Reshape data in R
Reshape data in R, In general, data processing in R Programming Language is accomplished by reading data from a data frame that is organized into rows and columns. Data frames are commonly used because...
Category: R
How to Perform Bootstrapping in R
How to Perform Bootstrapping in R, Bootstrapping is a method for estimating the standard error of any statistic and generating a confidence interval for the statistic. The basic bootstrapping procedure is as follows: Take...
How to arrange training and testing datasets in R
How to arrange training and testing datasets in R, To divide a data frame into training and test sets for model construction in R, use the createDataPartition() function from the caret package. The basic...
Error in solve.default(mat) : Lapack routine dgesv: system is exactly singular: U[2,2] = 0
Error in solve.default(mat) Lapack routine dgesv system is exactly singular: Lapack routine dgesv: system is exactly singular: U[2,2] = 0 When attempting to utilize the solution() method on a singular matrix that lacks a...
Check if the Column Contains a String or not
Check if the Column Contains a String or not, The methods listed below can be used to determine whether a column of a data frame in R contains a string. Let’s create a data...
How to read multiple Excel files in R
How to read multiple Excel files in R?, We will go over how to combine multiple Excel files in the R programming language in this article. How to read multiple Excel files in R...
How to test the significance of a mediation effect
How to test the significance of a mediation effect?, To perform a sobel test in R is covered in this lesson. Using R to run a Sobel testWe can use the bda package to run a...
Hypothesis Testing in R
Hypothesis Testing in R, A formal statistical test called a hypothesis test is used to confirm or disprove a statistical hypothesis. The following R hypothesis tests are demonstrated in this course. Each type of...
How to perform TBATS Model in R
How to perform TBATS Model in R?, The term “TBATS” refers to a well-liked time series forecasting technique and stands for How to compare the performance of different algorithms in R? (datasciencetut.com) The following...
How to Calculate Ratios in R
How to Calculate Ratios in R? The following two techniques can be used in R to determine the ratio of values in two columns. The following data frame, which displays the total number of shots...
