to other functions.
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back to the original stringCount = 0;TempStr = str;}Change the value of map to a listAl= map.values ();And then into the arrayInteger[] Stringcount =al.toarray (new integer[]{});int countlength=stringcount.length;Sort by ascendingArrays.sort (Stringcount);Get the maximum value of the arrayint max=stringcount[countlength-1];for (String S:set) {for (int i=0;iIf the value of map is the same as the maximum value, the outputif (Map.get (s) ==max) {SYSTEM.OUT.PRINTLN (S + ":" + max);}}}}public static
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