# Articles by datasciencebeginners

### Working With Factors In R – Tutorial forcats Package

June 13, 2020 |

By the end of this tutorial on forcats package for working with factors in R, you will be able to change the order of levels, inspect levels, change the values of levels, combine levels, and add/drop levels more efficiently.

### Multinomial logistic regression With R

May 27, 2020 |

Multinomial logistic regression is used when the target variable is categorical with more than two levels. It is an extension of binomial logistic regression. [Read more...]

### Binary Logistic Regression With R

May 27, 2020 |

Binary Logistic Regression is used to explain the relationship between the categorical dependent variable and one or more independent variables. When the dependent variable is dichotomous, we use binary logistic regression. However, by default, a binary logistic regression is almost always called logistics regression. Overview – Binary Logistic Regression The logistic ...

### One Stop Tutorial On purrr Package In R

May 27, 2020 |

In this tutorial on purrr package in R, you will learn how to use functions from the purrr package in R to improve the quality of your code and understand the advantages of purrr functions compared to equivalent base R functions.

### Step-By-Step Guide On How To Build Linear Regression In R (With Code)

May 16, 2020 |

In this chapter, you will learn when to use linear regression, how to use it, how to check the assumptions of linear regression, how to predict the target variable in test dataset using trained model. [Read more...]

### Practical Guide To K-Means Clustering

May 16, 2020 |

In this tutorial, learn how k-means clustering algorithm works along with the example code in R.

### Simple Guide To Ridge Regression In R

May 16, 2020 |

In this section, we will learn how to execute Ridge Regression in R. We use ridge regression to tackle the multicollinearity problem. Due to multicollinearity, the model estimates (least square) see a large variance. Ridge regression is a method by which we add a degree of bias to the regression ...

### Quick Tutorial On LASSO Regression With Example

May 16, 2020 |

LASSO regression stands for Least Absolute Shrinkage and Selection Operator. The algorithm is another variation of linear regression, just like ridge regression. We use lasso regression when we have a large number of predictor variables. Overview – Lasso Regression Lasso regression is a parsimonious model that performs L1 regularization. The L1 ...

### 21 Data Manipulation Task For Beginners In R

May 16, 2020 |

As a data analyst, you will be working mostly with data frames. And thus, it becomes vital that you learn, understand, and practice data manipulation tasks. Here I am listing down some of the most common data manipulation tasks for you to practice and solve. Before, we start and dig ... [Read more...]

### 7 Useful Interactive Charts in R

May 16, 2020 |

Interactive chart s in R gives a lot of freedom to both presenter and the audience. Learn how to develop some of the most used interactive charts in R. [Read more...]

### Tutorial ggplot2 – Unlock Visualization In R

May 14, 2020 |

The ggplot2 package in R provides a reliable system for describing and building graphs. The package is capable of creating elegant and aesthetically pleasing graphics.