2.10. Glossary¶
2.10.1. Definitions¶
Causation The action of causing something.
CSV File: Is a comma-separated values file that allows us to save data in a tabular format.
Choropleth: Takes in a set of geographic data and uses a map to show another collection of data.
Correlation Matrix: Is a table used to show the correlation between different variables in each cell.
Correlation: Is a relationship between two or more things.
Data analysis: Is the process in which data is inspected, cleansed, transformed, and modeled to discover useful information, conclusions, and supporting decision-making.
Google Sheets: Is a spreadsheet application that allows users to manipulate data.
Histogram: Is a graph used to display data.
Pearson correlation: Is a type of measurement; it measures the strength and direction of a linear relationship between two variables. -1 has a strong negative relationship, and +1 has a strong positive relationship.
Pivot table: Is a function used in Google Sheets to summarize, organize, sort, and perform other operations on data sets.
Standard Deviation: Is used to measure the degree of variation of a set of values.
2.10.2. Keywords¶
#N/A
In Google sheets, it is an error that shows up to indicate that there is missing information.
AVERAGEIF
Is a function in Google sheets that returns the average value in a range of cells based on specific criteria.
AVERAGE
Will ignore the text, and return the average value in a dataset.
CORREL
We can use the CORREL function to calculate the Pearson correlation between two ranges of data.
COUNTIF
Counts the number of cells in a range that meets a specific condition.
IF
This function uses a conditional and returns one value if it is ‘TRUE’ and another if it is ‘FALSE’.
IFERROR
Detects errors to replace it with a value that you have specified. If it does not encounter any errors, it returns the original value.
INDEX
Returns the content of a cell, specified by row and column offset.
MATCH
The MATCH function allows us to search for a value in a range of cells and return the position of that value
MAXIFS
In Google sheets, it is a function that returns the maximum value in a range of cells that meet specific conditions.
MEDIAN
Will determine the middle value in a numeric dataset.
MINIFS
A function used in Google Sheets that returns the smallest value that meets a specific criteria
MIN
Will return the minimum value in a numeric dataset
MODE
Will look for and return the most commonly occurring value in a dataset.
STDEV
Calculates the standard deviation.
SUM
This function returns the sum of a series of numbers.
SUMIF
Uses a conditional sum across a range and returns it.
TRIM
is used to remove repeated spaces in the text.
UNIQUE
Returns unique and discarding duplicate rows in a specific range. Unique returns the row in which the unique value first appears.
VLOOKUP
Is a function used in Google Sheets to extract and return a value from a table based on a specific condition.