X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=01-ticket-prices%2Fticket-pricing-solution.ipynb;h=df02700d400d03ef34215d2097fc5cf347616d9e;hb=9df2a294ec8aeb0b48cdbc0e60a2ef88fd91dedf;hp=59d7046222292e126af1014423668d418e2d8a14;hpb=c9390cdb3351a8dba8cb2f36b2118138099ceb08;p=ou-summer-of-code-2017.git diff --git a/01-ticket-prices/ticket-pricing-solution.ipynb b/01-ticket-prices/ticket-pricing-solution.ipynb index 59d7046..df02700 100644 --- a/01-ticket-prices/ticket-pricing-solution.ipynb +++ b/01-ticket-prices/ticket-pricing-solution.ipynb @@ -19,12 +19,12 @@ "For example, the data file might look like this:\n", "\n", "```\n", - "db61bb906d 769 Morgantown 3\n", + "db61bb90 769 Morgantown 3\n", "202c898b5f 1284 Morgantown 21\n", - "def36ffc7d 1514 Giessenmestia 21\n", - "389018bd07 1052 Estacada 21\n", - "a487c4270a 782 Geoje-Si 14\n", - "6caf2584a5 724 Stonington-Island 14\n", + "def36ffcd 1514 Giessenmestia 21\n", + "389018bd0707 1052 Estacada 21\n", + "a487c4270 782 Geoje-Si 14\n", + "6caf2584a55 724 Stonington-Island 14\n", "199608abc5 1209 Nordkapp 21\n", "```" ] @@ -36,7 +36,9 @@ "## Part 1\n", "You have a budget of £1200. How many of the holidays can you afford?\n", "\n", - "Given the example data above, you could afford four of the holidays: the 21 day trip to Morgantown and the trips to Giessenmestia and Nordkapp are all too expensive." + "Given the example data above, you could afford four of the holidays: the trips to Estacada, Geoje-Si and Stonnington-Island, and the three-day trip to Morgantown. \n", + "\n", + "The 21 day trip to Morgantown and the trips to Giessenmestia and Nordkapp are all too expensive." ] }, { @@ -48,18 +50,18 @@ }, { "cell_type": "code", - "execution_count": 7, + "execution_count": 1, "metadata": {}, "outputs": [ { "data": { "text/plain": [ - "[['5f12ce1b86', '1192', 'Sukhumi', '14'],\n", - " ['0279c8a91b', '1008', 'Estacada', '14'],\n", - " ['1faea40e9c', '1085', 'Tambon-Pa-Fa', '14']]" + "[['07ea553e', '1348', 'Zhangye-Shi', '14'],\n", + " ['02d4b258b8a', '1152', 'Estacada', '3'],\n", + " ['d29a0551504e', '1210', 'Zhangye-Shi', '7']]" ] }, - "execution_count": 7, + "execution_count": 1, "metadata": {}, "output_type": "execute_result" } @@ -75,16 +77,16 @@ }, { "cell_type": "code", - "execution_count": 25, + "execution_count": 2, "metadata": {}, "outputs": [ { "data": { "text/plain": [ - "57" + "66" ] }, - "execution_count": 25, + "execution_count": 2, "metadata": {}, "output_type": "execute_result" } @@ -107,16 +109,16 @@ }, { "cell_type": "code", - "execution_count": 6, + "execution_count": 3, "metadata": {}, "outputs": [ { "data": { "text/plain": [ - "57" + "66" ] }, - "execution_count": 6, + "execution_count": 3, "metadata": {}, "output_type": "execute_result" } @@ -151,16 +153,18 @@ "\n", "## Example\n", "\n", - "Given the holiday list above, the holiday to Geoje-Si (with the standard weighting of 1) has a value of $\\frac{14}{782} = 0.0179$ nights per pound. The best value holiday is the 21 day trip to Morgantown, with a value of $2.9 \\times \\frac{21}{1284} = 0.0474$ nights per pound. Unfortunately, it's unaffordable. \n", + "Given the holiday list above, the holiday to Geoje-Si (with the standard weighting of 1) has a value of $\\frac{14}{782} = 0.0179$ nights per pound. \n", "\n", "The trip to Estacada looks promising, at $\\frac{21}{1052} = 0.0200$ nights per pound. Unfortunately, the weighting for Estacada is low, to the adjusted cost is $0.4 \\times \\frac{21}{1052} = 0.00798$ nights per pound.\n", "\n", + "The best value holiday is the 21 day trip to Morgantown, with a value of $2.9 \\times \\frac{21}{1284} = 0.0474$ nights per pound. Unfortunately, it's unaffordable. \n", + "\n", "The best value affordable holiday is the trip to Stonnington Island, with $\\frac{14}{1284} = 0.0193$ nights per pound." ] }, { "cell_type": "code", - "execution_count": 9, + "execution_count": 4, "metadata": { "collapsed": true }, @@ -173,8 +177,10 @@ }, { "cell_type": "code", - "execution_count": 11, - "metadata": {}, + "execution_count": 5, + "metadata": { + "collapsed": true + }, "outputs": [], "source": [ "def value_of_destination(name):\n", @@ -186,8 +192,10 @@ }, { "cell_type": "code", - "execution_count": 32, - "metadata": {}, + "execution_count": 6, + "metadata": { + "collapsed": true + }, "outputs": [], "source": [ "def value_of_holiday(holiday):\n", @@ -198,16 +206,16 @@ }, { "cell_type": "code", - "execution_count": 36, + "execution_count": 7, "metadata": {}, "outputs": [ { "data": { "text/plain": [ - "'dc16c9b87f'" + "'cb24efd90'" ] }, - "execution_count": 36, + "execution_count": 7, "metadata": {}, "output_type": "execute_result" } @@ -233,16 +241,16 @@ }, { "cell_type": "code", - "execution_count": 34, + "execution_count": 8, "metadata": {}, "outputs": [ { "data": { "text/plain": [ - "'dc16c9b87f'" + "'cb24efd90'" ] }, - "execution_count": 34, + "execution_count": 8, "metadata": {}, "output_type": "execute_result" }