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.
If in the word " JOURNAL ", all the consonants are changed to 3rd preceding and all the vowels are changed to immediately preceding letter as per the En...
Aditi is the daughter of Sanket. Vritti is the daughter of Ankit. Kriti is the mother of Mahi. Neeta is Sanket's wife. Neeta is the mother-in-law of Vri...
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.
Four number-pairs are given, three of them are alike in a certain manner and one is different. Choose the different number-pair.
Three out of four words are similar in a way. Find the odd one out.
Identify the letter-cluster that does not belong to the following series.
EAM, FXN, GUO, HRP, IPQ, JLR
Three of the following words are alike in some manner and hence form a group. Which word does NOT belong to that group? (The words must be considered as...
Statement:
Only a few Gold are Silver
No Gold are Diamond
Conclusion:
I. Some Silver are not DiamondÂ
II. Som...
Find the odd word pair out from the given options.
In the following question, select the odd one from the given alternatives.