
Explore data handling basics through arithmetic and relational operators, including vectors and matrices. Learn operations like addition, subtraction, multiplication, division, exponent, modulus, and integer division.
Master looping in R with for, while, and repeat loops; compare when to use each, and explore examples that print even numbers and handle user input with break.
Explore web data scraping to transform unstructured web content into structured data, using regular expressions and fixed pattern matching for sentiment analysis, reviews, and demand analysis.
Boxplots visualize data distribution by highlighting minimum, maximum, median, and first and third quartiles, and reveal outliers beyond the whiskers.
Explore mean, median, and mode in data science with R, including when to use each measure, guided by descriptive, predictive, and prescriptive analytics.
Learn how linear regression links a predictor to a dependent variable, estimates slope and intercept, fits a regression line, and evaluates with p-values and R-squared.
Study the binomial distribution for a fixed number of trials with two outcomes and constant probability of success. The binomial random variable X counts successes in n trials.
***********All the Big Giant to Startup companies all of them use Data Visualization and analyze their data using data analysis. Amazon, Google, Facebook, Airbnb, Twitter, Apple, Flipkart, Walmart, Youtube all are on the list **************
Now You may Think…
Why Data visualization and analysis is important?
Simply data visualization is a technique to take information (data) and place it in the form of a graph that human can easily understand whereas data analysis is nothing but analysis the data gathered and take important decisions from it to make maximum profit possible.
Let me tell you a quick story…
In the year of 2007 Walmart analysis its store data and get an amazing report. They noticed in times of flood people buy strawberry a lot along with common household items.
So what they did?
They store more strawberry in time of food, which gives more sell and profit.
That is how data analysis helps and companies to get more profit.
Are Companies looking for data visualization and analysis experts?
Let’s tell you one thing “data is the new oil”. Everyday quintillion bytes of data are being produced by us. All the companies who gathering data from eCommerce site to social network they need a qualified professional to analyze the data that they max maximize their profit.
Currently, the Salary of an expert in this filed in the USA is $70,000/year according to indeed
The startup, MNC, Big Giant all of them need Data scientists, Data Analytics for them and that’s why the demand is sky-high.