Question: Why did I get these errors when I run the code. It is a binary classification metric. I did the logical regression and when I

Why did I get these errors when I run the code. It is a binary classification metric. I did the logical regression and when I run the confusion matrix table(), I got this error message: "All arguments must have the same length". I don't know what is the problem?

We can get the dataset from (Ionosphere, package = 'mlbench')

We have to remove the first two columns (V1&V2) which I already did. So the new data will be V3 through V34 and the last column name is Class which is the response with two levels (good and bad)

Why did I get these errors when I run the code. It

History Run Source 11 Part2.Ionosphere.R* * I Source on Save 9 30 #these probabilities into labels 31 Ionosphere. logreg 0.5, "good", "bad")) 38 head (predicted. classes) 39 predicted. classes $V35 == IonosphereSV35 # (use wafn message in R markdown) 40 41 # compute the overall accuracy 42 mean (predicted. classes $V35 == Ionosphere$V35) 43 # accuracy rate is 0.604 (use warn msg in markdwon) 44 table(predicted. classes $V35, Ionospheresv35) 45 #calculating the 95% CI of accuracy for logical regression model 46 z mean(predicted. classes $V35 == Ionosphere $V35) [1] 0.6039886 warning messages: 1: In ==. default (predicted.classes $V35, IonosphereSV35) : longer object length is not a multiple of shorter object length 2: In is.na(el) is.na(e) : longer object length is not a multiple of shorter object length > # accuracy rate is 0.604 (use warn msg in markdwon) > table(predicted. classes SV35, Ionosphere$v35) Error in table(predicted. classes $V35, Ionosphere$V35) : all arguments must have the same length + 9:04 AM

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!