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Can neural network handle missing values?
Backpropagation neural networks have been applied to prediction and classification problems in many real world situations. We conclude that network reduction can be a useful method for dealing with missing values in diagnostic systems based on backpropagation neural networks.
How do you debug a neural network?
How do I debug an artificial neural network algorithm?
- collect more training samples if possible.
- decrease the complexity of your network (e.g,. fewer nodes, fewer hidden layers)
- implement dropout.
- add a penalty against complexity to the cost function (e.g., L2 regularization) Q.
How do you treat missing values?
Popular strategies to handle missing values in the dataset
- Deleting Rows with missing values.
- Impute missing values for continuous variable.
- Impute missing values for categorical variable.
- Other Imputation Methods.
- Using Algorithms that support missing values.
- Prediction of missing values.
Is it possible to train a neural network with missing data?
A number of practical problems have missing data in the datasets. These missing data are sometimes indispensable for solving problems. Therefore, people cannot simply ignore these missing data in datasets. A naive way for dealing with missing values is to fill them with a constant or a mean of its class.
Which is difficult to handle by a neural network?
Let’s assume for a minute the dataset had an additional column called “email domain” which holds domains such as “@gmail.com” “@hotmail.com” and private domains such as “@pascalbrokmeier.de”. This list may hold thousands of unique values and these values are very difficult to handle by a neural network.
How are categorical values handled in neural networks?
In the context of a coding exercise in 2018, I was asked to write a sklearn pipeline and a tensorflow estimator for a dataset that describes employees and their wages. The goal: Create a predictor to predict if someone earns more or less than 50k a year. One of the issues I had was the handling of categorical values.
How are categorical values handled in a NN?
One of the issues I had was the handling of categorical values. While a decision tree or forest has no issues with such data (they actually work really well with it), it’s a bit more tricky to handle with a NN. Of course, we all learned One-Hot-Encoding is a way to map this kind of data into a NN passable format.