Land Productivity Rate Classifier

Classify land productivity using caller-supplied output, area, and rate threshold.

Description

Land productivity relates output to area before comparing with a selected minimum rate.

Land productivity relates output to area before comparing with a selected minimum rate. Common area and output units make the quotient interpretable.1

Classify land productivity using caller-supplied output, area, and rate threshold.

When to use Land Productivity Rate Classifier

Use this tool to classify land productivity using caller-supplied output, area, and rate threshold.

Choose the specific arithmetic or checklist scenario and establish its input amounts, dates, rates and criteria from the applicable records. Keep currencies, periods and jurisdictions consistent; review the tool-specific assumptions before interpreting the result.

How to use Land Productivity Rate Classifier and understand its results

  1. Choose the specific arithmetic or checklist scenario and establish its input amounts, dates, rates and criteria from the applicable records. Keep currencies, periods and jurisdictions consistent; review the tool-specific assumptions before interpreting the result.
  2. Enter annualProductiveOutput, landArea, productiveThresholdPerArea using the field table and calculation rules, then run the tool.
  3. Read outputPerArea, meetsProductiveThreshold, classification. The explanation below defines the units, signs, ordering and any flags or placeholder values.
  4. If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.
Input fieldMeaningValue type; see rules belowRequirement
annualProductiveOutputAnnual productive output (currency/year)number; minimum: 0Required
landAreaLand area (area)number; minimum: 0Required
productiveThresholdPerAreaProductive threshold per area (currency/area)number; minimum: 0Required

Enter positive area and nonnegative output/threshold. Read output per area, inclusive threshold flag and productive/nonproductive classification.

productivity=output/area; margin=productivity−threshold; productive=margin≥0

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output fieldMeaningValue type
outputPerAreaOutput per area (currency/area)number; minimum: 0
meetsProductiveThresholdMeets productive thresholdboolean
classificationCaller-threshold classificationstring; one of "productive", "nonproductive"
json
{
  "input": {
    "annualProductiveOutput": 40000,
    "landArea": 20,
    "productiveThresholdPerArea": 1500
  },
  "output": {
    "outputPerArea": 2000,
    "meetsProductiveThreshold": true,
    "classification": "productive"
  }
}

Limitations and assumptions

No land-use eligibility, property appraisal, soil characteristics or legal classification is established.

Numeric inputs must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors. A successfully returned false flag is an evaluated outcome; its meaning is explained above.

Alternative or Complementary methods

Use Assessment Comparable Score: Weight comparable assessments by caller-assigned similarity and measure the subject variance. For a complementary task, use TIF Revenue Increment: Calculate captured tax-increment revenue from caller-supplied values and rates.

References

  1. Land Productivity Rate Classifier — tool.io

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