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@dhimmel
Last active January 4, 2016 16:44
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Growth of bioscience preprints in 2015
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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Growth of bioscience preprints in 2015\n",
"\n",
"By Daniel Himmelstein ([@dhimmel](https://twitter.com/dhimmel))"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"import datetime"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"*PeerJ* [started](https://peerj.com/blog/post/47030855181/peerj-preprints-a-new-preprint-server-for-the-biological-and-medical-sciences/) accepting preprints on April 3, 2013. *bioRxiv* [opened on](http://news.sciencemag.org/biology/2013/11/new-preprint-server-aims-be-biologists-answer-physicists-arxiv) November 11, 2013. [Click here](https://doi.org/10.1038/503180a) to read more about the beginnings."
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"start_dates = {\n",
" 'PeerJ': datetime.date(2013, 4, 3),\n",
" 'bioRxiv': datetime.date(2013, 11, 11),\n",
"}"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"articles_before_2015 = {\n",
" 'PeerJ': 772,\n",
" 'bioRxiv': 996,\n",
"}\n",
"\n",
"articles_in_2015 = {\n",
" 'PeerJ': 1622 - 772,\n",
" 'bioRxiv': 1776,\n",
"}"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"apd_before_2015, apd_in_2015, growth = {}, {}, {}\n",
"for repo in 'PeerJ', 'bioRxiv':\n",
" # compute average articles per day prior to 2015\n",
" start_date = start_dates[repo]\n",
" days_before_2015 = (datetime.date(2015, 1, 1) - start_date).days\n",
" apd_before_2015[repo] = articles_before_2015[repo] / days_before_2015\n",
" # compute average articles per day in 2015\n",
" apd_in_2015[repo] = articles_in_2015[repo] / 365\n",
" # compute percent increase in articles per day in 2015 compared to before 2015\n",
" growth[repo] = 100 * (apd_in_2015[repo] - apd_before_2015[repo]) / apd_before_2015[repo]"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/plain": [
"{'PeerJ': 1.2100313479623825, 'bioRxiv': 2.394230769230769}"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# average articles per day prior to 2015\n",
"apd_before_2015"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/plain": [
"{'PeerJ': 2.328767123287671, 'bioRxiv': 4.865753424657535}"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# average articles per day in 2015\n",
"apd_in_2015"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/plain": [
"{'PeerJ': 92.45510682092412, 'bioRxiv': 103.22825548770427}"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# percent increase in articles per day in 2015 compared to before 2015\n",
"growth"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
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"codemirror_mode": {
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