How to calculate dimension using PCA

1 visualización (últimos 30 días)
Kong
Kong el 25 de Mzo. de 2020
Respondida: Jalaj Gambhir el 7 de Abr. de 2020
Hello.
I want to classify videos.
After applying dimensionality reduction like PCA, I got this data.
The original data : 25290 x 25
The reduced data : (2~25) x 25
I can't reduce data more 25 dimension.
I want to get more dimension like (50 x 25), (100 x 25), (100 x 25), etc.
However, the dimension is reduced until 25 x 25. Could you explain this problem?

Respuesta aceptada

Jalaj Gambhir
Jalaj Gambhir el 7 de Abr. de 2020
You can specify the number of components you require while applying PCA using 'NumComponents' option.
Have a look here.

Más respuestas (0)

Categorías

Más información sobre Dimensionality Reduction and Feature Extraction en Help Center y File Exchange.

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by