III.选词填空in other words; to be frank; reduce by; suffer from;due to1. Cost has been reduced by 30% over the past year.2. To be frank, I think your son has little chance of passing the exam.3. It was a real prize due to its rarity and good condition.4. They asked him to...
1def reduce(iter, params):from disco.util import kvgroupfor word, counts in kvgroup(sorted(iter)):yield word, sum(counts)if __name__ == '__main__':job = Job().run(input=["http://discoproject.org/media/text/chekhov.txt"],map=map,reduce=reduce)for word, count...
[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs(); if (otherArgs.length < 2) { System.err.println("Usage: wordcount <in> [<in>...] <out>"); System.exit(2); } conf.set("fs.oss.accessKeyId", accessKeyId); conf.set("fs.oss.accessKeySecret", accessKeySecret...
In other words, for an absolute majority of countries nowadays, promoting urbanization is expected to help reduce the urban-rural gap and national inequality. Fig. 4: GDP per capita and the impact of urbanization on the urban-rural gap. This plots the impacts of urbanization on the urban-...
通过idea开发mapreduce程序并直接run,提交到远程hadoop集群执行mapreduce。 简要流程:本地开发mapreduce程序–>设置yarn 模式 --> 直接本地run–>远程集群执行mapreduce程序; 完整的流程:本地开发mapreduce程序——> 设置yarn模式——>初次编译产生jar文件——>增加 job.setJar("mapreduce/build/libs/mapreduce-0.1...
To find out, 144 Thai university students with no knowledge of the Patani Malay language learned 24 foreign words in a CALL program for receptive vocabulary learning. Word meanings were presented in line drawings, and their spoken forms presented by either one or three Patani Malay speakers. ...
Our abstraction is inspired by the map and reduce primitives present in Lisp and many other functional languages. We realized that most of our computations involved applying a map operation to each logical “record” in our input in order to compute a set of intermediate key/value pairs, ...
Sometimes, the default spacing between words in document can be too much. This can make your document look cluttered and difficult to read. If you want to reduce the space between words, you can do so in a few simple steps. In this article, we will show
On the other hand, MapReduce is used to aggregate/summarize data—for example, to count the number of words appearing in a document. The map operation breaks content into words: map(String key, String value): // key: document identifier // value: full text in the document for each word...
.println("Usage: wordcount <in> <out> [-skip skipPatternFile]"); System.exit(2); } Job job = Job.getInstance(conf, "word count"); job.setJarByClass(WordCount.class); job.setMapperClass(TokenizerMapper.class); job.setCombinerClass(IntSumReducer.class); job.setReducerClass(IntSumReducer.cl...