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
 • 3,740 points • 785 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
 • 8,240 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
 • 10,840 points • 242 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
 • 8,690 points • 1,109 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 7, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 403 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
 • 33,050 points • 349 views
0 votes
1 answer

Big Data transformations with R

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

answered Dec 18, 2017 in Data Analytics by Sudhir
 • 1,610 points • 544 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
 • 4,660 points • 613 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
 • 4,660 points • 4,888 views
0 votes
1 answer

Left Join and Right Join using "dplyr"

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

answered Mar 27, 2018 in Data Analytics by Bharani
 • 4,660 points • 624 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
 • 8,240 points • 2,933 views
0 votes
1 answer

Find length of string in R

You can try nchar > nchar("fast") [1] 4 > set.seed(10) > ...READ MORE

answered Apr 17, 2018 in Data Analytics by DataKing99
 • 8,240 points • 325 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP
"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.