Contents
- 1 How is the size of the dataset related to the skill of the model?
- 2 How to measure the quality of a data set?
- 3 How big of a data set do you need to train a regression model?
- 4 How does dimensional modeling simplifies data modeling?
- 5 How to deal with small data sets in machine learning?
- 6 How to find out how good your dataset size is?
- 7 When is a data set small for deep learning?
Plotting the result as a line plot with training dataset size on the x-axis and model skill on the y-axis will give you an idea of how the size of the data affects the skill of the model on your specific problem. This graph is called a learning curve.
How to measure the quality of a data set?
The preceding adage applies to machine learning. After all, your model is only as good as your data. But how do you measure your data set’s quality and improve it? And how much data do you need to get useful results?
How is reliability measured in a data set?
Reliability refers to the degree to which you can trust your data. A model trained on a reliable data set is more likely to yield useful predictions than a model trained on unreliable data. In measuring reliability, you must determine: How common are label errors? For example, if your data is labeled by humans, sometimes humans make mistakes.
How big of a data set do you need to train a regression model?
As a rough rule of thumb, your model should train on at least an order of magnitude more examples than trainable parameters. Simple models on large data sets generally beat fancy models on small data sets. Google has had great success training simple linear regression models on large data sets.
How does dimensional modeling simplifies data modeling?
Faster database performance Dimensional modeling creates a database schema that is optimized for high performance. This means fewer joins, minimized data redundancy, and operations on numbers instead of text which is almost always a more efficient use of CPU and memory. 3. Flexible to business change
When to use upsampling or downsampling in machine learning?
Generally upsampling is preferred when the overall data size is small while downsampling is useful when we have a large amount of data. Similarly, random vs clustered sampling is determined by how well the data is distributed. For detailed understanding please refer to the following blog.
How to deal with small data sets in machine learning?
Above figure tries to capture the core issues faced while dealing with small data sets and possible approaches and techniques to address them. In this part we will focus on only the techniques used in traditional machine learning and the rest will be discussed in part 2 of the blog.
How to find out how good your dataset size is?
In order to find out how good your dataset size is, one measure is over-fitting. try to classify your data using training set and then repeat the classification using cross validation.If you increase the data size it gives better results in CNN classification process’s. Hi, were you able to find some papers regrading to your question?
How to reduce the size of training dataset?
It can help reduce the amount of data required. There are loads of other ‘tricks’ discussed in the literature on ways to squeeze maximum advantage from a small training dataset. It really is pretty hard (if not impossible) to give a ‘one size fits all’ answer.
When is a data set small for deep learning?
There is some good articles that described ways of using deep learning models when the data set is small: is performed on MNIST and devolves in to a problem that can be solved with a linear classifier as identified in the blog itself.