query: What is the difference between known variables and unknown variables?
positive_passages.docid: 15999
positive_passages.text: Formal definition of equation and unknowns
negative_passages.docid: 136679
negative_passages.text: What is the distribution of the variance of a sample from an unknown distribution?
negative_passages.docid: 150004
negative_passages.text: Estimated standard deviation of difference between means in case of known and unknown variance?
negative_passages.docid: 37883
negative_passages.text: Java String variable setting - reference or value?
negative_passages.docid: 116784
negative_passages.text: Default variable value
negative_passages.docid: 89046
negative_passages.text: Difference between "var", "let" and "const"
negative_passages.docid: 86659
negative_passages.text: Difference between shell variables which are exported and those which are not in bash
negative_passages.docid: 5843
negative_passages.text: Why do people rule out local hidden variables?
negative_passages.docid: 71139
negative_passages.text: What is the difference between if(CONST==variable) or if(variable==CONST)?
negative_passages.docid: 20165
negative_passages.text: How to initialize var?
negative_passages.docid: 38499
negative_passages.text: Difference between declaring variables before or in loop?
negative_passages.docid: 27212
negative_passages.text: Variables might not have been initialized
negative_passages.docid: 63109
negative_passages.text: What's the point of the var keyword?
negative_passages.docid: 59348
negative_passages.text: The difference between ++Var and Var++
negative_passages.docid: 112198
negative_passages.text: Global Variables vs. Local Variables
negative_passages.docid: 42204
negative_passages.text: Effect of declared and undeclared variables
negative_passages.docid: 111657
negative_passages.text: Difference between "if x" and "if x is not None"