My Decision Model

Goals

davidvhill / gist:c71ec05730994e5f1fb1f39b2dd57dd6

Last active September 21, 2020 14:45

Function with Retry

	;; Returns a function with retries.
	;; retries: num of retries
	;; delay: delay between retries in milliseconds
	;; f: function to apply
	;; ef: error function, determines if f should be retried
	;; f and ef should not throw Exceptions

	(defn with-retry
	[retries delay f ef]
	(fn [& args]

davidvhill / core.clj

Last active February 20, 2020 18:12

Clojure yield-on-cost report

	(ns compound.core
	(:gen-class))

	;; items is :label, dividend rate, dividend growth rate
	(def items [[:abbv 0.0504 0.209]
	[:mo 0.07 0.10]
	[:pru 0.0472 0.13]
	[:abc 0.0178 0.10]
	[:amp 0.0219 0.11]
	[:cm 0.0521 0.036]

davidvhill / numberize.clj

Created December 6, 2019 19:11

Numerizing Made Simple

	(require '[clojure.edn :as edn])

	;; props to didibus https://clojuredocs.org/clojure.core/num

	(defn numberize
	[value]
	(edn/read-string value))

davidvhill / davidvhill.clj

Last active May 20, 2019 20:51

Determine if all sequences are the same length

davidvhill / changedetection.clj

Last active May 21, 2019 13:50

Spec'd beginning of Clojure based change detection

	(ns tmpclj.changedetection
	(:require [clojure.spec.alpha :as s])
	(:gen-class))

	(s/def ::dates (s/coll-of int?))
	(s/def ::reds (s/coll-of float?))
	(s/def ::greens (s/coll-of float?))
	(s/def ::blues (s/coll-of float?))
	(s/def ::nirs (s/coll-of float?))
	(s/def ::swir1s (s/coll-of float?))

davidvhill / compounding.py

Last active September 11, 2018 20:01

Compound interest function

	""" Compute compound interest given a rate, period and periodic rate increase

	Args:
	start: starting number
	periods: compounding period
	rate_growth: compounding rate growth rate
	rate: starting compounding rate

	Returns:
	Final compounded value

davidvhill / firebird.py

Last active March 16, 2018 20:23

A Function I Am Proud Of

	@entrypoint.command()
	@click.option('--x', '-x', required=True)
	@click.option('--y', '-y', required=True)
	@click.option('--acquired', '-a', required=True)
	@click.option('--number', '-n', required=False, default=2500)
	def changedetection(x, y, acquired, number=2500):
	"""Run change detection for a tile over a time range and save results to Cassandra.

	Args:
	x (int): tile x coordinate

davidvhill / ants.clj

Created February 2, 2018 00:41 — forked from michiakig/ants.clj

Clojure ant sim from Rich Hickey

	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Ant sim ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	; Copyright (c) Rich Hickey. All rights reserved.
	; The use and distribution terms for this software are covered by the
	; Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
	; which can be found in the file CPL.TXT at the root of this distribution.
	; By using this software in any fashion, you are agreeing to be bound by
	; the terms of this license.
	; You must not remove this notice, or any other, from this software.

	;dimensions of square world

davidvhill / apply.py

Last active September 6, 2017 06:55

Some structure.

	from datetime import datetime
	import d2d.user
	import d2d.user.search
	import d2d.notifications.send

	####################################################################
	# Method 1, detach interface from implementation
	# Indirectly reference dependencies from vals
	####################################################################