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What are some inherent challenges in using decision tree?
lScale of the system lConstraints lPower lCommunication lComputation lConstant change lDistribution and decentralization lUncertainty from sensor measurements
What is a multiplacation problem using the numbers 45 and 17?
45 times 17.
What is considered before using secondary data?
relevance, consistency, method of collection used, validity, reasons for which the data were collected, reliability, completenes e.t.c
What precautions must be taken while using Secondary Data?
What are the Precautions you must take while using Secondary Data? The investigator should take precautions before using the secondary data. In this connection, following precautions should be taken into account. 1. Suitable Purpose of Investigation: The investigator must ensure that the data are suitable for the purpose of enquiry. 2. Inadequate Data: Adequacy of the data is to be judged in the light of the requirements of the survey as well as the geographical area covered by the available data. 3. Definition of Units: The investigator must ensure that the definitions of units which are used by him are the same as in the earlier investigation. 4. Degree of Accuracy: The investigator should keep in mind the degree accuracy maintained by each investigator. 5. Time and Condition of Collection of Facts: It should be ascertained before making use of available data to which period and conditions, the data was collected. 6. Comparison: Investigator should keep in mind whether the secondary data' reasonable, consistent and comparable. 7. Test Checking: The use of the secondary data must do test checking and see that totals and rates have been correctly calculated. 8. Homogeneous Conditions: It is not safe to take published statistics at their face value without knowing their means, values and limitations.
What does quantitative methods mean?
a method using numbers, my friend. it means solving a problem or discussing an issue using either axiomatic mathematics, or classical physics; working with a good scientific calculator and being accurate with your significant digits.
What are the benefits of using secondary sources?
more sources
Why should researchers be cautious about using secondary sources?
Researchers should be cautious about using secondary sources because they may not always be accurate or reliable. Information can be misinterpreted or biased as it passes through multiple sources. Relying solely on secondary sources could lead to misinformation or incomplete understanding of the topic.
Types of sources of information?
Types of sources of information include primary, secondary, and tertiary. Primary sources are from the original source. Secondary are a commentary using primary sources. Tertiary sources are largely expert opinion.
What is one advantage of using secondary sources when doing research?
One advantage of using secondary sources is that they provide a summary or analysis of existing research, which can save time and effort in gathering information. Additionally, secondary sources can offer different perspectives or interpretations of the topic, enhancing the depth of understanding.
What is a secondary siurce for hiatorian?
Frequently, they also take advantage of the work of other historians by using other secondary sources.
Why do you have to use primary and secondary sources?
Primary sources provide firsthand accounts or original data, while secondary sources analyze and interpret primary sources. Using both types of sources ensures that your research is well-rounded, gives credibility to your argument, and helps avoid bias or misinformation.
What is an example of a secondary energy source?
Electricity is considered a secondary energy source because it is produced using primary energy sources such as coal, natural gas, or renewable sources like solar or wind energy.
What does Secondary sources of energy mean?
Secondary sources of energy refer to forms of energy that result from the conversion or transformation of primary sources of energy. These sources include electricity, which is often generated using primary sources like coal, natural gas, or renewable resources like wind or solar power. Secondary sources of energy are widely used for powering various applications in our daily lives.
Is a autobiography a primary source or secondary source?
If we are using his original words, from documents that he personally wrote, those are primary sources. If we are using other people's interpretations (whether scholars or researchers or historians), those are secondary sources.
How can a research paper effectively incorporate both primary and secondary sources to enhance the depth and credibility of the study?
A research paper can effectively incorporate both primary and secondary sources by using primary sources, such as original documents or data, to provide firsthand evidence and support arguments. Secondary sources, like scholarly articles or books, can be used to provide context, analysis, and additional perspectives on the topic. By combining both types of sources, the paper can offer a more comprehensive and credible examination of the subject matter.
What problems of secondary data quality must researchers face?
Researchers who use secondary sources must make their best efforts to verify the accuracy of the information. For example, a researcher who cites a newspaper article about a court hearing should dig further to verify the information. To do this they may need to get transcripts of the court hearing. It may not always be easy to verify secondary data in research, but every effort must be made in order to prove the credibility of the sources being used in any research. Researchers must also determine the value of secondary sources at times. If no primary sources are available a researcher must use secondary sources. In order to use credible secondary sources and retrieve honest and accurate information a researcher must validate the sources by evaluating them thoroughly. To evaluate secondary sources a researcher must consider the purpose, scope, authority, and audience that the information is based on (Cooper & Schindler, 2006, Ch. 7). Determining these factors will help a researcher choose secondary sources that have strong value. Secondary data is a source that many researchers will have to use at times. Using secondary data as the only available resource can cause problems of verification and credibility. This makes a researcher's job harder. Although the use of secondary resources can bring extra work, it must be done at times. For a researcher to get past the problems of credibility presented by secondary resources a researcher must take steps to verify secondary sources. A researcher must also make well thought out judgments on secondary resources if they want their research to appear credible and valid. Understanding the problems with secondary research data is the first step in determining how to deal with these problems.
Describe in details th advantages and disadvantages of secondary sources of information?
Secondary sources of information are those that have been previously compiled, analyzed, or interpreted by someone else, rather than being collected firsthand. These sources can provide valuable insights and information for research or decision-making, but they also have some advantages and disadvantages. Advantages of Secondary Sources: Accessibility: Secondary sources are readily available and easy to access. They are often published and distributed widely, making them more accessible than primary sources, which may be difficult to locate or obtain. Cost-effective: Secondary sources are often less expensive than primary sources. This is because primary data collection can be time-consuming and expensive, while secondary sources can be obtained at a lower cost. Large sample size: Secondary sources often provide a large sample size, which can be useful for statistical analysis and generalization. For example, census data provides a large sample of a population, making it useful for studying Demographics and trends. Time-saving: Secondary sources can save time, as they have already been compiled and analyzed. Researchers can use them to quickly gain an overview of a subject, identify trends, or develop a hypothesis. Broad perspective: Secondary sources can provide a broad perspective on a subject, as they often draw on a range of sources and viewpoints. This can be useful for developing a comprehensive understanding of a topic. Disadvantages of Secondary Sources: Quality issues: The quality of secondary sources can vary widely. Some sources may be outdated, inaccurate, or biased, making them unreliable or unsuitable for research. Limited scope: Secondary sources may have a limited scope, focusing only on a particular aspect of a subject. This can be a disadvantage for researchers who need a more comprehensive understanding of a topic. Lack of control: Researchers have no control over the design, methodology, or data collection process of secondary sources. This can make it difficult to assess the quality and reliability of the information. Inappropriate for some research: Some research questions may require primary data collection, such as when the required information is not available in secondary sources or when the research question requires specific data that cannot be obtained from secondary sources. Copyright issues: Some secondary sources may be subject to copyright restrictions, which can limit their use or distribution. In conclusion, secondary sources of information have both advantages and disadvantages. They can be a useful tool for research and decision-making, but researchers need to be aware of their limitations and potential quality issues. It is important to critically evaluate secondary sources before using them to ensure that they are reliable and appropriate for the research question at hand.
