Publications by Mohammed Rahman
Data 607 - Project 1
Load the libraries to use: library(readr) library(stringr) # Read the file as a string: tournament_str <- read_file("tournamentinfo.txt") # split at end of line and trim trailing white space: tournament_split <- strsplit(tournament_str, "\n")[[1]] |> trimws() # remove row separator: sep <- "--------------------------------------------------...
233 sym R (5404 sym/9 pcs)
Data 624 - Homework 3
#Loading required R package and datasets: library(fpp3) ## Warning: package 'fpp3' was built under R version 4.3.2 ## ── Attaching packages ────────────────────────────────────────────── fpp3 0.5 ── ## ✔ tibble 3.2.1 ✔ tsibble 1.1.4...
8140 sym R (8379 sym/67 pcs) 18 img
Week 2 - Data 607
Assignment Two - R and SQL Part 1: Build Table • Choose six recent popular movies. • Ask at least five people that you know (friends, family, classmates, imaginary friends if necessary) to rate each of these movies that they have seen on a scale of 1 to 5. Part 2: Store data in SQL database • Take the results (observations) and store them i...
1931 sym R (1624 sym/14 pcs)
Data 624 - Homework 2
#Loading required R package and datasets: library(fpp3) ## Warning: package 'fpp3' was built under R version 4.3.2 ## ── Attaching packages ────────────────────────────────────────────── fpp3 0.5 ── ## ✔ tibble 3.2.1 ✔ tsibble 1.1.4...
8332 sym R (6916 sym/46 pcs) 24 img
Week 3 - Data 607
Task 1 Task: Using the 173 majors listed in fivethirtyeight.com’s College Majors dataset [https://fivethirtyeight.com/features/the-economic-guide-to-picking-a-college-major/], provide code that identifies the majors that contain either “DATA” or “STATISTICS” Solution Load the libraries to use: library(readr) library(dplyr) library(s...
3551 sym R (2976 sym/12 pcs)
Data-624 Homework 1
Question 2.1: Explore the following four time series: Bricks from aus_production, Lynx from pelt, Close from gafa_stock, Demand from vic_elec. Use ? (or help()) to find out about the data in each series. What is the time interval of each series? Use autoplot() to produce a time plot of each series. For the last plot, modify the axis labels and t...
6791 sym R (9452 sym/67 pcs) 26 img
Week - 1 Loading Data into a Data Frame
Overview This analysis is based on a dataset behind the story Why Many Americans Don’t Vote from FiveThirtyEight that explores why some Americans do not vote in presidential elections. The original dataset contains information on a variety of demographic, socioeconomic, and attitudinal factors that contribute to non-voting. In this analysis, ...
2362 sym R (4776 sym/10 pcs)