Most of the FAQs here have been reproduced from previous comments and inquiries about the spec from various sources.
For a review of the BA specialisation on a whole, click… 600 more words
It’s that time of the year again when decisions have to be made – by the year 1 business peeps regarding their specialisation.
Since my year, there has been 2 new specialisations, Business Analytics and Risk Management. 1,515 more words
Pre-processing involves feature selection, feature scaling, and dimensionality reduction.
✓ Feature selection – We are only interested in retaining meaningful features that can help to build a good classifier. 811 more words
Data cleansing is a process of removing incorrect, inaccurate, incomplete, improperly formatted, and duplicated data. The quality of data affects the data analysis results. In many real-world scenarios, we have the problem of incomplete or missing data, and missing or sparse data can also lead to highly misleading results. 455 more words