# Category: Methods

## View data frame in r: use of View() function in R

View data frame in r, within RStudio, the View() function in R can be used to call a spreadsheet-style data viewer. The syntax for this function is as follows: Principal Component Analysis in R...

## Bias Variance Tradeoff Machine Learning Tutorial

Bias-variance tradeoff machine learning, To assess a model’s performance on a dataset, we must assess how well the model’s predictions match the observed data. The mean squared error (MSE) is the most often used...

## How to calculate Power Regression in R (Step-by-Step Guide)

Power Regression in R, Power regression is a non-linear regression technique that looks like this: y = ax^b where: y: The response variable x: The predictor variable a, b: The coefficients of regression used...

## Bagging in Machine Learning Guide

Bagging in Machine Learning, when the link between a group of predictor variables and a response variable is linear, we can model the relationship using methods like multiple linear regression. When the link is...

## Decision tree regression and Classification

Decision tree regression and Classification, Multiple linear regression can yield reliable predictive models when the connection between a group of predictor variables and a response variable is linear. Random forest machine learning Introduction »...

## Export Data Frames into Multiple Excel Sheets in R

Export Data Frames into Multiple Excel Sheets in R, To export numerous data frames from R to multiple Excel worksheets, use the following basic syntax. How to calculate Scheffe’s Test in R » finnstats...

## Conditional Mean in R with examples

Conditional Mean in R, to calculate a conditional mean in R, use the following syntax. mean(data[data\$Name == ‘India’, ‘points’]) For every row in the data frame where the ‘Name’ column equals ‘India,’ this calculates...

## Error: ‘list’ object cannot be coerced to type ‘double’

Error: ‘list’ object cannot be coerced to type ‘double’, as the first step, we’ll need to generate some data that we’ll later use in the examples. List <- list(1:5,10,10:20)List [[1]] [1] 1 2 3...

## How to Compare Strings in R with examples

In R, you can compare strings using the following methods. Comparing Two Strings Approach 1:- Suppose you are looking for a case-sensitive comparison string1 == string2 In another case -insensitive comparison tolower(string1) == tolower(string2)...

## match Function in R with examples

match Function in R, The position of the first match between two objects is returned by the match() function in R. The following is the fundamental syntax for this function. match (object1, object2) The...