Email spam, also known as unsolicited bulk email (UBE), or junk mail, is the practice of sending unwanted email messages, frequently with commercial content, in large quantities.
Spamming is the use of messaging systems to send an unsolicited message (spam) to large numbers of recipients for the purpose of commercial advertising, for the purpose of non-commercial proselytizing, or for any prohibited purpose (especially the fraudulent purpose of phishing). While the most widely recognized form of spam is email spam, the term is applied to similar abuses in other media: instant messaging spam, Usenet newsgroup spam, Web search engine spam, spam in blogs, wiki spam, online ...
Classification Problems: Naive Bayes is a classification algorithm suitable for binary and multiclass classification. Log Probabilities: The calculation of the likelihood of different class values involves multiplying a lot of small numbers together. This can lead to an underflow of numerical precision.
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