dharmatech

Net Liquidity

Net Liquidity formula:

Net Liquidity = Federal Reserve Balance sheet - Treasury General Account - Reverse Repo

Twitter thread by Max Anderson:

https://twitter.com/maxjanderson/status/1546472693234470912

adityawarmanfw

     WITH generate_date AS (
        SELECT CAST(RANGE AS DATE) AS date_key 
          FROM RANGE(DATE '2009-01-01', DATE '2013-12-31', INTERVAL 1 DAY)
          )
   SELECT date_key AS date_key,
          DAYOFYEAR(date_key) AS day_of_year, 
          YEARWEEK(date_key) AS week_key,
          WEEKOFYEAR(date_key) AS week_of_year,
          DAYOFWEEK(date_key) AS day_of_week,
          ISODOW(date_key) AS iso_day_of_week,

jovianlin

#! /usr/bin/python

import math

class SVY21:
    # Ref: http://www.linz.govt.nz/geodetic/conversion-coordinates/projection-conversions/transverse-mercator-preliminary-computations/index.aspx
    
    # WGS84 Datum
    a = 6378137
    f = 1 / 298.257223563

Nikolay-Lysenko

import numpy as np


def xgb_quantile_eval(preds, dmatrix, quantile=0.2):
    """
    Customized evaluational metric that equals
    to quantile regression loss (also known as
    pinball loss).

    Quantile regression is regression that

btel

conda create -n orange python=3.4 numpy scipy scikit-learn docutils beautifulsoup4 nose Sphinx xlrd pyqt psycopg2
source activate orange

pip install bottlechest
pip install chardet
pip install recommonmark
pip install pyqtgraph
pip install qt-graph-helpers

git clone https://github.com/biolab/orange3.git

kachayev

from collections import defaultdict
from heapq import *

def dijkstra(edges, f, t):
    g = defaultdict(list)
    for l,r,c in edges:
        g[l].append((c,r))

    q, seen, mins = [(0,f,())], set(), {f: 0}
    while q:

tj

alias gd="git diff"
alias gc="git clone"
alias ga="git add"
alias gbd="git branch -D"
alias gst="git status"
alias gca="git commit -a -m"
alias gpt="git push --tags"
alias gp="git push"
alias gpr="git pull-request"
alias grh="git reset --hard"

chadhutchins

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