robkw/introduction_to_recommender_systems
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small fixes

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Robert 2021-03-27 11:58:44 +01:00
parent ea377961c3
commit d560d04146
2 changed files with 2 additions and 2 deletions
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P0. Data preparation.ipynb
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@ -168,7 +168,7 @@
"\n", "\n",
"Average number of ratings per item is 59.453.\n", "Average number of ratings per item is 59.453.\n",
"\n", "\n",
"Data sparsity (% of missing entries) is 6.3047%.\n" "Data sparsity (% of missing entries) is 93.6953%.\n"
] ]
} }
], ],
@ -179,7 +179,7 @@
"\n", "\n",
"print(f'Average number of ratings per user is {round(ratings/users,4)}. \\n')\n", "print(f'Average number of ratings per user is {round(ratings/users,4)}. \\n')\n",
"print(f'Average number of ratings per item is {round(ratings/items,4)}.\\n')\n", "print(f'Average number of ratings per item is {round(ratings/items,4)}.\\n')\n",
"print(f'Data sparsity (% of missing entries) is {round(100*ratings/(users*items),4)}%.')" "print(f'Data sparsity (% of missing entries) is {round(100*(1-ratings/(users*items)),4)}%.')"
] ]
}, },
{ {

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P1. Introduction and baseline.pdf
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