跳出框拥抱非结构化数据

>>12345>sapply(iris,>sapply(iris,>[1]5.04.44.9dimension>atomic••••••dimension>atomic••••••data>1>12>线性型非线线性型非线模机器习算…结构化数Computer非结构结构化数Computer非结构化数reading,music,moviessports,musicmovies,R:2,C#:4,R:3,Java:2,C++:51231234567111223312312312345671112233123456789111222333243325142[{"Name":"Ken","Age":24,["Expertise":"R":"CSharp":"Python":}]）--）----243#R=====#R=======)数据积累过根据数据积累过根据需要收集数全面收集数数据类型变{{}====-/typePerson{FirstName:stringLastName:stringBirthDate:DateTimeChildren:Personlist}letpersons=//...loadsomedataletavgAge=List.filter(funp->p.LastName=List.sortBy(funp->-List.averageBy(funp->(DateTime.Now-p.BirthDate).TotalDays/对对象中的元素进行映射（mapping）提供一系列高阶函数，可以方便地筛选（filtering）、分组（grouping）、排序（sorting）、合并（joining）（updating）、搜索（searching）以及其他常用操作对管道操作（pipeline）友好，方便非结构化数据处理的流程化整合多种非结构化数据源的读写方法，方便接入数据源和输出数合理利用R的元编程特性，简化使用Age:25Age:24Age>=25->list.filter(data,Age>=25->list.filter(data,Age>=25->Age:25Age:25Age:24当envir当envirlist时上一级符号搜索环境>.2135792>.2135792468>>>.>.012>.+555>ab>.+555>abc筛选list.filter,list.find,list.findi,list.first,list.take,list.skip,list.takeWhile,筛选list.filter,list.find,list.findi,list.first,list.take,list.skip,list.takeWhile,list.skipWhile,list.which,list.any,list.count,排序list.order,合并list.join,数据读写list.parse,list.load,list.save, list.append,list.prepend,list.reverse,list.zip,list.rbind,list.cbind,list.stack,list.flatten,s,list.sample搜索 list.group,list.ungroup,list.cases,list.class,mon,更新 分 函映射 list.map,list.mapv,list.select,list.iter,:…::…:============================sample(sizesample(size=10000,replace=TRUE),density(kernel="gaussian"),plot(col="red",main="densitympgsample(size=10000,replace=TRUE)density(kernel="gaussian")plot(col="red",main="densityofmpg案例1：年龄分…案例1：年龄分…共500个记reading,music,moviessports,musicmovies,R:2,C#:4,Python:3R:3,Java:2,C++:5R:1,C++:4,对于数据中同时使用R和Python各至少案例1：年龄分案例1：年龄分1&案例1：年龄分25965964413521221112案例1：年龄分259659644135212211121212234464754221119221462393331112案例2：案例2：GitHub案例2：GitHub案例2：GitHubHadley案例2：GitHub>Hadley案例2：GitHub>>案例2：GitHublist.sort(-案例2：GitHublist.sort(-##R26251C31313案例2：GitHub案例2：GitHub04040220307R311226011013Hadley的原创R案例2：GitHubHadley的原创R案例2：GitHublist.sort(-=RHadley的原创RHadley的原创R案例2：GitHubHadley的原创R案例2：GitHubHadley的原创R案例2：GitHublist.sort(-####案例案例2：GitHubrepos%>>%list.filter(any(grepl("plot|vis",c(name,list.sort(-stargazers_count)%>>%##"vis-dplayer的扩展包有哪案例2：GitHubstringdistdplayer的扩展包有哪案例2：GitHubstringdist=#…"data/"%>>%s=TRUE)list.filter((.)$size>0)list.map(read.csv(.,header=TRUE,stringsAsFactors=FALSE))%>>%…library(pipeR);library(rlist);"data/"list.files("\\.json",slibrary(pipeR);library(rlist);"data/"list.files("\\.json",s=TRUE)list.load(action=list.select(type,k1,k2,p=list.stack%>>%filter(p<=quantile(p,0.95)mutate(k3=k1+k2*q)lm(formula=p~k1+k2+q)feat