Publications by Harold Nelson
Vectors
Vectors Table of contents Vectors Examples Larger from smaller Extending a Vector Setting and Using Names Vectors from rep() (Repeat) Vectors from seq() (Sequence) Vectors of Integers Elementwise Computation Pieces of Vectors The Recycling Rule A Number Vectors A vector in R is an ordered collection of values. The individual values in a vector m...
1057 sym Python (1442 sym/48 pcs)
Regression 2
Regression 2 Harold Nelson 4/3/2022 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.0 ✔ tibble 3.2.1 ## �...
2370 sym Python (5891 sym/29 pcs) 9 img
Probability Lecture
Probability Lecture Harold Nelson 4/4/2024 Basic Concepts of Probability An event is a set of possible outcomes of an experiment.The probability of an event is what we expect its relative frequency to approach as we run the experiment a large number of times.These values can arise from several sources. Probabilities are always numbers in the ran...
9301 sym
Feature Engineering
Feature Engineering Harold Nelson 2024-04-15 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.0 ✔ tibble 3....
2022 sym 2 img
Regression 1
Regression 1 Harold Nelson 3/21/2022 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.0 ✔ tibble 3.2.1 ## �...
2032 sym 3 img
Regression 2
Regression 2 Harold Nelson 4/3/2022 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.0 ✔ tibble 3.2.1 ## �...
2202 sym Python (4230 sym/25 pcs) 9 img
Bootstrap CI
Bootstrap CI Harold Nelson 2024-04-12 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.0 ✔ tibble 3.2.1 ## ...
665 sym 1 img
Permutation
Permutation Harold Nelson 2024-04-12 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.0 ✔ tibble 3.2.1 ## �...
499 sym
Tidymodels Classification
Tidymodels Classification Harold Nelson 2024-04-08 Setup Load tidyverse and tidymodels Load the dataframe cdc2. Solution library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1....
2145 sym 2 img
The Bootstrap
The Bootstrap Harold Nelson 2024-04-07 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.0 ✔ tibble 3.2.1 ##...
470 sym 1 img