Duplicate rows refer to all the values across all columns that are the same in two or more rows. To…
A vector is a data structure that holds the same type of data. When working with real-time data, it may…
No matter how much technology has improved over the years for storing and sharing data, one format is still widely…
Most real-world data resides in external sources, including CSVs, Excels, Texts, or Databases. To bring back the data from these…
When you are working with large datasets, you often come across names that are in inconsistent formats or capitalization. To…
In the real world, data is not static. You need to keep updating it or adding new data to an…
Dimensions are the structure of the data. A matrix has two dimensions: a row and a column, while an array…
If you are working with a data frame where you need to perform mathematical operations like addition and subtraction on…
When you are working with real-time projects, you often come across raw datasets where columns have names like ("v1", "var2",…
If you want to put data validation in progress, you must identify the file type or "MIME Type" before processing.…