Publications by Harold Nelson
Probability Distributions 1
Probability Distributions Harold Nelson March 11, 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 number...
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Analyzing Weather Data
Analyzing Weather Data with Python Using Pandas and Matplotlib Author Harold Published February 29, 2024 Introduction In this presentation, we’ll explore how to analyze weather data using Python. We’ll focus on using the Pandas library for data manipulation and Matplotlib for data visualization. Data Analysis with Pandas Loading the Dat...
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Factoids 2309
Olympia Weather Factoids Harold Nelson 2/28/2024 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 3.4.4 ✔ tibble ...
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Using the Tidyverse
Using the Tidyverse Harold Nelson 2024-02-23 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 3.4.4 ✔ tibble 3....
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OAW Analysis
OAW Analysis Harold Nelson 2024-02-12 Housekeeping Create a new project, OAW Download the file OAW2309.Rdata Move the file to your project directory file.choose() getwd() Setup Get the tidyverse and the OAW2309 dataframe. library(tidyverse) ## ── Attaching core tidyverse packages ────────────────────�...
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Vectors
Vectors Vectors A vector in R is an ordered collection of values. The individual values in a vector may be referenced with an index value beginning with 1. The most basic way to create a vector is to use the c() function. Examples vector_1 = c(23,2,-4,7) vector_1[3] [1] -4 vector_2 = c("cat","dog","parrot","python") vector_2[3] [1] "parrot" ...
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Feature Engineering
Feature Engineering Harold Nelson 2023-11-21 Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.4.1 ✔ purrr 1.0.1 ## ✔ tibble 3.2.1 ✔ dplyr 1.1.1 ## ✔ tidyr 1.3.0 ...
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Regression Fall 23
Regression Fall 23 Harold Nelson 2023-11-07 Setup Load tidyverse and tidymodels Load the dataframe OAW2309. Solution library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.4.1 ✔ purrr 1.0...
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Build SD2310
Build SD2310 Harold Nelson 2023-10-17 Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.4.1 ✔ purrr 1.0.1 ## ✔ tibble 3.2.1 ✔ dplyr 1.1.1 ## ✔ tidyr 1.3.0 ✔...
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Comparison
Comparison Harold Nelson 2023-10-17 Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.4.1 ✔ purrr 1.0.1 ## ✔ tibble 3.2.1 ✔ dplyr 1.1.1 ## ✔ tidyr 1.3.0 ✔ s...
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