emrehayirci

from django.db import models
from django.contrib.auth.models import AbstractUser
from django.contrib.auth.models import BaseUserManager
# This project uses Django Authentication System
# For more information visit: https://docs.djangoproject.com/en/1.11/topics/auth/default/

#referenced from https://medium.com/@ramykhuffash/django-authentication-with-just-an-email-and-password-no-username-required-33e47976b517
class MyUserManager(BaseUserManager):
    """
    A custom user manager to deal with emails as unique identifiers for auth

emrehayirci

kmeansp2 <- function(x, k, iter.max = 10, nstart = 1, ...) {
  n <- nrow(x) # number of data points
  centers <- numeric(k) # IDs of centers
  distances <- matrix(numeric(n * (k - 1)), ncol = k - 1) # distances[i, j]: The distance between x[i,] and x[centers[j],]
  res.best <- list(tot.withinss = Inf) # the best result among <nstart> iterations
  for (rep in 1:nstart) {
    pr <- rep(1, n) # probability for sampling centers
    for (i in 1:(k - 1)) {
      centers[i] <- sample.int(n, 1, prob = pr) # Pick up the ith center
      distances[1:length(distances)] <- colSums((t(x) - x[centers[i], ])^2) # Compute (the square of) distances to the center

emrehayirci

service: my-service
provider:
  name: aws
  runtime: nodejs6.10

iamRoleStatements:
  - Effect: "Allow"
    Action:
        - dynamodb:DescribeTable
        - dynamodb:Query