This chapter shows how decision trees work. The examples use Weka data-mining tool to create a working decision tree that will also create the Java code for you. Every tree is comprised of nodes. Decision trees always start with a root node and end on a leaf. The chapter explains where ...
1.TheBenefitsofDecisionTreeDiagrams Decisiontreesareusuallyusedinthecontextofidentifyingastrategymostlikelytoreachagoal,by modelingdecisionsandprobableoutcomes.Inpresentations,decisiontreescanbeusedtodisplay therationalebehindadecisioninawaythatlet’stheaudiencebetterseewherethefactorscometo ...
“I saw a fish growing out of a tree," she said, “and rabbits in the river, and then my 15 found a box of gold coins. " Of course, nobody believed her!1. A. whom B. who C. whose D. which2. A. prevent B. promise C. progress D. practice3. A.at B.in C. for D.on...
根据最后一段中的“a fish growing out of a tree”可知,所缺的词是 growing“生长” 。 48. A 【解析】考查形容词。 根据设空前的"His wife opened her eyes wide”可知,伐木工的妻子很是惊讶,故 surprised“惊奇 的,惊讶的”符合文意。 excited“兴奋的,激动的”;moved“感 动的” ;tired“疲倦的,...
complain to sb. about sth. 向某人抱怨某事make a complaint to sb. about sth.向某人抱怨某事19. Now that both of my grandparents have retired from their jobs in the city, how they are going to spend their retirement is an important decision for them. 既然我的祖父母都已经从城市的岗位中退休...
They didn’t have a special day to plant trees like Tree Planting Day,___1__the tradition of planting trees has been there for a long time. Back then, it was always__2__(rain) around the Qingming Festival in sp...
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All of that pales next to their decision in theCemexcase. Thatdecision ordered the cement company to bargain with the Teamsters because its unfair labor practices tainted the election so severely that a fair rerun would be impossible. The ruling offers an path to union recognition without an ele...
A.visit访问;B.try尝试;C.thought思想;D.decision决定。句意:但我的同事认为值得一试。根据上文Some of the staff suggested I do a sponsored tree huggathon.可知,目前只是提出建议,还没有实行,此处是指同事认为值得一试。故选B项。(6)C.考查副词及语境理解。A.carefully仔细地;B.straight直接地;C.far远...
完形填空主题: 聪明的伐木工语篇类型:记叙文建议用时:7分钟人与社会 A woodcutter(伐木工) was working in the forest one day when he found a box full of gold coins.1_, his wife was the kind of woman who could not keep a secret.Somehow, he knew he had to 2 her from talking about the...