Another correlation function?! Yes, the correlation function from the psycho package. devtools::install_github("neuropsychology/psycho.R") # Install the newest version library(psycho) library(tidyverse) cor <- psycho::affective %>% correla…

I love interactive pivot tables. That is the number one reason why I keep using spreadsheet software. The ability to look at data quickly in lots of different ways, without a single line of code helps me to get an understanding of the data really fas…

Data manipulation primitives in R and Python Both R and Python are incredibly good tools to manipulate your data and their integration is becoming increasingly important1. The latest tool for data manipulation in R is Dplyr2 whilst Python relies onPa…

R in Nutshell 前言 例子(nutshell包) 本书中的例子包括在nutshell的R包中,使用数据,需加载nutshell包 install.packages("nutshell") 第一部分:基础 第一章 批处理(Batch Mode) R provides a way to run a large set of commands in sequence and save the results to a file. 以batch mode运行R的一种方式是:使用系统…

基于R进行相关性分析 一.相关性矩阵计算: [1] 加载数据: >data = read.csv("231-6057_2016-04-05-ZX_WD_2.csv",header=FALSE) 说明:csv格式的数据,header=FALSE 表示没有标题,即数据从第一行开始. [2]  查看导入数据的前几行, >head(data) [3] 删除数据的7,8列,都是0 >data = data[1:6] >head(data) [4] 计算相关性矩阵(可以自己…

https://www.cnblogs.com/fanling999/p/5857122.html 一.相关性矩阵计算: [1] 加载数据: >data = read.csv("231-6057_2016-04-05-ZX_WD_2.csv",header=FALSE) 说明:csv格式的数据,header=FALSE 表示没有标题,即数据从第一行开始. [2]  查看导入数据的前几行, >head(data) [3] 删除数据的7,8列,都是0 >data = da…

题意: 如果一个正整数能被其所有位上的数字整除,则称其为Beautiful number,问区间[L,R]共有多少个Beautiful number?(1<=L<=R<=9*1018) 思路: 数字很大,不能暴力.但是想要知道一个数是否为Beautiful number时,至少得等到它的所有位都出现吧?不然如何确定其实可以被整除的呢? 分析一下,类似2232和3232等这样的数字,这两个只是出现了2和3而已,他们的lcm都是6,所以有可以压缩统计的地方就是lcm,开一维来存储.接下来考虑…

beautiful number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 801    Accepted Submission(s): 518 Problem Description Let A=∑ni=1ai∗10n−i(1≤ai≤9)(n is the number of A's digits). We call A as “…

来源:http://codeforces.com/problemset/problem/1265/B   B. Beautiful Numbers   You are given a permutation p=[p1,p2,…,pn]p=[p1,p2,…,pn] of integers from 11 to nn . Let's call the number mm (1≤m≤n1≤m≤n ) beautiful, if there exists two indices l,rl,r (1≤l…

marathon 1.6.322 官方:https://mesosphere.github.io/marathon/ 一 简介 Marathon is a production-grade container orchestration platform for Mesosphere’s Datacenter Operating System (DC/OS) and Apache Mesos.\ marathon是一个DC/OS和mesos上的容器编排平台: Features High Avai…