ipeirotis

library(RPostgreSQL)
library(sqldf)
library(KernSmooth)

# Connect to the database
drv <- dbDriver("PostgreSQL")
con <- dbConnect(drv, dbname='odw', host='localhost', user='panos', password='password', port='12345')

# Retrieve the data from the database. 
# Query columns: active_contractors, total_contractors, percent_activity, local_dayoftheweek, local_hour, country

ipeirotis

Data points: 500
Workers: 5
Low rho: 0.1
High rho: 0.9
----
Round: 1... 2... 3... 4... 5... 6... 7... 8... 9... 10... 11... 12... 13... 14... 15... 16... Done!
----
True mu = 0.0
Estimated mu = -2.4669698323703853
True sigma = 1.0

ipeirotis

Data points: 1000
Workers: 50
Low rho: 0.0
High rho: 0.5
----
Round: 1... 
Average absolute estimation error for z-values: 0.7216256823227171
Average relative estimation error for z-values: 1.202467298579486
Average absolute estimation error for correlation values: 0.003948409074838416
Average relative estimation error for correlation values: 0.035579687445173605

ipeirotis

{
  "http": 200,
  "message": "success",
  "terms": [
    {
      "term": "Barack Obama",
      "canonical": 1,
      "oskill": 0
    },
    {

ipeirotis

{
  "http": 200,
  "message": "success",
  "terms": [
    {
      "term": "Hillary Rodham Clinton",
      "canonical": 1,
      "oskill": 0
    },
    {

ipeirotis

{
  "http": 200,
  "message": "success",
  "terms": [
    {
      "term": "C++",
      "canonical": 1,
      "oskill": 1
    },
    {

ipeirotis

{
  "http": 300,
  "message": "The entry is a disambiguation page in Wikipedia. Please query again with one of the returned terms",
  "terms": [
    "Armstrong Siddeley Python",
    "CMU Common Lisp",
    "CPython",
    "Colt Python",
    "Computer",
    "Monty Python",

ipeirotis

{
  "http": 200,
  "message": "success",
  "terms": [
    {
      "term": "Python (programming language)",
      "canonical": 1,
      "oskill": 1
    },
    {

ipeirotis

### Cohort Analysis

import matplotlib.pyplot as plt

# Connect to the BigQuery API
from googleapiclient.discovery import build
from oauth2client import client
credentials = client._get_application_default_credential_from_file('client_secrets.json')
credentials = credentials.create_scoped('https://www.googleapis.com/auth/bigquery')

ipeirotis