similar to: Principal Component Analysis

Hello!   I would like to sample 30 % of cases (with at least 1 value lower than 3) and among them I want to set all values lower than 3 (within selected cases) as NA (NMAR- Not missing at random). I managed to sample cases, but I don’t know how to set values (lower than 3) as NA.   R code:   x <-

Dear all, I would like to generate 500 matrices of 20 numbers from standard normal distribution with names x1,x2,x3,….x500.   I tried with loop for, but I don’t know how to name matices : for (i in 1:500)  {    x[[i]] <- matrix(rnorm(20), 4)     } Any suggestion? Thanks,  Blaž [[alternative HTML version deleted]]

Dear Sir/Madam, I am trying to do PCA analysis with "iris" dataset and trying to interpret the result. Dataset contains 150 obs of 5 variables Sepal.Length Sepal.Width Petal.Length Petal.Width Species 1 5.1 3.5 1.4 0.2 setosa 2 4.9 3.0 1.4 0.2 setosa

First, see the example at https://isezen.github.io/PCA/ > On 15 Sep 2017, at 13:43, Shylashree U.R <shylashivashree at gmail.com> wrote: > > Dear Sir/Madam, > > I am trying to do PCA analysis with "iris" dataset and trying to interpret > the result. Dataset contains 150 obs of 5 variables > > Sepal.Length Sepal.Width Petal.Length Petal.Width

Hello everybody, I've setup a file server with Debian GNU/Linux (Sarge) and Samba v3.0.10 with ACL, Kerberos etc... so I can join the Windows 2000 domain. I can use users from domain on file server without problems and Windows 2000, XP clients can access Samba shares. But when I try to connect to \\fs from Windows 98 client (in domain) it requests password from me (\\fs\IPC$). I have

When I want to see my users, then I get: ----------------------------------------------------- You have a nil object when you didn''t expect it! You might have expected an instance of Array. The error occured while evaluating nil.each Extracted source (around line #3): 1: <% @page_title = "Spisek uporabnikov" -%> 2: <table> 3: <% for user in @all_users %> 4:

Hello I am trying to get logwatch working on CentOS 8. System is fully updated. Usually install minimal version and then add only necessary with yum. On CentOS 7: install logwatch and get daily logwatch report on mail. On CentOS 8: install logwatch but no way to get mail. Am I doing something wrong? Or miss something? Thanks in advance Blaz

Hello I trying to grasp the file permissions on Linux. I have Samba installed and functioning properly... I think I understand perimission in this environment with one exception: I need to add more than one group to a file/folder. With Windows..the security tab would allow any number of Groups and each group could have different permissions. (As well with files and subdirectories). With

Hello! I would like to sample 5 % of cases and from 1 to 3 variables within selected cases and set them as NA (MCAR-Missing completely at random). I managed to sample cases and variables, but I don’t know how to set them as NA. R code: N <- 1000      ####number of cases n <- 12           ####number of variables X <- matrix(rnorm(N * n), N, n)    ####matrix pMiss <- 0.05