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#’ Create a Kaplan-Meier plot using ggplot2
#’
#’ @param sfit a \code{\link[survival]{survfit}} object
#’ @param returns logical: if \code{TRUE}, return an ggplot object
#’ @param xlabs x-axis label
#’ @param ylabs y-axis label
#’ @param ystratalabs The strata labels. \code{Default = levels(summary(sfit)$strata)}
#’ @param ystrataname The legend name. Default = “Strata”
#’ @param timeby numeric: control the granularity along the time-axis
#’ @param main plot title

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import pandas as pd
import xlrd as xd

def xls2csv(f, index=False, header=True):
	wb = xd.open_workbook(f)
	snames=[]
	for s in wb.sheets():
		snames.append(s.name)
	for s in snames:
		x = pd.read_excel(f,s)

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#!/usr/bin/env python

import sys
import re

f = open('Bibliography_ToddArnedtGrant.txt','r')
Todd = f.readlines()
f.close()

f = open('Bibliography_SoniaDuffyGrant.txt','r')

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#!/home/abhijit/anaconda/bin/python

import re

def getauthor(x):
	authlist = x.split('.')[0]
	bl = authlist.split(',')
	bl = [u.lstrip().replace(' ',', ') for u in bl]
	bl = [u.replace('et al','"et al"') for u in bl]
	out = 'author = {'+' and '.join(bl)+'}'

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#! /usr/bin/env python

"""
The MIT License (MIT)

Copyright (c) 2013 Hannes Bretschneider

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to

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"""Simple utility script for semi-gracefully downgrading v3 notebooks to v2"""

import io
import os
import sys

from IPython.nbformat import current

def heading_to_md(cell):
    """turn heading cell into corresponding markdown"""

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{
 "metadata": {
  "name": "Survival Example"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {