Will a neural network perform better than classifiers?

10
Jewel Casper asked a question: Will a neural network perform better than classifiers?
Asked By: Jewel Casper
Date created: Fri, Apr 23, 2021 11:48 PM
Date updated: Sun, Jan 2, 2022 9:16 PM

Content

FAQ

Those who are looking for an answer to the question «Will a neural network perform better than classifiers?» often ask the following questions:

💻 When does decision tree perform better than the neural network?

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.

💻 Are neural networks classifiers?

Neural Networks as Functional Classifiers. October 2020; Authors: Barinder Thind… Schematic of a general functional neural network for when the inputs are functions, x k (t), and scalar values ...

💻 How to run neural network classifiers fast?

Neural Networks as Classifiers. A neural network consists of units (neurons), arranged in layers, which convert an input vector into some output. Each unit takes an input, applies a (often nonlinear) function to it and then passes the output on to the next layer. Generally the networks are defined to be feed-forward: a unit feeds its output to ...

10 other answers

In terms of accuracy, this is not easy to answer. Your best bet is to try both. Considering their usefulness, neural networks are considerably more bulky and harder to use. It takes practice and a lot of research to get some understanding on how m...

I was recently working on some classification problem where decision trees performed better than neural networks. I had tried various combinations with neural networks altering the number of neurons / hidden layers with an objective to beat the decision tree classifier accuracy on the test set.

But Artificial Neural Networks have performed impressively in most of the real world applications. It is high tolerance to noisy data and able to classify untrained patterns. Usually, Artificial Neural Networks perform better with continuous-valued inputs and outputs.

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.

Both methods perform significantly better than the other classifiers for this task. The MNTN and full-search VQ classifiers are also compared for several speaker verification and open-set speaker ...

Improving the Performance of a Neural Network. Neural networks are machine learning algorithms that provide state of the accuracy on many use cases. But, a lot of times the accuracy of the network we are building might not be satisfactory or might not take us to the top positions on the leaderboard in data science competitions.

– The purpose of this paper is to compare the performance of neural networks (NNs) and support vector machines (SVMs) as text classifiers. SVMs are considered one of the best classifiers. NNs could...

Neural networks, let it be perceptron based ones or convolutional ones, they have the ability to fit well for larger data with non linear distribution much better than, say classifiers such as SVM (Even after kernel tricks). And feature engineering can also be eliminated for a large part in case of neural networks.

Neural networks take much longer to train in general but this is getting better through the use of GPU's and cloud computing. However, compared to say a GLM which is quite trivial to fit on most decent CPU's (and no hyper parameters to tune) there is still a large discrepancy in training times especially if you do not have access to such computing power.

Neural networks have been shown to outperform a number of machine learning algorithms in many industry domains. They keep learning until it comes out with the best set of features to obtain a satisfying predictive performance. However, a neural network will scale your variables into a series of numbers that once the neural network finishes the learning stage, the features become ...

Your Answer

We've handpicked 24 related questions for you, similar to «Will a neural network perform better than classifiers?» so you can surely find the answer!

Is neural network always better than regression?

So Neural Networks are more comprehensive and encompassing than plain linear regression, and can perform as well as Linear regressions (in the case they are identical) and can do better than them when it comes to nonlinear fitting… So in short, apparently NN wins.

Why cnn is better than neural network?

CNN is considered to be more powerful than ANN, RNN. RNN includes less feature compatibility when compared to CNN. Facial recognition and Computer vision. Facial recognition, text digitization and Natural language processing.

Why neural network is better than regression?

So Neural Networks are more comprehensive and encompassing than plain linear regression, and can perform as well as Linear regressions (in the case they are identical) and can do better than them when it comes to nonlinear fitting.

When deep neural networks perform better than logistic regression in business?

The most likely explanation is that the neural network model proposed has a much higher model capacity than the logistic regression model. In fact, the neural network used in the code has 246,343 trainable parameters; the full Iris data set has only 150 samples and only four features – so the model is much more complex than the training data. A neural network model with fewer neurons or layers will likely generalise much better.

When deep neural networks perform better than logistic regression in data?

The most likely explanation is that the neural network model proposed has a much higher model capacity than the logistic regression model. In fact, the neural network used in the code has 246,343 trainable parameters; the full Iris data set has only 150 samples and only four features – so the model is much more complex than the training data. A neural network model with fewer neurons or layers will likely generalise much better.

When deep neural networks perform better than logistic regression in one?

Therefore, theoretically, a neural network is always better than logistic regression, or more precisely, a neural network can do no worse than logistic regression. In the diagram, there are three input values (1.0, 2.0, 3.0). The logistic regression model on the left emits output value 0.5474 and so does the neural network model on the right.

When deep neural networks perform better than logistic regression in research?

The moral of the story is that, in principle, anything you can do with logistic regression you can do with a neural network. Therefore, theoretically, a neural network is always better than logistic regression, or more precisely, a neural network can do no worse than logistic regression. In the diagram, there are three input values (1.0, 2.0, 3.0). The logistic regression model on the left emits output value 0.5474 and so does the neural network model on the right.

When deep neural networks perform better than logistic regression in statistics?

If the magnitude of the curvature of the manifold is larger than the noise, then the noisy manifold will still look curved and a neural network will work better than, say, a regression. If the magnitude of the curvature of the manifold is smaller than the noise, then the noisy manifold will look flat and a regression will do just fine.

When linear regression is better than neural network?

Due to this, neural nets are resistant to outliers & other factors that might cause under/overfitting of data, especially if nature of data is unknown or if we miss missing values within data. Thus, Linear regression is better for simpler modelling while neural net is better for complex or multiple-level/category modelling. 1.8K views

Why convolutional neural network better than fully connected?

The major advantage of fully connected networks is that they are “structure agnostic” i.e. there are no special assumptions needed to be made about the input.

Why neural network is better than human brain?

Neural networks are potentially faster and more accurate than humans. Many studies suggest that humans may use less than 10 percent of their brains' potential power… Others state that memory is distributed throughout the brain and there is no specific memory location. Of course, nothing is clear.

Can a neural network perform pca?

Complex PCA has been widely applied to complex-valued data and two-dimensional vector fields. Complex PCA employs the same neural network architecture as that of PCA, but with complex weights. The objective functions for PCA can also be adapted to complex PCA by changing the transpose into the Hermitian transpose.

Why does svm work better than my neural network?

The SVM does not perform well when the number of features is greater than the number of samples. More work in feature engineering is required for an SVM than that needed for a multi-layer Neural Network. On the other hand, SVMs are better than ANNs in certain respects: ... SVM models are easier to understand.

What is better than neural networks?

Random Forest is a better choice than neural networks because of a few main reasons… Neural networks have been shown to outperform a number of machine learning algorithms in many industry domains.

Does neural network perfrom better than gradient boosting small data?

Overfit a small subset of the data and make sure it works. For example, train with just 1 or 2 examples and see if your network can learn to differentiate these. Move on to more samples per class. 28. Check weights initialization. If unsure, use Xavier or He initialization. Also, your initialization might be leading you to a bad local minimum, so try a different initialization and see if it helps.

Why is feedback neural network better than single layer architecture?

Feedback (or recurrent or interactive) networks can have signals traveling in both directions by introducing loops in the network. Feedback networks are powerful and can get extremely complicated. Computations derived from earlier input are fed back into the network, which gives them a kind of memory.

Why is svm better than a 1-layer neural network?

The SVM does not perform well when the number of features is greater than the number of samples. More work in feature engineering is required for an SVM than that needed for a multi-layer Neural Network. On the other hand, SVMs are better than ANNs in certain respects: ... SVM models are easier to understand.

Why neural network is better than linear regression in retail?

Neural Network. Now let’s do the exact same thing with a simple sequential neural network. A sequential neural network is just a sequence of linear combinations as a result of matrix operations. However, there is a non-linear component in the form of an activation function that allows for the identification of non-linear relationships.

Does more layers perform better for convolutional neural networks?

Fully-connected (FC) layer The convolutional layer is the first layer of a convolutional network. While convolutional layers can be followed by additional convolutional layers or pooling layers, the fully-connected layer is the final layer. With each layer, the CNN increases in its complexity, identifying greater portions of the image.

When neural network performs better?

The first s tep in ensuring your neural network performs well on the testing data is to verify that your neural network does not overfit. Ok, stop, what is overfitting? overfitting happens when your model starts to memorise values from the training data instead of learning from them.

Why neural network is better?

Key advantages of neural Networks:

ANNs have the ability to learn and model non-linear and complex relationships , which is really important because in real-life, many of the relationships between inputs and outputs are non-linear as well as complex. When does a neural network not perform well?
  • When we have low error on training data set and high error on test or validation data set. This means the model is not generalizing well and has a high variance. This implies that model cannot generalizes the insights from the training data set and hence performs poorly on unseen test data or validation data.
Do neural networks work better than othjer?

Chapter 5: we will build two Neural Networks and test how well they can classify the Iris Flower, so you can see if you can do it better than Neural Network or not. For you to know, the Neural ...

Why are neural networks better than google?

For decades, neural networks were out of favor because the lack of a computationally effective method to fit them to the data. There were two essential advances, which made their use feasible: backpropagation and general purpose GPU-s. With these two under your belt, training huge neural networks is a breeze.