A General Inductive Approach for Analyzing Qualitative Evaluation Data, David R. Thomas, University of Auckland. The collection of qualitative data in evaluation is common. However, knowledge about strategies for efficient and defendable procedures for analyzing qualitative data is less common. A general inductive approach for analysis is described. researchgate 
The Process of Inductive Coding
Inductive coding begins with close readings of text and consideration of the multiple meanings that are inherent in the text. The evaluator then identifies text segments that contain meaningful units and creates a label for a new category to which the text segment is assigned. Additional text segments are added to the categories to which they are relevant. At some stage, the evaluator may develop an initial description of the meaning of a category and write a memo about the category (e.g., associations, links, and implications). The category may also be linked to other categories in various relationships, such as a network, a hierarchy of categories, or a causal sequence.
Writing the Findings
When reporting findings from inductive analysis, the summary or top-level categories are often used as main headings in the findings, with specific categories as subheadings. It is good practice to include detailed descriptions of categories and suitable quotations from the text to illustrate the meanings of the categories.
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Contrast more informal methods in Commonplace Book and Zettelkasten.
Consider historical context in Leonardo's Method