their own money to buy, under the tree there is not a big chicken outhouse, outhouse in front of the two black dogs, there are strangers passing, will call up, feel afraid to close to it.The front of the village is a very big two acres of pond, heard that the pond is his home before a family neighbor Weifang uncle contracted, Weifang Uncle has two sons, the big son has been out of social work for two years, the youngest Argentine, still reading second day grade, Weifang de Zhi a back to the cou
system is measured; recall is the ratio of the number of related documents retrieved and the number of related documents in the document library, which is measured by the recall of the retrieval system.
In general, precision is the number of items retrieved (such as documents, Web pages, etc.) that are accurate, and recall is how much of the exact entries have been retrieved.
The correct rate, recall rate and F value are the important evaluation indexes of the target in the mixed environ
The accuracy rate, recall rate, and F value are important evaluation indicators of the target in a mixed environment. In this paper, these three indicators are favored.
Let's take a look at the definition of these indicators first:
Accuracy Rate = Total number of correctly recognized individuals/total number of identified individuals
Recall rate = Total number of correctly recognized individuals/total number of individuals in the test set
F value = accuracy * recall rate * 2/(accuracy rate +
the user experience, should study the user's information search behavior, and then set the information matching way, today mainly said the user's information search behavior, the website information matching way continues to pay attention to.
What kind of information needs do users have?
As a child, the teacher often told us the story of monkeys breaking corn, said a monkey down the mountain saw a large area of corn, broke a corn hold in the bosom, continue to go before, and saw the watermelo
and use this file:
Now that we know how to integrate logs and HTML pages, the rest is how to receive and resolve messages that the client delivers to the server. I used an acceptable CGI script to do this, and in this script I used xml::simple (one of my favorite modules) to parse the submitted data and write the results directly to the error log of the HTTPD (HTTP service program) using Cgi::carp. This way your system administrator will not have to
This time we have some very small things, rather small. But first tell a story:This evening, you plan to go out to the next restaurant, to move, to find a new shop to sit down, the waiter very attentive to come over and ask you want to eat something.You ask, "Do you have anything good to eat?" ”A: We have soybean and edible Colony Group Brewing agent and Carassius auratus common high-temperature heating products; soybean protein by magnesium chloride, calcium sulfate, chloride and sodium chlorid
of precision and recall, and b>1 indicates more emphasis on p
E =1-(b^2 + 1)/(1/p + b^2/r)
=1-(b^2+1) *p*r/b^2*p +r)
Example: There are 1400 carp, 300 shrimp and 300 turtles in a pond. Now for the purpose of catching carp. Sprinkle a big net, caught 700 carp, 200 shrimp, 100 turtle. So, these indicators are as follows:
Accuracy = 700/(700 + 200 + 100) = 70%
what kind of monkeys? Do they know what information they are looking for?The general website will be the user's search behavior is divided into four kinds: deterministic search, exploratory search, no omission of search, repetitive search.Deterministic SearchWhat is a deterministic search? Give me an example of life, this weekend I want to go to the market to buy a carp home braised, crucian carp is I go t
owner of each house is different; ⒊ 5 each person drinks only one beverage, smokes a brand of cigarettes, raises a pet; 4. No one has the same pet, smokes the same brand of cigarettes, drinks the same drink.Tips:*⒈ the British live in a red house;*⒉ a Swede to raise a dog;*⒊ the Danes for tea;*⒋ Green House on the left of the White House;*⒌ Green house owner drink coffee;*⒍ Smoke Pall Mall people to raise birds;*⒎ Yellow house owner smoked Dunhill Sm
) {Adding custom propertiesErr.location = Location.href + ', function:foo () ';Logger.log (ERR);Warnuser ();}}function Warnuser () {Alert ("An error has occurred while processing this page.") + "Our engineers have been alerted!");Location.href = '/path/to/error/page.html ';}Now that you know how to integrate a logger into an HTML page, the rest of the work is to define a way to receive and convert messages. I chose to use the lowest common naming method, creating a CGI script in Perl that used s
饽 饾 hungry 馂 guo 馄 stuffing Hall Zha feed 馉 Sour greedy 馌 馎 famine of the dishes eels the of the San cuisine the horse riding on the piggyback naan Panyo the donkey 驲 drive Zang 驷 colt Consort in Camel Zou Drive crossbow aweary scold Xiao Pride hua houyhnhnms 骆骇骈 Li Cheng Inspection dairies 骎 June qi 骒 骓 骔 su 骖 cheat stallion 骙 Sao Wu ao Liu Qian gelding Puma Mule Cong 骣 Shuang longchamp crossbones hip patellar sideburns Smile pixy fish 鱽 鱾 squid puffer Lu Ying wahoo Flounder Catfish seabass ro
:
will make the system look complicated, unfriendly to the novice, not a certain abstraction of the design ability is difficult to understand.
Usage scenarios:
There are two independently varying dimensions for a class, and these two dimensions need to be expanded.
Other music recommendations
NetEase Cloud Netizen Evaluation (PS: The original can not generate outside the chain, recommended to listen to the original):
Hibiscus painter Shallow Brook, living in Taian, X
finished small food, naturally without hard vegetables, double ninth season the biggest hard dish is this extremely fertile crab, Xiangyun host to do the feast, the main dish is crab, this crab is Xue Bao Chai, the original said Jia Fu people, "from the old lady up even on the garden, there are more than half are love to eat crabs." Therefore, there is no better life than to enjoy the sweet-scented osmanthus eating crab in the ninth season.This crab is Xue Bao chai brother Xue Pan from outside
15.010 what is the difference between transparent, translucent, And blended primitives?
A transparent physical material shows objects behind it as unobscured and doesn' t reflect light off its surface. clear glass is a nearly transparent material. although glass allows most light to pass through unobscured, in reality it also reflects some light. A perfectly transparent material is completely invisible.
A translucent physical material shows objects behind it, but those objects are
morning. I said a few words to Julia this morning. He smoked many cigarettes a day until he gave up. He did not quit smoking and smoked smoked many. (2) often used in the past with the expression of the past time adverbial or clause, such as: Yesterday,last week, in the past, in 1993,at that time,once,during the War,before,a day A Go,when and so on.NoteWhen it c
poured into the root of the plant to promote plant growth. The residual tea leaves can be dried and burned and smoked in the toilet or ditch to eliminate the foul smell, it has the function of getting rid of mosquitoes and flies.
6. Cooked Rice re-cooking method: If it is rice, you can use chopsticks to tie some holes through the bottom of the pot into the rice, and sprinkle a little yellow rice wine re-cooking. If only the surface is sandwich, you o
Five people come from different places, live in different houses, raise different animals, smoke different brands of cigarettes, drink different drinks, and like different foods. Identify who is the cat-raising person based on the following clues
1. The Red House is on the right of the Blue House and on the left of the White House (not necessarily close to each other)2. The owner of the yellow house is from Hong Kong, and his house is not on the far left.3. People who love pizza live next to tho
: what we do every day is dangerous jobs such as explosives and gunpowder, the danger is always there. Smoking makes me easy. Why don't I suck? Maybe I will see God one day. A worker said: It's quite comfortable to work with smoke all day long; an enterprise manager said: I have to make a lot of important decisions every day. The pressure is high and smoking can relieve the pressure. However, if there is no such fire in ancient times, no one will find the burning smell of tobacco leaves, or ther
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