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    Examples:
                      Voice commands (e.g., “Hey Google”)

                      Music and soundtracks
                      Phone conversations
                      Audiobooks and podcasts

                      Characteristics of Good Data

                      To ensure effective use in AI modelling, data must be:
                      Relevant: Closely related to the problem being solved.

                      Accurate: Free from errors and inconsistencies.
                      Complete: All necessary fields are filled.

                      Timely: Up-to-date and reflects current conditions.
                      Balanced: No over-representation or under-representation of any group (to avoid bias).
                      Formatted: Structured correctly for easy analysis (e.g., tabular, JSON, XML, etc.)

                      Sources of Data

                      Data for any project, including AI projects, can be collected from two main sources: Primary and
                      Secondary sources. Understanding these sources helps ensure the data is reliable and suitable
                      for analysis.
                      Primary source of data

                      Primary data is original data collected directly from the source for the first time. This data is
                      specifically gathered to address the research problem or project requirements and has not been
                      previously published or used by others.

                                                            Primary source of data

                             Surveys                    Interviews           Observations                  Experiments
                          Questionnaires                One-on-one         Systematic recording           Controlled tests
                          distributed to a                or group           of behaviours or             where variables
                          selected group of             conversations         events as they             are manipulated to
                        people to gather their          conducted to         naturally occur,            observe effects and
                        opinions, behaviours           obtain in-depth      without interference.           outcomes.
                          or preferences.               information.

                      Some advantages of Primary data are as follows:

                      Highly relevant and specific to the problem.

                      Control over the data collection process, ensuring accuracy and reliability.
                      Can provide up-to-date and real-time information.

                                     AI RoboGenius - VIII
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