Publications by Dr. Roberto Chang López
Reticulate
email:rchang@unah.edu.hn / rchang@unitec.edu You can check your Python environment with: ##Chunk R reticulate::py_config() ## python: C:/Users/rchang/AppData/Local/r-miniconda/envs/r-reticulate/python.exe ## libpython: C:/Users/rchang/AppData/Local/r-miniconda/envs/r-reticulate/python38.dll ## pythonhome: C:/Users/rchang/AppData...
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RchangActuarialF
Examples and User Manual Manual download Ejemplos y Manual de Usuario Descargar manual aquí #devtools::install_github("rchang-1/RchangActuarialF") rchang@unah.edu.hn / rchang@unitec.edu Professor of Doctoral and Master’s Programs in Systems, Economics, and Statistics for Scientific Research Profesor de Doctorado y Maestría en Sistemas, Economí...
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Milestone Capstone
Overview This is the milestone report for week 2 of the Johns Hopkins University on Coursera Data Science Capstone project. The overall goal of the Capstone project is to build a predictive text model using Natural Language Processing (NLM) along with a predictive text application that will determine the most likely next word when a user inputs a w...
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Final Capstone Shiny App
Reproducible pitch / Capstone Final Capstone Data Science Roberto Chang PHD 28.11.2023 Next Word Predict author: Roberto Chang López: 29 November, 2023 autosize: true transition: rotate class: smaller css: style.css Coursera Data Science Specialization Capstone Project Johns Hopkins University — Objective This presentation features the Next ...
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task3
Coursera Developing Data Products - Week 3 Assignment # En el primer chunk library(plotly) ## Loading required package: ggplot2 ## ## Attaching package: 'plotly' ## The following object is masked from 'package:ggplot2': ## ## last_plot ## The following object is masked from 'package:stats': ## ## filter ## The following object is m...
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Shiny app presentation
Analysis of Financial Statements Financial Statements Roberto Chang PHD 28.11.2023 Coursera Reproducible Pitch URL: https://github.com/manastiwari/Developing-Data-Products-Week-4-Course-Project Find here all the data that have been use for this presentation and also for the first part of the data Science Project: “First, you will create a Sh...
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projectLeaflet
## Warning: package 'leaflet' was built under R version 4.1.3 Note that the echo = FALSE parameter was added to the code chunk to prevent printing of the R code that generated the plot. library(leaflet) my_map <- leaflet() %>% addTiles() my_map = addMarkers(my_map, lat = 19.0688, lng = 72.8703, popup = "My Home") my_map...
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Herramientas para Análisis de Realidad Nacional
knitr::opts_chunk$set(echo = TRUE) library(tidyverse) ## -- Attaching packages --------------------------------------- tidyverse 1.3.1 -- ## v ggplot2 3.3.6 v purrr 0.3.4 ## v tibble 3.1.8 v dplyr 1.0.7 ## v tidyr 1.1.4 v stringr 1.4.0 ## v readr 2.0.2 v forcats 0.5.1 ## Warning: package 'ggplot2' was built under R vers...
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Modelos ARCH GARCH
library(lubridate) ## ## Attaching package: 'lubridate' ## The following objects are masked from 'package:base': ## ## date, intersect, setdiff, union library(tidyverse) ## -- Attaching packages --------------------------------------- tidyverse 1.3.1 -- ## v ggplot2 3.3.6 v purrr 0.3.4 ## v tibble 3.1.8 v dplyr 1.0.7 ## v ti...
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Mercado de Capitales 1
setwd("C:/Users/rchang/Downloads/Mercado de Capitales UNAH 2023/Scripts") Capítulo 3 Quantmod IMPORTATE: Aún no está del todo listo el formato en pdf, por lo que recomiendo verlo online. El paquete quantmod para R esta diseñado para la asistencia quantitativa de los traders en el desarrollo de sus estrategias y modelos financieros. 3.1 ¿Que es...
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