how to generate attribute from existed attribute?

Vihar

my data set has an attribute which has several pieces of information in text format. I want to extract some words from that text and generate attributes in such a way that it gives information in boolean that the sample has this word or not?

yyhuang

You may try some functions in Generate Attribute operator, such as contains(), match().
https://community.rapidminer.com/discussion/41805/generate-attributes-function-expression-for-text-exists