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Data wrangling, also known as data munging, is the process of cleaning, structuring, and transforming raw data into a format suitable for analysis. It includes tasks such as handling missing values, correcting data inconsistencies, and reshaping data, which are essential steps before performing any analysis. Proper data wrangling ensures that datasets are accurate, complete, and compatible with analytical methods, thereby enabling reliable results. This preparatory stage is foundational to any data-driven project, as quality data directly impacts the insights and conclusions drawn from the analysis. The other options are incorrect because: • Option 1 (Generating insights from visualizations) is part of data interpretation, not wrangling. • Option 2 (Applying machine learning) is part of modeling, which occurs after data wrangling. • Option 4 (Optimizing storage) is a data engineering task, unrelated to data wrangling. • Option 5 (Validating hypotheses) is part of analysis, not the initial data preparation process.
Select the number from among the given options that can replace the question mark (?) in the following series.
337, 354, 373, 394, 417, ?
CALANDER is coded in a code as CLANAEDR. Find the code for CIRCULAR under the same rule.
Which two signs should be interchanged to make the given equation correct?
28 +12 – 21 ÷ 7 × 4 = 60
'Dove' is related to 'peace' in the same way as 'sloth' is related to:
Change the question mark with the option that follows the applied logic in the first pair.
Net : Fish :: Antenna : ??
Find the wrong number in the following number series:
1250, 500, 200, 80, 30
A working clock is placed on a table in such a manner that at 9.00 p.m., its hour hand is pointing towards north. If the same clock remains in the same ...
Select the set in which the numbers are related in the same way as are the numbers of the given set.
(NOTE: Operations should be performed on the...
Select the figure that will replace the question mark (?) in the following series.
In a certain code language, THEN is written as RLBS. Which word will be written as AEPJ in that code language?