Confusion matrix in R

0 votes
I have heard this term a lot, and I want to explore more about this term. Can someone explain about Confusion Matrix in R
Jul 5, 2018 in Data Analytics by CodingByHeart77
 • 3,710 points • 227 views

1 answer to this question.

0 votes

A confusion matrix can be used to evaluate the accuracy of the model built.  It Calculates a cross-tabulation of observed and predicted classes. This can be done using the “confusionmatrix()” function from the “caTools” package.

answered Jul 5, 2018 by DataKing99
 • 8,130 points

Related Questions In Data Analytics

0 votes
1 answer

Simple matrix logic in R

In R, if you have a matrix: m1 ...READ MORE

answered Oct 30, 2018 in Data Analytics by Maverick
 • 10,800 points • 40 views
0 votes
1 answer

Check if a matrix is diagonalizable in R Programming Language

On a given matrix, a, the first way ...READ MORE

answered Dec 24, 2018 in Data Analytics by Tyrion anex
 • 8,320 points • 66 views
0 votes
1 answer

How do I make a matrix from a list of vectors in R?

Suppose l1 and l2 are my vectors, li = ...READ MORE

answered Aug 6, 2019 in Data Analytics by Cherukuri
 • 32,440 points • 35 views
0 votes
1 answer

How to build a correlation matrix in R?

@payal, You want to find the correlation ...READ MORE

answered Oct 28, 2019 in Data Analytics by Cherukuri
 • 32,440 points • 69 views
0 votes
1 answer

Big Data transformations with R

Dear Koushik, Hope you are doing great. You can ...READ MORE

answered Dec 17, 2017 in Data Analytics by Sudhir
 • 1,610 points • 72 views
0 votes
2 answers

Transforming a key/value string into distinct rows in R

We would start off by loading the ...READ MORE

answered Mar 26, 2018 in Data Analytics by Bharani
 • 4,560 points • 98 views
0 votes
1 answer

Finding frequency of observations in R

You can use the "dplyr" package to ...READ MORE

answered Mar 26, 2018 in Data Analytics by Bharani
 • 4,560 points • 349 views
0 votes
1 answer

Left Join and Right Join using "dplyr"

The below is the code to perform ...READ MORE

answered Mar 26, 2018 in Data Analytics by Bharani
 • 4,560 points • 156 views
0 votes
1 answer

What are the options for deploying models in production with R?

Well, I could say that the answer ...READ MORE

answered Apr 12, 2018 in Data Analytics by DataKing99
 • 8,130 points • 358 views
0 votes
1 answer

How to find out the sum/mean for multiple variables per group in R?

You can use the reshape2 package for ...READ MORE

answered Apr 12, 2018 in Data Analytics by DataKing99
 • 8,130 points • 565 views
"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.