How to Count Distinct Values in R
How to Count Distinct Values in R?, using the n_distinct() function from dplyr, you can count the number of distinct values in an R data frame using one of the following methods. With the...
Common Misconceptions About Machine Learning
Common Misconceptions About Machine Learning, what is the relationship between machine learning and statistics? Are they distinct fields in their own right? What role do statistics play in machine learning? Is the meteoric ascent...
Count Observations by Group in R
Count Observations by Group in R, want to count the number of observations by the group. Fortunately, the count() function from the dplyr library makes this simple. Using the data frame below, this tutorial...
How to add columns to a data frame in R
How to add columns to a data frame in R?, To add one or more columns to a data frame in R, use the mutate() function from the dplyr package. With the following data...
How to Remove Columns from a data frame in R
Remove Columns from a data frame, you may occasionally need to remove one or more columns from a data frame. Fortunately, the select() method from the dplyr package makes this simple. Remove Rows from...
Remove Rows from the data frame in R
Remove Rows from the data frame in R, To remove rows from a data frame in R using dplyr, use the following basic syntax. Detecting and Dealing with Outliers: First Step – Data Science...
Kappa Coefficient Interpretation Guide
The kappa coefficient, which is used to determine inter-rater reliability or agreement, is explained in this article. The magnitude of kappa is frequently more important in most applications than the statistical significance of kappa....
Arrange the rows in a specific sequence in R
Arrange the rows in a specific sequence in R, Frequently, you’ll want to arrange the rows in a data frame in R in a specified order. Fortunately, the arrange() function from the dplyr library...
Arrange Data by Month in R with example
Arrange Data by Month in R, To easily arrange data by month, use the floor_date() function from the lubridate package in R. The following is the fundamental syntax for this function. library(tidyverse) df %>%...
Clustering Example Step-by-Step Methods in R
Clustering Example Step-by-Step Methods in R, This post will walk you through a k-means clustering example and provide a step-by-step method for conducting a cluster analysis on a real data set using R software....
