The phrase "a group of techniques" is correct and usable in written English.
It can be used when referring to multiple methods or approaches that are categorized together for a specific purpose or field.
Example: "In this workshop, we will explore a group of techniques that can enhance your creative writing skills."
Alternatives: "a set of techniques" or "a collection of techniques".
In fact, AI is not simply the creation of intelligent robots, but a term that describes a group of techniques and approaches in engineering and technology.
The center notes that the term meditation refers to a group of techniques, many of them rooted in Eastern religious or spiritual traditions, including mantra, meditation, relaxation response and Zen Buddhist meditation.
Zone melting, any of a group of techniques used to purify an element or a compound or control its composition by melting a short region (i.e., zone) and causing this liquid zone to travel slowly through a relatively long ingot, or charge, of the solid.
Data protection: A group of techniques used to preserve three desirable aspects of data confidentiality, integrity and availability.
Ion beam analysis (IBA) includes a group of techniques for the determination of elemental concentration depth profiles of thin film materials.
According to (Witten and Frank 2005), Data preprocessing is a group of techniques for clean the data set with different noise levels, delete missing values, and processing outliers among others funcionalities.
CA is a group of multivariate techniques whose primary purpose is to assemble objects based on the characteristics they possess.
It is a group of geostatistical techniques employed to interpolate the value of a random field at an unobserved location from observations of its value at nearby locations.
Cluster analysis is a group of multivariate techniques whose primary purpose is to assemble objects based on the characteristics they possess.
Kriging is a group of geostatistical techniques to predict the value of a field at an unobserved location from observations of its value at nearby locations.
Conceptually, genome engineering is based on the so called genome editing technologies, a group of genetic techniques that allow either to delete or to insert genetic information in a particular genomic locus.
