## What is priori analysis in data structure?

A Priori Analysis − This is a theoretical analysis of an algorithm. Efficiency of an algorithm is measured by assuming that all other factors, for example, processor speed, are constant and have no effect on the implementation. A Posterior Analysis − This is an empirical analysis of an algorithm.

## What are Apriori analysis and Apostiari analysis of algorithms?

Apriori and Apostiari Analysis This analysis is a stage where a function is defined using some theoretical model. Hence, we determine the time and space complexity of an algorithm by just looking at the algorithm rather than running it on a particular system with a different memory, processor, and compiler.

**What is theoretical analysis of an algorithm?**

In theoretical analysis of algorithms, it is common to estimate their complexity in the asymptotic sense, i.e., to estimate the complexity function for arbitrarily large input. Analysis of algorithms is the determination of the amount of time and space resources required to execute it.

### What is time complexity analysis?

By definition, time complexity is the amount of time taken by an algorithm to run, as a function of the length of the input. If a statement is set to execute repeatedly then the number of times that statement gets executed is equal to N multiplied by the time required to run that function each time.

### What is the difference between priori and posteriori analysis?

A priori knowledge is that which is independent from experience. Examples include mathematics, tautologies, and deduction from pure reason. A posteriori knowledge is that which depends on empirical evidence.

**What is strong association rule give example?**

This rule shows how frequently a itemset occurs in a transaction. A typical example is Market Based Analysis….Association Rule.

TID | Items |
---|---|

2 | Bread, Diaper, Beer, Eggs |

3 | Milk, Diaper, Beer, Coke |

4 | Bread, Milk, Diaper, Beer |

5 | Bread, Milk, Diaper, Coke |

## What is the need for algorithm?

Algorithms are used in every part of computer science. They form the field’s backbone. In computer science, an algorithm gives the computer a specific set of instructions, which allows the computer to do everything, be it running a calculator or running a rocket.

## What is O n complexity?

O(n) represents the complexity of a function that increases linearly and in direct proportion to the number of inputs. This is a good example of how Big O Notation describes the worst case scenario as the function could return the true after reading the first element or false after reading all n elements.