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Discuss different steps involved in Data Preprocessing.
written 7.3 years ago by gravatar for aartisahitya aartisahitya • 160 modified 4.2 years ago by gravatar for prashantsaini prashantsaini • 0
data warehouse and mining
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written 7.3 years ago by gravatar for aartisahitya aartisahitya • 160

Steps Of data preprocessing:

1.Data cleaning: fill in missing values, smooth noisy data, identify or remove outliers, and resolve inconsistencies.

2.Data integration: using multiple databases, data cubes, or files.

3.Data transformation: normalization and aggregation.

4.Data reduction: reducing the volume but producing the same or similar analytical results.

5.Data discretization: part …

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