Question
Why is Exploratory Data Analysis (EDA) considered a
crucial step in the data analysis process?Solution
Exploratory Data Analysis (EDA) is a foundational step in data analysis that enables analysts to uncover the structure, patterns, and relationships within the data. Through visualizations and descriptive statistics, EDA provides insights into the distribution of data, potential outliers, and correlations between variables. These insights are critical for determining the appropriate analysis approach or modeling technique. By examining data comprehensively, EDA facilitates hypothesis formation and guides subsequent data preprocessing, feature engineering, and model selection, enhancing the reliability of analytical outcomes. The other options are incorrect because: • Option 1 is incorrect as EDA does not predict outcomes; rather, it helps prepare and understand data for predictive modeling. • Option 2 is inaccurate since EDA supports data cleaning but does not automate it fully. • Option 4 is incorrect; EDA may reveal insights that prompt feature engineering. • Option 5 confuses EDA with data transformation processes like encoding categorical variables.
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: After DNA replication, a new ...
The innermost layer of the human gut wall is:
Which of the following is the major anthocyanin responsible for red coloration in rose petals?
The department of agriculture, revenue and commerce was set up in .............................?
In which group of insects is the gizzard characterized by having four mobile lips with spines useful in staining procedures?
Anemophily is pollination by
Which of the following is not considered as temperate fruit?
Which scientist isolated the bacteria ,Bacillus radicola?
What are the factors of production?
Which of the following is used as an DNA hybridization based assays molecular markers?