QDA Miner User’s Manual 89
Coding Analysis Features
QDA Miner provides several tools to assist in the coding task and to perform descriptive, comparative
and exploratory analysis of codings. These tools may be used to systematize the coding of documents,
ensure coding consistency, identify regularities and patterns in coding, uncover hidden relationships
between codes and other properties of the cases, etc.
The Text Retrieval tool searches for specific text patterns in documents. Complex search patterns may
be performed using Boolean operators. This search can be performed on all documents in a project or
restricted to specific ones or to some coded segments.
The Query by Example retrieval tool may be used to search for text segments that are, in some ways,
similar to a given example. It may also be used to find text similar to all segments associated with a
specific code, and thus retrieve sentences or paragraphs that may potentially be coded the same way.
The Section Retrieval tool searches structured documents for sections bounded by fixed delimiters. This
feature is especially useful to automatically assign codes to recurring sections within a document or in
multiple documents. You can search in all documents in a project or restrict the search to specific
The Keyword Retrieval Feature can retrieve any document, paragraph, sentence, or coded segment
containing a specific WordStat keyword or a combination of keywords.
The Coding Frequency tool allows one to obtain a list of all codes in the current codebook along with
their description and various statistics such as their frequency, the number of cases in which they are
found, and the total number of words in the associated text segments. This dialog box also allows one to
produce bar charts and pie charts from those statistics.
The Coding Retrieval tool lists all text segments associated with some codes or with specific patterns of
codes. Complex search patterns may include criteria such as proximity, overlapping, inclusion, sequential
The Codes Co-occurrences tool uses information about the proximity or the co-occurrence of codes
within documents to explore potential relationships among them as well as similarities among cases. This
dialog box gives access to various statistical and graphic tools, such as cluster analysis, multidimensional
scaling, and proximity plots.
The Coding Sequences tool can be used to identify recurring sequences of codes. This feature can
produce frequency lists of all sequences involving two selected sets of codes as well as the percentage of
time one code follows or is followed by another one.
The Coding by Variable tool is useful for identifying or testing potential code similarities or differences
between subgroup of cases (categorical variable) or to assess the relationship between these codes and
other numerical variables. Various statistical and graphical tools are used for this purpose such as
contingency tables, association statistics, bar charts and line charts, heatmaps, correspondence plot, etc.