Authors
marijose 61
U1A1 Latest
27.08.2020
# Script del primer ejercicio de la materia de PyE # 26/08/2020 # Marijose González # Ejercicio básico de graficación de variables #Establecer folder de trabajo setwd("~/PYE1112AD") #Activar el paquete tidyverse library(tidyverse) ##...
6 sym R (2013 sym/6 pcs) 1 img
Mike and George 61
IRT analysis of wordbank for CATs Latest
09.03.2020
Introduction Our primary goal here is to develop and test via simulation a bank of CDI items and IRT parameters that we can recommend to those wanting to develop and conduct CDI computerized adaptive tests (CATs). Our approach is as follows: We...
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Md Forhad Akbar 61
Data 606: Chapter 9 - Multiple and Logistic Regression Latest
23.11.2019
Baby weights, Part I. (9.1, p. 350) The Child Health and Development Studies investigate a range of topics. One study considered all pregnancies between 1960 and 1967 among women in the Kaiser Foundation Health Plan in the San Francisco East Bay...
8465 sym R (995 sym/15 pcs) 2 img
Christian Thieme 61
Week 1 Assignment - R Bridge Course Latest
18.12.2019
1. Write a loop that calculates 12-factorial: val = 1 for (i in 1:12) { val <- sum(i * val) } sprintf("12! = %f", val) ## [1] "12! = 479001600.000000" 2. Show how to create a numeric vector that contains the sequence from 20 to 50 by 5:...
314 sym R (778 sym/8 pcs)
business-science.io - Articles 61
Speed Up Your Code Part 2: Parallel Processing Financial Data with multidplyr + tidyquant Latest
20.01.2017
Since my initial post on parallel processing with multidplyr, there have been some recent changes in the tidy eco-system: namely the package tidyquant, which brings financial analysis to the tidyverse. The tidyquant package drastically increase...
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David Blumenstiel 61
R HW, Week 1 Latest
21.12.2019
##R HW Week 1 ##David Blumenstiel 1. Write a loop that calculates 12-factorial x<-1 for (i in 1:12) { x = x * i } print(x) ## [1] 479001600 2. Show how to create a numeric vector that contains the sequence from 20 to 50 by 5. vec <-...
347 sym R (332 sym/8 pcs)
Abdelmalek Hajjam 61
Data606 - Homework 9 Latest
23.11.2019
Baby weights, Part I. (9.1, p. 350) The Child Health and Development Studies investigate a range of topics. One study considered all pregnancies between 1960 and 1967 among women in the Kaiser Foundation Health Plan in the San Francisco East Bay...
8409 sym R (1136 sym/18 pcs) 3 img
Exercise 15 June 2020 Latest
15.06.2020
Exercise 1: Tạo ra một véc tơ X gồm 15 phần tử, có dạng sau: X(15, 14, 13…,1). Yêu cầu: Tính tổng các phần tử của véc tơ X Tính giá trị trung bình các phần tử của véc tơ X Chuyển véc tơ X từ...
4740 sym R (737 sym/3 pcs)