R tutorials for Business Analyst

R tutorials for Business Analyst – R ANOVA Tutorial: One way and Two way

Hits: 68 (R Tutorials for Business Analyst) In this end-to-end example, you will know how to use ANOVA in R with examples. R ANOVA Tutorial: One way & Two way with Examples What is ANOVA? Analysis of Variance (ANOVA) is a statistical technique, commonly used to studying differences between two or more group means. ANOVA test …

R tutorials for Business Analyst – T Test in R: One Sample and Paired

Hits: 28 (R Tutorials for Business Analyst) In this end-to-end example, you will know how to use T test in R with examples. T Test in R: One Sample and Paired with Example What is Statistical Inference? Stastitical inference is the art of generating conclusions about the distribution of the data. A data scientist is …

R tutorials for Business Analyst – Bar Chart and Histogram in R

Hits: 30 (R Tutorials for Business Analyst) In this end-to-end example, you will know how to use R graphics for Bar chart and Histogram plot with examples. Bar Chart & Histogram in R with Example A bar chart is a great way to display categorical variables in the x-axis. This type of graph denotes two …

R tutorials for Business Analyst – How to make Boxplot in R

Hits: 22 (R Tutorials for Business Analyst) In this end-to-end example, you will know how to use R graphics for Boxplot plots with examples. How to make Boxplot in R with Examples You can use the geometric object geom_boxplot() from ggplot2 library to draw a box plot. Box plot helps to visualize the distribution of the …

R tutorials for Business Analyst – Scatter Plot in R using ggplot2

Hits: 17 (R Tutorials for Business Analyst) In this end-to-end example, you will know how to use R graphics for scatter plots. Scatter Plot in R using ggplot2 with Example Graphs are the third part of the process of data analysis. The first part is about data extraction, the second part deals with cleaning and manipulating the …

R tutorials for Business Analyst -R Select(), Filter(), Arrange(), Pipeline

Hits: 15 (R Tutorials for Business Analyst) In this end-to-end example, you will know how use select, filter, arrange and pipeline function in R and summarise a dataset to get the descriptive statistics. R Select(), Filter(), Arrange(), Pipeline with Example In this tutorial, you will learn select() Filter() Pipeline arrange() The library called dplyr contains …

R tutorials for Business Analyst – R Aggregate Function: Summarise using Group_by()

Hits: 11 (R Tutorials for Business Analyst) In this end-to-end example, you will know how we can use aggregate function in R and summarise a dataset to get descriptive statistics. R Aggregate Function: Summarise & Group_by() Summary of a variable is important to have an idea about the data. Although, summarizing a variable by group …

R tutorials for Business Analyst – Correlation in R: Pearson and Spearman

Hits: 22 (R Tutorials for Business Analyst) In this end-to-end example, you will know how we can calculate correlation in R, especially Pearson and Spearman correlation coefficient. Correlation in R: Pearson & Spearman with Matrix Example A bivariate relationship describes a relationship -or correlation- between two variables, and . In this tutorial, we discuss the …

R tutorials for Business Analyst – R Exporting Data to Excel, CSV, SAS, STATA, Text File

Hits: 16 (R Tutorials for Business Analyst) In this end-to-end example, you will know how we can export a dataset to excel, csv, SAS, STATA and TEXT file in R. It is important to know this exporting process because we can upload or import these formatted file to their respective software to do further processing …

R tutorials for Business Analyst – How to Replace Missing Values(NA) in R

Hits: 24 (R Tutorials for Business Analyst) In this end-to-end example, you will find how we can replace missing values i.e. NA in R. NA can be appeared in the dataset when there is no particular value recorded for that particular field. It is important to replace such NA values in the dataset before starting …

R tutorials for Business Analyst – Import Data into R: Read CSV, Excel, SPSS, Stata, SAS Files

Hits: 14 (R Tutorials for Business Analyst) Import Data into R: Read CSV, Excel, SPSS, Stata, SAS Files Data could exist in various formats. For each format R has a specific function and argument. This tutorial explains how to import data to R. In this tutorial, you will learn Read CSV Read Excel files readxl_example() …

R tutorials for Business Analyst – R apply(), lapply(), sapply(), tapply() Function with Examples

Hits: 8 (R Tutorials for Business Analyst) R apply(), lapply(), sapply(), tapply() Function with Examples This tutorial aims at introducing the apply() function collection. The apply() function is the most basic of all collection. We will also learn sapply(), lapply() and tapply(). The apply collection can be viewed as a substitute to the loop. The …

R tutorials for Business Analyst – R While Loop with Example

Hits: 8 (R Tutorials for Business Analyst) While Loop in R with Example A loop is a statement that keeps running until a condition is satisfied. The syntax for a while loop is the following: while (condition) { Exp } While Loop Flow Chart Note: Remember to write a closing condition at some point otherwise …

R tutorials for Business Analyst – Functions in R Programming

Hits: 15 (R Tutorials for Business Analyst) Functions in R Programming (with Example) What is a Function in R? A function, in a programming environment, is a set of instructions. A programmer builds a function to avoid repeating the same task, or reduce complexity. A function should be written to carry out a specified a tasks may or may …