Course Era Google Data Analytics Process Data from Dirty to Clean VOCAB

Population

all possible data values in a certain dataset

Sample

part of a population that’s representative of the population / A subset of your population

Data integrity

accuracy, completeness, consistency, and trustworthiness of dad throughout its lifecycle

Data replication

storing data in multiple locations

Data manipulation

process of changing data to make it more organized and easier to read

Validity

the concept of using data integrity principles to ensure measures conform to

Accuracy

the degree to which the data conforms to the actual entity being measured or described

Consistency

the degree to which data is repeated from different points of entry or collection

sample size

a part of a population that is representative of the population

sampling bias

when a sample isn't representative of the population as a whole.

data merging

a sample that isn’t representative of the population as a whole

compatibility

how well two or more datasets are able to work together