The phrase "a series of techniques" is correct and usable in written English.
It can be used when referring to multiple methods or approaches employed to achieve a specific goal or outcome.
Example: "In this workshop, we will explore a series of techniques to improve your public speaking skills."
Alternatives: "a set of methods" or "a collection of strategies."
Through a series of techniques that combine prescribed postures, gestures, and breathing exercises, the practitioner brings the kuṇḍalinī up along the spine to his head.
Gareth Myatt's death prompted three separate inquiries, and in June 2004, the seated double embrace - which had been approved for use on children by the Home Office and the YJB as part of a series of techniques known as Physical Control in Care - was withdrawn from use within juvenile custody.
So let's get 2014 off on the right foot with a definition of big data, from researchers at St Andrews, that's fairly easy to understand: The storage and analysis of large and/or complex data sets using a series of techniques including, but not limited to: NoSQL, MapReduce and machine learning.
In this paper we present a series of techniques for identifying individuals from their GPS movements.
Their crystal phase, microstructure, and optical properties were investigated by a series of techniques.
A series of techniques are also used in this paper to refine the model's performance.
The standardized training session consisted of a PowerPoint (Microsoft, Redmond, WA, USA) presentation with voice-over and a series of technique videos.
Instead, a series of interpretative techniques must be used prior to applying the statistical techniques.
A series of communicative techniques involving celebrity are deployed, building up to a "big day": a rock festival or televised spectacle, a moment of ecstatic unity.
In December 2002, he was moved again to a C.I.A. prison in Poland and subjected to a series of interrogation techniques that included some not authorized by Justice Department guidelines.
