Publications by Wiktoria Gnojek
Homework 2 Correction
CPSSWEducation <- read.csv(file="https://vincentarelbundock.github.io/Rdatasets/csv/AER/CPSSWEducation.csv", header=TRUE, sep=",") Use the summary function to gain an overview of the data set. Then display the mean and median for at least two attributes. summary(CPSSWEducation) ## X age gender earnings ...
752 sym R (2501 sym/17 pcs)
Bridge Week 2 Homework
CPSSWEducation <- read.csv(file="https://vincentarelbundock.github.io/Rdatasets/csv/AER/CPSSWEducation.csv", header=TRUE, sep=",") Use the summary function to gain an overview of the data set. Then display the mean and median for at least two attributes. summary(CPSSWEducation) ## X age gender earnings ...
752 sym R (2333 sym/17 pcs)
Bridge Week 1 Homework
Week 1 assessment, R Creating 12 Factorial # Creating 12 Factorial factorial = 1 for (i in 1:12) { factorial <- factorial * i } print (factorial) ## [1] 479001600 Show how to create a numeric vector that contains the sequence from 20 to 50 by 5. my_seq <- seq(20, 50, by = 5) print(my_seq) ## [1] 20 25 30 35 40 45 50 Create the function “qua...
305 sym R (427 sym/6 pcs)
DATA 607 Week 10
In Text Mining with R, Chapter 2 looks at Sentiment Analysis. In this assignment, you should start by getting the primary example code from chapter 2 working in an R Markdown document. You should provide a citation to this base code. You’re then asked to extend the code in two ways: Work with a different corpus of your choosing, and Incorporate...
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Week Nine - Working with Web APIs
The New York Times web site provides a rich set of APIs, as described here: https://developer.nytimes.com/apis. You’ll need to start by signing up for an API key. Your task is to choose one of the New York Times APIs, construct an interface in R to read in the JSON data, and transform it into an R DataFrame. Installing the Library(s) library(js...
1289 sym R (18463 sym/15 pcs)
DATA 607 Week 5
Tidying and Transforming Vaccination Data The CSV file with data used for this assignment can be found under this link; https://github.com/acatlin/data/blob/master/israeli_vaccination_data_analysis_start.xlsx We will be tidying the data as well as using it to answer these questions; Do you have enough information to calculate the total populatio...
3727 sym R (2042 sym/24 pcs)
Lab 2 DATA 606
Lab Number Two - DATA 606 Wiktoria Gnojek Getting started library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ── ## ✓ ggplot2 3.3.5 ✓ purrr 0.3.4 ## ✓ tibble 3.1.3 ✓ dplyr 1.0.7 ## ✓ tidyr ...
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Movie Ratings
After choosing 6 recent popular movies, I asked my friends and family to rate them from 1 to 5. These ratings were recorded and used to populate tables in SQL. If the person did not watch the movie and was not able to rate, their answer was recorded as “Null”. To begin, I exported the data from SQL to a csv file, which I then imported to R. I...
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DATA 607, Assignment 1
Overview This data shows international global soccer ratings. It showcases offensive and defensive ratings per country. Here one can find the link to the website where the data is from; https://projects.fivethirtyeight.com/soccer-predictions/ Even though I stored the data on my local machine, I have provided the link to the github account where o...
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R Final Project
Wiktoria Gnojek R Bridge Course Final Project Data Exploration: This should include summary statistics, means, medians, quartiles, or any other relevant information about the data set. Please include some conclusions in the R Markdown text. Grunfeld<- read.csv(file="https://vincentarelbundock.github.io/Rdatasets/csv/AER/Grunfeld.csv",header=TRU...
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