Publications by Anil Akyildirim
User Engagement Revenue
1 Introduction Google Analytics is a well known Web Analytics Platform that allows businesses to track the consumer acquisition, engagement, beahvior and conversion through their website. Even though it might be considered as a basic platform, it follows the standard Data Science process where it collects data from website user’s browser, trans...
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MLB Prediction Models
0.1 Introduction In this assignment, we are tasked to explore, analyze and model a major league baseball dataset which contains around 2000 records where each record presents a baseball team from 1871 to 2006. Each observation provides the perforamce of the team for that particular year with all the statistics for the performance of 162 game seas...
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Principles of Data Visualization
Principles of Data Visualization and Introduction to ggplot2 I have provided you with data about the 5,000 fastest growing companies in the US, as compiled by Inc. magazine. lets read this in: library(ggplot2) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## ...
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College Fight Songs
#Loading Required Packages library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(ggplot2) library(lubridate) ## ## Attaching package: 'lubridate' ## T...
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Twitter Sentiment Analysis
Load R Packages # Load Requried Packages library(tm) library(lda) library(httr) library(dplyr) library(tidyr) library(anytime) library(stringi) library(twitteR) library(syuzhet) library(tidytext) library(tidyverse) library(SnowballC) library(topicmodels) library(wordcloud) library(BiocManager) # Package required for running Twitt...
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Tidyverse Package
1 Introduction In this assignment, we are looking at tidyverse which has collection of R packages that can help us loading the dataset to R, cleaning, transforming and visuzalizing of the data.The goal of this assignment is to create a sample dataset that shows the capabilities of tidyverse with and example dataset. The example dataset I selected...
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Computational Math Assignment 15
Questions Find the equation of the regression line for the given points. Round any final values to the nearest hundredth, if necessary. (5.6, 8.8), (6.3, 12.4), (7, 14.8), (7.7, 18.2), (8.4, 20.8) Find all local maxima, local minima, and saddle points for the function given below. Write your answer(s) in the form ( x, y, z). Separate multiple po...
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Taylor Series
Question This week, we’ll work out some Taylor Series expansions of popular functions. \(f(x)=\frac{1}{(1-x)}\) \(f(x)=e^{x}\) \(f(x)=ln(1+x)\) For each function, only consider its valid ranges as indicated in the notes when you are computing the Taylor Series expansion. Please submit your assignment as a R-Markdown document. Answer \(f(x)=\fr...
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Movielens Recommender Systems
Introduction Movielens is a platform that allows users to get non-commercial, personilized movie recommendations. The platform has a huge database of movies that users can browse through, review the community-applied tags, or apply their own tags. One aspect of the platform is that, it offers it’s users to tune the matching algorithm so the res...
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calculus-one
Question 1. Use integration by substitution to solve the integral below. \(\left(\int 4e^{-7x} \; dx\right)\) Answer 1. \(u=-7x\) \(\frac{du}{dx}=-7\) \(du=-7dx\) \(dx=\frac{du}{-7}=\frac{1}{7}du\) \(\frac{-4}{7}\left(\int e^{u}\; dx\right)\) \(\frac{4}{7}e^{u}\) \(\frac{4}{7}e^{-7x}+C\) Question 2. Biologists are treating a pond contaminated w...
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