mirror of
https://github.com/rasbt/python_reference.git
synced 2024-11-27 14:01:15 +00:00
added conversion to float
This commit is contained in:
rasbt
parent
ed0eb89f62
commit
8f0944c7cf
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@ -1,7 +1,7 @@
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name,column1,column2,column3
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abc,1.1,4.2,1.2
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def,2.1,1.4,5.2
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ghi,1.5,1.2,2.1
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jkl,1.8,1.1,4.2
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ghi,1.5,1.2,-2.1
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jkl,1.8,-1.1,4.2
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mno,9.4,6.6,6.2
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pqr,1.4,8.3,8.4
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@ -1,7 +1,7 @@
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name,column1,column2,column3
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abc,1.1^,4.2,1.2^
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abc,1.1*,4.2,1.2
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def,2.1,1.4,5.2
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ghi,1.5,1.2,2.1
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jkl,1.8,1.1^,4.2
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mno,9.4*,6.6,6.2
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pqr,1.4,8.3*,8.4*
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ghi,1.5,1.2,-2.1*
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jkl,1.8,-1.1*,4.2
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mno,9.4,6.6,6.2
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pqr,1.4,8.3,8.4
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@ -1,7 +1,7 @@
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{
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"metadata": {
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"name": "",
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"signature": "sha256:13c10e46fea51bcbbf203261897bb4d8ea2087e39925e077d452778f78d62b1e"
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"signature": "sha256:7ce6d9e0e1dc3da5c31fc5f3a5ab7687870a76cd4adaedd6da95bc6451755b12"
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},
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"nbformat": 3,
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"nbformat_minor": 0,
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@ -141,7 +141,7 @@
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 4
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"prompt_number": 1
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},
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{
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"cell_type": "code",
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@ -167,7 +167,7 @@
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]
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}
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],
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"prompt_number": 5
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"prompt_number": 2
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},
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{
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"cell_type": "markdown",
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@ -207,13 +207,14 @@
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" \"\"\" Prints CSV file to standard output.\"\"\"\n",
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" print(50*'-')\n",
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" for row in csv_content:\n",
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" row = [str(e) for e in row]\n",
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" print('\\t'.join(row))\n",
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" print(50*'-')"
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],
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 6
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"prompt_number": 3
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},
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{
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"cell_type": "code",
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@ -238,15 +239,15 @@
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"name\tcolumn1\tcolumn2\tcolumn3\n",
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"abc\t1.1\t4.2\t1.2\n",
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"def\t2.1\t1.4\t5.2\n",
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"ghi\t1.5\t1.2\t2.1\n",
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"jkl\t1.8\t1.1\t4.2\n",
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"ghi\t1.5\t1.2\t-2.1\n",
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"jkl\t1.8\t-1.1\t4.2\n",
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"mno\t9.4\t6.6\t6.2\n",
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"pqr\t1.4\t8.3\t8.4\n",
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"--------------------------------------------------\n"
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]
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}
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],
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"prompt_number": 7
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"prompt_number": 4
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},
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{
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"cell_type": "markdown",
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@ -291,7 +292,7 @@
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 8
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"prompt_number": 5
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},
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{
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"cell_type": "code",
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@ -310,12 +311,12 @@
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"text": [
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"first 3 rows:\n",
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"['name', 'column1', 'column2', 'column3']\n",
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"['abc', 1.1, 4.2, 1.2]\n",
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"['def', 2.1, 1.4, 5.2]\n"
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"['abc', '1.1', '4.2', '1.2']\n",
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"['def', '2.1', '1.4', '5.2']\n"
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]
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}
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],
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"prompt_number": 9
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"prompt_number": 6
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},
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{
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"cell_type": "markdown",
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@ -374,7 +375,7 @@
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 10
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"prompt_number": 7
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},
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{
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"cell_type": "markdown",
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@ -393,6 +394,7 @@
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"print_csv(csv_cont)\n",
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"\n",
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"print('\\n\\nCSV sorted by column \"column3\":')\n",
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"convert_cells_to_floats(csv_cont)\n",
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"csv_sorted = sort_by_column(csv_cont, 'column3')\n",
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"print_csv(csv_sorted)"
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],
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@ -410,8 +412,8 @@
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"name\tcolumn1\tcolumn2\tcolumn3\n",
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"abc\t1.1\t4.2\t1.2\n",
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"def\t2.1\t1.4\t5.2\n",
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"ghi\t1.5\t1.2\t2.1\n",
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"jkl\t1.8\t1.1\t4.2\n",
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"ghi\t1.5\t1.2\t-2.1\n",
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"jkl\t1.8\t-1.1\t4.2\n",
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"mno\t9.4\t6.6\t6.2\n",
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"pqr\t1.4\t8.3\t8.4\n",
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"--------------------------------------------------\n",
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@ -420,9 +422,9 @@
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"CSV sorted by column \"column3\":\n",
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"--------------------------------------------------\n",
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"name\tcolumn1\tcolumn2\tcolumn3\n",
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"ghi\t1.5\t1.2\t-2.1\n",
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"abc\t1.1\t4.2\t1.2\n",
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"ghi\t1.5\t1.2\t2.1\n",
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"jkl\t1.8\t1.1\t4.2\n",
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"jkl\t1.8\t-1.1\t4.2\n",
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"def\t2.1\t1.4\t5.2\n",
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"mno\t9.4\t6.6\t6.2\n",
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"pqr\t1.4\t8.3\t8.4\n",
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@ -430,7 +432,7 @@
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]
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}
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],
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"prompt_number": 11
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"prompt_number": 8
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},
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{
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"cell_type": "markdown",
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@ -489,13 +491,13 @@
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" col_index = sorted_csv[0].index(col)\n",
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" else:\n",
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" col_index = col\n",
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" sorted_csv[1][col_index] += marker\n",
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" sorted_csv[1][col_index] = str(sorted_csv[1][col_index]) + marker\n",
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" return None"
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],
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 12
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"prompt_number": 9
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},
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{
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"cell_type": "code",
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@ -509,7 +511,7 @@
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" (modifies input CSV content list).\n",
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" \n",
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" \"\"\"\n",
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" for c in csv_cont[0][1:]:\n",
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" for c in range(1, len(csv_cont[0])):\n",
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" mark_minmax(csv_cont, c, mark_max, marker)\n",
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" marked_csv = sort_by_column(csv_cont, 0, False)\n",
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" return marked_csv"
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@ -517,21 +519,21 @@
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 13
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"prompt_number": 10
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import copy\n",
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"\n",
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"csv_cont = csv_to_list('../Data/test.csv')\n",
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"\n",
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"csv_marked = copy.deepcopy(csv_cont)\n",
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"mark_all_col(csv_marked, mark_max=True, marker='*')\n",
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"mark_all_col(csv_marked, mark_max=False, marker='^')\n",
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"convert_cells_to_floats(csv_marked)\n",
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"mark_all_col(csv_marked, mark_max=False, marker='*')\n",
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"print_csv(csv_marked)\n",
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"\n",
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"print('^: min-value\\n*: max-value')"
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"print('*: min-value')"
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],
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"language": "python",
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"metadata": {},
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@ -542,19 +544,18 @@
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"text": [
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"--------------------------------------------------\n",
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"name\tcolumn1\tcolumn2\tcolumn3\n",
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"abc\t1.1^\t4.2\t1.2^\n",
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"abc\t1.1*\t4.2\t1.2\n",
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"def\t2.1\t1.4\t5.2\n",
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"ghi\t1.5\t1.2\t2.1\n",
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"jkl\t1.8\t1.1^\t4.2\n",
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"mno\t9.4*\t6.6\t6.2\n",
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"pqr\t1.4\t8.3*\t8.4*\n",
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"ghi\t1.5\t1.2\t-2.1*\n",
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"jkl\t1.8\t-1.1*\t4.2\n",
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"mno\t9.4\t6.6\t6.2\n",
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"pqr\t1.4\t8.3\t8.4\n",
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"--------------------------------------------------\n",
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"^: min-value\n",
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"*: max-value\n"
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"*: min-value\n"
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]
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}
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],
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"prompt_number": 14
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"prompt_number": 12
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},
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{
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"cell_type": "markdown",
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@ -603,7 +604,7 @@
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 15
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"prompt_number": 13
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},
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{
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"cell_type": "markdown",
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@ -633,17 +634,17 @@
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"Written CSV file:\n",
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"--------------------------------------------------\n",
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"name\tcolumn1\tcolumn2\tcolumn3\n",
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"abc\t1.1^\t4.2\t1.2^\n",
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"abc\t1.1*\t4.2\t1.2\n",
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"def\t2.1\t1.4\t5.2\n",
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"ghi\t1.5\t1.2\t2.1\n",
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"jkl\t1.8\t1.1^\t4.2\n",
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"mno\t9.4*\t6.6\t6.2\n",
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"pqr\t1.4\t8.3*\t8.4*\n",
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"ghi\t1.5\t1.2\t-2.1*\n",
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"jkl\t1.8\t-1.1*\t4.2\n",
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"mno\t9.4\t6.6\t6.2\n",
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"pqr\t1.4\t8.3\t8.4\n",
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"--------------------------------------------------\n"
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]
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}
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],
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"prompt_number": 16
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"prompt_number": 14
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},
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{
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"cell_type": "code",
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