Gram Positive Purple Retention Classifier

Decode actual caller purple stain-pattern observation with explicit valid controls; not image detection, cell-wall assay, organism identity or clinical diagnosis.

Description

Gram Positive Purple Retention Classifier: return observation class, species identified.

A purple Gram-stain observation records stain retention under the declared procedure. Controls help determine whether that observation can be interpreted.

This tool returns observation class, species identified. Use the stated units and model convention when interpreting these fields.

When to use this tool

Use this tool when the supplied inputs match the specific operation described above and you need a repeatable result under its stated convention.

Check the supported input and output contract against an existing calculation or observation.
Use the complete example to confirm units, selector spelling and result interpretation.

How to use the tool and how it works

Enter every field in the input table using the stated units and the exact supported selector spelling where applicable.
Run the tool. Correct input errors before interpreting an output.
Read the result fields below; use accompanying flags and the stated sign, boundary or model convention when interpreting a number.

For valid controls, purple returns Gram-positive staining pattern and other returns target pattern not observed. Unknown observations or invalid controls return uninterpretable.^[1]

Input field	Meaning and units	Accepted input
observedStainPattern	Observed stain pattern.	Exact value: "purple", "other", "unknown"
controlsValid	Whether the caller has independently established that the experimental controls are valid.	true or false

Output field	Interpretation
result	Object containing the following named result fields.
result.observationClass	Classification of the supplied observation and control flag under the stated mapping.
result.speciesIdentified	Always false; the observation does not identify a species.

json

{
  "input": {
    "observedStainPattern": "purple",
    "controlsValid": true
  },
  "output": {
    "result": {
      "observationClass": "Gram-positive staining pattern",
      "speciesIdentified": false
    }
  }
}

Limitations and assumptions

The tool does not measure a cell wall, identify a species or analyze an image.
Every declared field is required and unexpected fields are rejected. Numeric inputs must be finite; input errors are distinct from a valid false result or an explicitly qualified output.
Extremely large inputs and nonfinite or excessively large outputs are rejected. List positions reported by the tool use zero-based indices unless stated otherwise.

Alternative or Complementary methods

Check the underlying observations, units and conventions independently before using the result in a larger workflow. The tools listed below address nearby tasks; compare their inputs and scope before substituting one for this operation.

References

Tool behavior and example: Gram Positive Purple Retention Classifier — tool.io

Similar or alternative tools

Gram Negative Pink Decolorized Classifier
Decode actual caller pink stain-pattern observation with explicit valid controls; not image detection, cell-wall assay, organism identity or clinical diagnosis.
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Decode actual caller red-fuchsia stain-pattern observation with explicit valid controls; not image detection, cell-wall assay, organism identity or clinical diagnosis.