Pearson and Spearman correlation of two lists with p-values, r-squared, strength
Pearson and Spearman correlation of two lists with p-values, r-squared, strength label and a flag for monotonic but non-linear relationships
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Endpoint
GET https://saylorinnovations.com/api/stats/correlation
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | no x402 terms | 404 | 231 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"x": "1,2,3,4,5",
"y": "2,4,5,4,5"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"x": {
"description": "Comma-separated values, 3-1000",
"type": "string"
},
"y": {
"description": "Comma-separated values, same count as x",
"type": "string"
}
},
"required": [
"x",
"y"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"monotonic_but_not_linear": {
"description": "Monotonic but not linear",
"type": [
"boolean",
"null"
]
},
"n": {
"type": "number"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"pearson_p_value": {
"description": "Pearson p value",
"type": "number"
},
"pearson_r": {
"description": "Pearson r",
"type": "number"
},
"pearson_r_squared": {
"description": "Pearson r squared",
"type": [
"number",
"null"
]
},
"significant_at_5_percent": {
"description": "Significant at 5, as a percentage",
"type": "boolean"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"spearman_p_value": {
"description": "Spearman p value",
"type": "number"
},
"spearman_rho": {
"description": "Spearman rho",
"type": "number"
},
"strength": {
"type": "string"
}
},
"required": [
"n",
"pearson_r",
"spearman_rho"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}