"""Makes recommendations"""
from TaskD01 import load_data
from TaskD03 import sim_pearson
from TaskD04 import get_recommendations
if __name__ == '__main__':
PREFS = load_data(open("lastfm.dat", 'r'), normalize=True)
MY_PREFS = {
"Silverchair": 1,
"Adele": 0.8,
"Britney Spears": -0.5,
"Oasis": 0.7,
"Nirvana": 0.5,
"Metallica": -0.4,
"Depeche Mode": -0.3
}
for i, (n, r) in enumerate(get_recommendations(PREFS,
MY_PREFS, 3, sim_pearson)[:10]):
print "%d\t%s\t%.3f" % (i+1, n, r)
def test_complicated(self):
"""Bardziej skomplikowany test."""
prefs = {
"1": {
"Daft Punk": 0.14490916772285595,
"Talib Kweli": 0.06337135614702155,
"Busta Rhymes": 0.05597803126320237,
"The Roots": 1.0,
"DJ Shadow": 0.47317279256442757,
"Beastie Boys": 0.41233629066328686,
"Cypress Hill": 0.3673426277989016,
"Mobb Deep": 0.23489649345162653,
"dead prez": 0.06928601605407689,
"Nas": 0.3060836501901141,
"The Coup": 0.08069286016054077,
"Method Man": 0.2412336290663287,
"Rage Against the Machine": 0.08005914659907055,
"Dubfire": 0.05978031263202366,
"XSI": 0.05175327418673426,
"CPU": 0.09970426700464723,
"Jedi Mind Tricks": 0.1394169835234474,
"Jurassic 5": 0.0817490494296578,
"Korn": 0.08280523869877482,
"Dr. Dre": 0.07266582171525138,
"Astrix": 0.05407689057879172,
"Raekwon": 0.30523869877482046,
"Azax Syndrom": 0.4907055344317702,
"Afrika Bambaataa": 0.09674693705111956,
"Penta": 0.05217574989438107,
"Gang Starr": 0.3350232361639206,
"Gravediggaz": 0.04900718208703,
"Mos Def": 0.17574989438107308,
"Wu-Tang Clan": 0.8910012674271229,
"E-40": 0.07287705956907478,
"RZA": 0.15800591465990704,
"Naughty by Nature": 0.05999155048584706,
"Nelly Furtado": 0.08681875792141952,
"Digitalism": 0.2171525137304605,
"Linkin Park": 0.10920997042670047,
"Rinkadink": 0.07646810308407266,
"Xeg": 0.2598225602027883,
"T.I.": 0.053865652724968315,
"GMS": 0.11829319814110689,
"Public Enemy": 0.15356991972961553,
"Klaxons": 0.07646810308407266,
"Menog": 0.07689057879171948,
"Peter Bailey & Richie Santana": 0.09759188846641319,
"1200 Micrograms": 0.05407689057879172,
"Invisibl Skratch Piklz": 0.08998732572877059,
"Gorillaz": 0.08766370933671314,
"Talamasca": 0.3377693282636248,
"Kanye West": 0.27122940430925224,
"GZA/Genius": 0.12568652302492606,
"Sirius Isness": 0.07329953527672159,
},
"2": {
"Lenny Kravitz": 0.029534606205250596,
"Third Eye Blind": 0.03192124105011933,
"Tim McGraw": 0.04087112171837709,
"Garth Brooks": 0.06861575178997613,
"Red Hot Chili Peppers": 0.06980906921241051,
"U2": 0.053400954653937946,
"Amos Lee": 0.09994033412887827,
"Coldplay": 0.3275656324582339,
"James Blunt": 0.04087112171837709,
"Ray LaMontagne": 0.13544152744630072,
"Gavin DeGraw": 0.09994033412887827,
"Justin Timberlake": 0.028341288782816228,
"Sarah McLachlan": 0.035501193317422436,
"Pat McGee Band": 0.057577565632458236,
"Damien Rice": 0.05817422434367542,
"Creedence Clearwater Revival": 0.03013126491646778,
"Lynyrd Skynyrd": 0.05369928400954654,
"The Doors": 0.022673031026252982,
"Keith Urban": 0.029236276849642005,
"Savage Garden": 0.027744630071599045,
"Josh Groban": 0.029832935560859187,
"The Killers": 0.054295942720763726,
"Snow Patrol": 0.14826968973747018,
"Beck": 0.04355608591885442,
"Matchbox Twenty": 0.052804295942720764,
"Journey": 0.02028639618138425,
"Timbaland": 0.08532219570405727,
"Death Cab for Cutie": 0.2613365155131265,
"Hanson": 0.5707040572792362,
"OneRepublic": 0.0623508353221957,
"Eric Clapton": 0.10441527446300716,
"Default": 0.024761336515513127,
"Augustana": 0.03400954653937947,
"The Fray": 0.08890214797136038,
"Foo Fighters": 0.02058472553699284,
"The All-American Rejects": 0.03937947494033413,
"Averi": 0.02386634844868735,
"Dave Matthews Band": 0.25894988066825775,
"Ingram Hill": 0.03729116945107398,
"Boys Like Girls": 0.0331145584725537,
"Jimi Hendrix": 0.04892601431980907,
"John Mayer": 1.0,
"Yellowcard": 0.029236276849642005,
"James Morrison": 0.03967780429594272,
"Incubus": 0.07130071599045346,
"Goo Goo Dolls": 0.0808472553699284,
"OK Go": 0.02356801909307876,
"Brandi Carlile": 0.02684964200477327,
"Mat Kearney": 0.027446300715990454,
"The Hero Factor": 0.028042959427207637,
},
"3": {
"Daft Punk": 0.29723991507430997,
"Good Charlotte": 0.2760084925690021,
"Man\xc3\xa1": 0.22717622080679406,
"In Fear and Faith": 0.18046709129511676,
"Red Hot Chili Peppers": 0.5116772823779193,
"Emarosa": 0.2526539278131635,
"Avenged Sevenfold": 0.4309978768577495,
"Asking Alexandria": 0.15286624203821655,
"Rage Against the Machine": 0.23142250530785563,
"\xe4\xb8\x8b\xe6\x9d\x91\xe9\x99\xbd\xe5\xad\x90": 0.43736730360934184,
"Owl City": 0.16772823779193205,
"House vs. Hurricane": 0.15286624203821655,
"Pierce the Veil": 0.2208067940552017,
"Closure In Moscow": 0.5520169851380042,
"I Am Ghost": 0.28662420382165604,
"At the Drive-In": 0.19957537154989385,
"Adept": 0.2059447983014862,
"Escape The Fate": 0.39278131634819535,
"blink-182": 0.5392781316348195,
"Metallica": 0.9596602972399151,
"Panic! At the Disco": 0.3651804670912951,
"The Word Alive": 0.1613588110403397,
"Maximum the Hormone": 0.1762208067940552,
"Fall Out Boy": 0.3524416135881104,
"A Day to Remember": 0.5159235668789809,
"Yellowcard": 0.18683651804670912,
"Eyes Set to Kill": 0.34182590233545646,
"Cultura Prof\xc3\xa9tica": 0.3524416135881104,
"In:aviate": 0.21231422505307856,
"Slipknot": 0.46496815286624205,
"Disturbed": 0.18259023354564755,
"Panda": 0.3970276008492569,
"The Beatles": 0.2484076433121019,
"New Found Glory": 0.22717622080679406,
"Isles & Glaciers": 0.20382165605095542,
"Living Language": 0.3205944798301486,
"Rise Against": 1.0,
"AC/DC": 0.21443736730360935,
"Flobots": 0.20382165605095542,
"Confide": 0.21231422505307856,
"Alesana": 0.32696390658174096,
"Fiel a la Vega": 0.22929936305732485,
"El Canto del Loco": 0.16985138004246284,
"Incubus": 0.21656050955414013,
"deadmau5": 0.2632696390658174,
"Sum 41": 0.31634819532908703,
"Broadway": 0.23991507430997877,
"Calle 13": 0.208067940552017,
"Chiodos": 0.3630573248407643,
"We Came As Romans": 0.1740976645435244,
},
}
my_ratings = {"Daft Punk": 0.3, "Busta Rhymes": 0.1, "Incubus": 0.7}
test3 = [
("Red Hot Chili Peppers", 0.3861040206746221),
("Rage Against the Machine", 0.1991741560575475),
("Yellowcard", 0.14204855696988627),
]
top3 = get_recommendations(prefs, my_ratings, 2, sim_pearson)[0:3]
self.assertEqual(len(top3), 3)
for (name1, score1), (name2, score2) in zip(test3, top3):
self.assertEqual(name1, name2)
self.assertAlmostEqual(score1, score2, 4)
"""Makes recommendations"""
from TaskD01 import load_data
from TaskD03 import sim_pearson
from TaskD04 import get_recommendations
if __name__ == '__main__':
PREFS = load_data(open("lastfm.dat", 'r'), normalize=True)
MY_PREFS = {
"Silverchair": 1,
"Adele": 0.8,
"Britney Spears": -0.5,
"Oasis": 0.7,
"Nirvana": 0.5,
"Metallica": -0.4,
"Depeche Mode": -0.3
}
for i, (n, r) in enumerate(
get_recommendations(PREFS, MY_PREFS, 3, sim_pearson)[:10]):
print "%d\t%s\t%.3f" % (i + 1, n, r)
def test_complicated(self):
"""Bardziej skomplikowany test."""
prefs = {
"1":{
'Daft Punk': 0.14490916772285595,
'Talib Kweli': 0.06337135614702155,
'Busta Rhymes': 0.05597803126320237,
'The Roots': 1.0,
'DJ Shadow': 0.47317279256442757,
'Beastie Boys': 0.41233629066328686,
'Cypress Hill': 0.3673426277989016,
'Mobb Deep': 0.23489649345162653,
'dead prez': 0.06928601605407689,
'Nas': 0.3060836501901141,
'The Coup': 0.08069286016054077,
'Method Man': 0.2412336290663287,
'Rage Against the Machine': 0.08005914659907055,
'Dubfire': 0.05978031263202366,
'XSI': 0.05175327418673426,
'CPU': 0.09970426700464723,
'Jedi Mind Tricks': 0.1394169835234474,
'Jurassic 5': 0.0817490494296578,
'Korn': 0.08280523869877482,
'Dr. Dre': 0.07266582171525138,
'Astrix': 0.05407689057879172,
'Raekwon': 0.30523869877482046,
'Azax Syndrom': 0.4907055344317702,
'Afrika Bambaataa': 0.09674693705111956,
'Penta': 0.05217574989438107,
'Gang Starr': 0.3350232361639206,
'Gravediggaz': 0.04900718208703,
'Mos Def': 0.17574989438107308,
'Wu-Tang Clan': 0.8910012674271229,
'E-40': 0.07287705956907478,
'RZA': 0.15800591465990704,
'Naughty by Nature': 0.05999155048584706,
'Nelly Furtado': 0.08681875792141952,
'Digitalism': 0.2171525137304605,
'Linkin Park': 0.10920997042670047,
'Rinkadink': 0.07646810308407266,
'Xeg': 0.2598225602027883,
'T.I.': 0.053865652724968315,
'GMS': 0.11829319814110689,
'Public Enemy': 0.15356991972961553,
'Klaxons': 0.07646810308407266,
'Menog': 0.07689057879171948,
'Peter Bailey & Richie Santana': 0.09759188846641319,
'1200 Micrograms': 0.05407689057879172,
'Invisibl Skratch Piklz': 0.08998732572877059,
'Gorillaz': 0.08766370933671314,
'Talamasca': 0.3377693282636248,
'Kanye West': 0.27122940430925224,
'GZA/Genius': 0.12568652302492606,
'Sirius Isness': 0.07329953527672159},
"2": {'Lenny Kravitz': 0.029534606205250596,
'Third Eye Blind': 0.03192124105011933,
'Tim McGraw': 0.04087112171837709,
'Garth Brooks': 0.06861575178997613,
'Red Hot Chili Peppers': 0.06980906921241051,
'U2': 0.053400954653937946,
'Amos Lee': 0.09994033412887827,
'Coldplay': 0.3275656324582339,
'James Blunt': 0.04087112171837709,
'Ray LaMontagne': 0.13544152744630072,
'Gavin DeGraw': 0.09994033412887827,
'Justin Timberlake': 0.028341288782816228,
'Sarah McLachlan': 0.035501193317422436,
'Pat McGee Band': 0.057577565632458236,
'Damien Rice': 0.05817422434367542,
'Creedence Clearwater Revival': 0.03013126491646778,
'Lynyrd Skynyrd': 0.05369928400954654,
'The Doors': 0.022673031026252982,
'Keith Urban': 0.029236276849642005,
'Savage Garden': 0.027744630071599045,
'Josh Groban': 0.029832935560859187,
'The Killers': 0.054295942720763726,
'Snow Patrol': 0.14826968973747018,
'Beck': 0.04355608591885442,
'Matchbox Twenty': 0.052804295942720764,
'Journey': 0.02028639618138425,
'Timbaland': 0.08532219570405727,
'Death Cab for Cutie': 0.2613365155131265,
'Hanson': 0.5707040572792362,
'OneRepublic': 0.0623508353221957,
'Eric Clapton': 0.10441527446300716,
'Default': 0.024761336515513127,
'Augustana': 0.03400954653937947,
'The Fray': 0.08890214797136038,
'Foo Fighters': 0.02058472553699284,
'The All-American Rejects': 0.03937947494033413,
'Averi': 0.02386634844868735,
'Dave Matthews Band': 0.25894988066825775,
'Ingram Hill': 0.03729116945107398,
'Boys Like Girls': 0.0331145584725537,
'Jimi Hendrix': 0.04892601431980907,
'John Mayer': 1.0,
'Yellowcard': 0.029236276849642005,
'James Morrison': 0.03967780429594272,
'Incubus': 0.07130071599045346,
'Goo Goo Dolls': 0.0808472553699284,
'OK Go': 0.02356801909307876,
'Brandi Carlile': 0.02684964200477327,
'Mat Kearney': 0.027446300715990454,
'The Hero Factor': 0.028042959427207637},
"3": {'Daft Punk': 0.29723991507430997,
'Good Charlotte': 0.2760084925690021,
'Man\xc3\xa1': 0.22717622080679406,
'In Fear and Faith': 0.18046709129511676,
'Red Hot Chili Peppers': 0.5116772823779193,
'Emarosa': 0.2526539278131635,
'Avenged Sevenfold': 0.4309978768577495,
'Asking Alexandria': 0.15286624203821655,
'Rage Against the Machine': 0.23142250530785563,
'\xe4\xb8\x8b\xe6\x9d\x91\xe9\x99\xbd\xe5\xad\x90':
0.43736730360934184,
'Owl City': 0.16772823779193205,
'House vs. Hurricane': 0.15286624203821655,
'Pierce the Veil': 0.2208067940552017,
'Closure In Moscow': 0.5520169851380042,
'I Am Ghost': 0.28662420382165604,
'At the Drive-In': 0.19957537154989385,
'Adept': 0.2059447983014862,
'Escape The Fate': 0.39278131634819535,
'blink-182': 0.5392781316348195,
'Metallica': 0.9596602972399151,
'Panic! At the Disco': 0.3651804670912951,
'The Word Alive': 0.1613588110403397,
'Maximum the Hormone': 0.1762208067940552,
'Fall Out Boy': 0.3524416135881104,
'A Day to Remember': 0.5159235668789809,
'Yellowcard': 0.18683651804670912,
'Eyes Set to Kill': 0.34182590233545646,
'Cultura Prof\xc3\xa9tica': 0.3524416135881104,
'In:aviate': 0.21231422505307856,
'Slipknot': 0.46496815286624205,
'Disturbed': 0.18259023354564755,
'Panda': 0.3970276008492569,
'The Beatles': 0.2484076433121019,
'New Found Glory': 0.22717622080679406,
'Isles & Glaciers': 0.20382165605095542,
'Living Language': 0.3205944798301486,
'Rise Against': 1.0,
'AC/DC': 0.21443736730360935,
'Flobots': 0.20382165605095542,
'Confide': 0.21231422505307856,
'Alesana': 0.32696390658174096,
'Fiel a la Vega': 0.22929936305732485,
'El Canto del Loco': 0.16985138004246284,
'Incubus': 0.21656050955414013,
'deadmau5': 0.2632696390658174,
'Sum 41': 0.31634819532908703,
'Broadway': 0.23991507430997877,
'Calle 13': 0.208067940552017,
'Chiodos': 0.3630573248407643,
'We Came As Romans': 0.1740976645435244}}
my_ratings = {
"Daft Punk": 0.3,
"Busta Rhymes": 0.1,
"Incubus": 0.7
}
test3 = [
('Red Hot Chili Peppers', 0.3861040206746221),
('Rage Against the Machine', 0.1991741560575475),
('Yellowcard', 0.14204855696988627)
]
top3 = get_recommendations(prefs, my_ratings, 2, sim_pearson)[0:3]
self.assertEqual(len(top3), 3)
for (name1, score1), (name2, score2) in zip(test3, top3):
self.assertEqual(name1, name2)
self.assertAlmostEqual(score1, score2, 4)
