In statistical analysis and scientific research, it is crucial to understand the differences between correlation and causation and to use sampling techniques effectively in order to draw accurate conclusions. Correlation refers to the relationship between two variables, while causation refers to a direct cause-and-effect relationship. Sampling allows researchers to study a population based on a…
Tag: best practices
Sample Non-Disclosure Agreement
The following is a sample Non-Disclosure Agreement that would be signed by a Contract or Freelance Data Analyst. As an analyst and engineer, I am obligated to keep the proprietary information that is shared with me, and that I produce for the client confidential. I gladly sign these and hold my honesty and integrity above all…
Data Pipelines on Google Cloud Platform & Big Query
Data pipelines are a crucial aspect of data management and analysis, as they allow for the efficient and automated movement of data from one location to another. In Google Big Query, data pipelines can be created using a variety of Google Cloud Platform (GCP) tools, including Cloud Storage, Cloud Pub/Sub, and Cloud Functions. To create…
Formulas and Functions in Microsoft Excel
Commonly used formulas in Excel Microsoft Excel is a powerful tool for working with and analyzing data. It offers a wide range of formulas that can be used to perform a variety of calculations and functions. One of the most basic and commonly used formulas in Excel is the SUM formula, which is used to…
What is Data Governance?
What is data governance? Data governance is the process of managing and controlling the collection, storage, use, and dissemination of data within an organization. It involves establishing policies, procedures, and standards for managing data, as well as ensuring that these policies are followed by all members of the organization. Data governance can help organizations ensure…