- 1 Why do you think a tree based model is more appropriate than a neural network?
- 2 Are decision trees better than neural networks?
- 3 Which is better SVM or random forest?
- 4 Which is better SVM or neural network?
- 5 How will you counter Overfitting in the decision tree?
- 6 Is random forest better than SVM?
- 7 When does decision tree perform better than NNS?
- 8 How are conditional nodes activated in a decision tree?
Why do you think a tree based model is more appropriate than a neural network?
Neural networks are often compared to decision trees because both methods can model data that has nonlinear relationships between variables, and both can handle interactions between variables. This information is very useful to the researcher who is trying to understand the underlying nature of the data being analyzed.
Are decision trees better than neural networks?
To my surprise, the decision tree works the best with training accuracy of 1.0 and test accuracy of 0.5. The neural networks, which I believed would always perform the best no matter what has a training accuracy of 0.92 and test accuracy of 0.42 which is 8% less than the decision tree classifier.
Why tree based models are good?
Tree based algorithms empower predictive models with high accuracy, stability and ease of interpretation. Unlike linear models, they map non-linear relationships quite well. They are adaptable at solving any kind of problem at hand (classification or regression).
Why is random forest better than neural network?
Random Forest is less computationally expensive and does not require a GPU to finish training. A random forest can give you a different interpretation of a decision tree but with better performance. Neural Networks will require much more data than an everyday person might have on hand to actually be effective.
Which is better SVM or random forest?
random forests are more likely to achieve a better performance than SVMs. Besides, the way algorithms are implemented (and for theoretical reasons) random forests are usually much faster than (non linear) SVMs.
Which is better SVM or neural network?
Neural Network requires a large number of input data if compared to SVM. The more data that is fed into the network, it will better generalise better and accurately make predictions with fewer errors. On the other hand, SVM and Random Forest require much fewer input data.
What are the advantages of decision trees?
Advantages of Decision Trees
- Easy to read and interpret. One of the advantages of decision trees is that their outputs are easy to read and interpret without requiring statistical knowledge.
- Easy to prepare.
- Less data cleaning required.
What are tree models?
Tree-based models use a decision tree to represent how different input variables can be used to predict a target value. Machine learning uses tree-based models for both classification and regression problems, such as the type of animal or value of a home.
How will you counter Overfitting in the decision tree?
There are several approaches to avoiding overfitting in building decision trees.
- Pre-pruning that stop growing the tree earlier, before it perfectly classifies the training set.
- Post-pruning that allows the tree to perfectly classify the training set, and then post prune the tree.
Is random forest better than SVM?
How are decision trees different from neural networks?
This is because a decision tree inherently “throws away” the input features that it doesn’t find useful, whereas a neural net will use them all unless you do some feature selection as a pre-processing step. If it is important to understand what the model is doing, the trees are very interpretable.
Why do tree-based models often outperform neural networks?
Regardless, both rely on the depth of their model for their performance because their components correlate with sections of the feature space. A model with too many components — nodes in the case of trees, neurons in the case of networks — overfits, and a model with too little cannot give meaningful predictions at all.
When does decision tree perform better than NNS?
Furthermore, NNs require caution as they are prone to overfitting. For most tasks where you deal with structured data, I’ve found tree-based algorithms (especially boosted ones) to outperform NNs.
How are conditional nodes activated in a decision tree?
Conditional nodes that are activated in decision trees are analogous to neurons being activated (information flow). Neural networks fit parameters to transform the input and indirectly direct the activations of following neurons.