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scikit-learnã§ä¸»æˆåˆ†åˆ†æžï¼ˆç´¯ç©å¯„ä¸ŽçŽ‡ã‚’æ±‚ã‚ã‚‹ï¼‰ - æŠ€è¡“ãƒ¡ãƒ¢
pythonã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ãŠãªã˜ã¿ã€scikit-learnã§ä¸»æˆåˆ†åˆ†æžã‚’ã™ã‚‹æ–¹æ³•ã€‚ æœ€çµ‚çš„ã«ã¯ç´¯ç©å¯„ä¸ŽçŽ‡ã‚’ãƒ—ãƒãƒƒãƒˆã§ãã‚‹ã‚ˆã†ã«ã—ãŸã„ã€‚ ã‚¿ã‚¹ã‚¯ã¨ã—ã¦ã¯åŸºæœ¬çš„ãªæ‰‹æ›¸ãæ–‡å—èªè˜ã‚’é¡Œæã«ã™ã‚‹ã€‚ åŸºæœ¬ import matplotlib.pyplot as plt import seaborn as sns sns.set_style("whitegrid") import sklearn.decomposition # PCAã§ä½¿ã†ã¯ã“ã‚Œã ã‘ import sklearn.datasets data = sklearn.datasets.load_digits(n_class=5) # sklearnã«ä»˜å±žã®æ‰‹æ›¸ãæ–‡å—ãƒ‡ãƒ¼ã‚¿ pca = sklearn.decomposition.PCA(n_components=2) pca.fit(data.data) ã“ã“ã§ç”¨æ„ã—ãŸãƒ‡ãƒ¼ã‚¿ã¯scikitl
zyxwv 2019/04/16
python

statistics

pca
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scikit-learn ã«ã‚ˆã‚‹æœ€ã‚‚åŸºæœ¬çš„ãªã‚¯ãƒ©ã‚¹ã‚¿ãƒªãƒ³ã‚°åˆ†æž - Qiita
scikit-learn + ã‚¯ãƒ©ã‚¹ã‚¿ãƒªãƒ³ã‚°ã«é–¢ã—ã¦ã¯ã“ã®ãƒ–ãƒã‚°ã®ã ã„ã¶åˆæœŸã«ã¡ã‚‡ã£ã¨ã ã‘è§¦ã£ãŸã®ã§ã™ãŒã€ä»Šã«ã—ã¦æ€ã†ã¨èª¬æ˜Žä¸è¶³æ„ŸãŒå¦ã‚ãªã„ã§ã™ã—ã€ãã‚‚ãã‚‚ã“ã‚Œã ã‘ã˜ã‚ƒ scikit-learn ã‚’æ€ã„é€šã‚Šã®ç›®çš„ã«ã‚ã‚ã›ã¦ä½¿ãˆãªã„ã¨ã„ã†æ„è¦‹ã‚‚ã‚ã‚‹ã‹ã¨æ€ã„ã¾ã™ã€‚ãã“ã§æ”¹ã‚ã¦ scikit-learn ã«ã‚ˆã‚‹åŸºæœ¬çš„ãªã‚¯ãƒ©ã‚¹ã‚¿ãƒªãƒ³ã‚°ã«ã¤ã„ã¦èª¬æ˜Žã—ã¦ã„ãã¾ã™ã€‚ ã¨ã„ã£ã¦ã‚‚åŸºæœ¬çš„ãªè©±ã¨ã—ã¦ã¯æœ¬å®¶ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’èªã‚ã§è©±ãŒçµ‚ã‚ã£ã¦ã—ã¾ã†ã®ã§ã™ãŒã€æ—¥æœ¬èªžã®æƒ…å ±ãŒã‚ã‚‹ã¨ä½•ã‹ã¨åŠ©ã‹ã‚‹ã¨ã„ã†ã“ã¨ã‚‚ã‚ã‚‹ã‹ã¨æ€ã„ã¾ã™ã€‚ ç”Ÿå¾’ã®æˆç¸¾ã‚’ã‚‚ã¨ã«çåˆ†ã‘ã‚’ãŠã“ãªã† ã‚ˆãã‚ã‚‹ã‚±ãƒ¼ã‚¹ã¨ã—ã¦ã¯ä¾‹ãˆã°ã€ç”Ÿå¾’ã®å›½èªžãƒ»æ•°å¦ãƒ»è‹±èªžã®æˆç¸¾ã‚’ã‚‚ã¨ã«ã„ãã¤ã‹ã®ã‚°ãƒ«ãƒ¼ãƒ—ã«åˆ†ã‘ãŸã„ã¨ã„ã†å ´é¢ã§ã™ã€‚ã“ã®ã¨ãã€å„ç§‘ç›®ã®åˆè¨ˆç‚¹ã®ä¸Šä½ã‹ã‚‰é †ç•ªã«åˆ†ã‘ã¦ã‚‚ã„ã„ã®ã§ã™ãŒã€ä¸ã«ã¯å›½èªžãŒè‰¯ãå‡ºæ¥ã‚‹ã‘ã©æ•°å¦ã¯ã„ã¾ã²ã¨ã¤ãªç”Ÿå¾’ã€æ•°å¦ã¯å¾—æ„ã ã‘ã©å›½èªžã¯ã„ã¾ã²ã¨ã¤ãªç”Ÿå¾’ã‚‚
zyxwv 2016/05/06
K-means ã«ã‚ˆã‚‹ã‚¯ãƒ©ã‚¹ã‚¿ãƒªãƒ³ã‚° â€œkmeans_model = KMeans(n_clusters=3, random_state=10).fit(features) â€

python
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pythonã§OpenCVã‚’ä½¿ã†ä¸€ç•ªç°¡å˜ãªæ–¹æ³• - Qiita
pythonã§OpenCVã‚’ä½¿ã†ã«ã¯ Macã®å ´åˆ Macã§ã‚ã‚Œã°numpyãŒã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚ŒãŸçŠ¶æ…‹ã§ Homebrewã§OpenCVã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« OpenCVå†…ã«ã‚ã‚‹pythonãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã«PYTHONPATHã‚’é€šã™ or pythonã®site-packagesä»¥ä¸‹ã«cv.pyã¨cv2.soã®ã‚·ãƒ³ãƒœãƒªãƒƒã‚¯ãƒ»ãƒªãƒ³ã‚¯ã‚’è²¼ã£ã¦ã‚„ã‚‹ ã¨ã„ã†é¢¨ã«ãªã‚Šã¾ã™ã€‚ Linuxã®å ´åˆ Linuxã§ã‚ã‚Œã°ã€yumã§ä¸€ç™ºãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰å‡ºæ¥ã¾ã›ã‚“ã€‚ã—ãŸãŒã£ã¦ã€ OpenCVã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ ã„ã‚ã„ã‚ãƒ‘ã‚¹ã‚’æŒ‡å®šã—ãŸä¸Šã§ãƒ“ãƒ«ãƒ‰ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« ã—ã‹ã—ã€pyenvã‚„virtualenvãªã©ã‚’ä½¿ã£ã¦ã„ã‚‹ã¨ãƒ‘ã‚¹ã®æŒ‡å®šãŒã‚ã‚“ã©ãã•ã„ä¸Šã«ã€ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚’åˆ‡ã‚Šæ›¿ãˆã‚‹ã¨ä½¿ãˆãªããªã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚å®Ÿéš›ã€ã“ã‚Œã§è©°ã¾ã£ã¦linuxä¸Šã§python&OpenCVã®ç’°å¢ƒã‚’ä½¿ãˆã¦ã„ã¾ã›ã‚“ã€‚AWSã§python&OpenCVã‚’ä½¿ã„ãŸã„ã®ã§å›°ã‚Šã¾
zyxwv 2016/04/22
pyenv ã¨ opencv ã¯é¬¼é–€

python
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Amazon Linux AMI on EC2ã§Python2.7ã®ãƒãƒƒãƒã‚’nohupã§æµã™ - Qiita
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zyxwv 2016/04/07
python ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§ nohup ã™ã‚‹ã¨å‡ºåŠ›ãŒãƒãƒƒãƒ•ã‚¡ã•ã‚Œã¦ã—ã¾ã†ã®ã§ -u ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã§é€æ¬¡å‡ºåŠ›ã—ãŸã»ã†ãŒã‚ˆã„

python
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Macã§pyenv+virtualenv - Qiita
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zyxwv 2016/02/17
virtualenv ã¯ pyenv ã§ç®¡ç†ã•ã‚Œã‚‹ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚’ã‚³ãƒ”ãƒ¼ã—ã¦ã€åˆ¥ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¨ã—ã¦ç™»éŒ²ã—ã¦ãã‚Œã‚‹ãƒ„ãƒ¼ãƒ«

python
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Python ã® ast ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«å…¥é–€ (NodeVisitor ã‚’ä½¿ã†) - Qiita
å‰å›žã® Python ã® ast ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«å…¥é–€ (æŠ½è±¡æ§‹æ–‡æœ¨ã‚’è¾¿ã‚‹) ã§ã¯ã€ast ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã®ãƒ˜ãƒ«ãƒ‘ãƒ¼é–¢æ•°ã‚’ä½¿ã£ã¦æŠ½è±¡æ§‹æ–‡æœ¨ã‚’è¾¿ã‚‹ã“ã¨ã‚’ç´¹ä»‹ã—ã¾ã—ãŸã€‚ æŠ½è±¡æ§‹æ–‡æœ¨ã‚’ NodeVisitor ã§è¾¿ã‚‹ ast ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã®ãƒ˜ãƒ«ãƒ‘ãƒ¼é–¢æ•°ã‚’ä½¿ã†ã®ã‚‚1ã¤ã®æ–¹æ³•ã§ã™ãŒã€ast.NodeVisitor ã‚’ä½¿ã†ã¨ã€ã‚‚ã£ã¨ãŠæ‰‹è»½ã«æŠ½è±¡æ§‹æ–‡æœ¨ã‚’è¾¿ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ã‚„ã£ã¦ã„ã‚‹ã“ã¨ã¯ãƒ˜ãƒ«ãƒ‘ãƒ¼é–¢æ•°ã‚’ä½¿ã†ã®ã¨åŒã˜ã ã¨ã„ã†ã®ã‚’ NodeVisitor ã®å®Ÿè£…ã‚’è¦‹ãŸæ–¹ãŒåˆ†ã‹ã‚Šã‚„ã™ã„ã®ã§ãã®å®Ÿè£…ã‹ã‚‰ç´¹ä»‹ã—ã¾ã™ã€‚NodeVisitor ã¯ Visitor ãƒ‘ã‚¿ãƒ¼ãƒ³ ã¨ã„ã†ãƒ‡ã‚¶ã‚¤ãƒ³ãƒ‘ã‚¿ãƒ¼ãƒ³ã®1ã¤ã§ã™ã€‚ class NodeVisitor(object): def visit(self, node): """Visit a node.""" method = 'visit_' + node.__class__.__name_
zyxwv 2016/02/13
ast ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã§ä½œã£ãŸæ§‹æ–‡æœ¨ã¯ NodeVisitor ã§èµ°æŸ»ã™ã‚‹ã€‚ç‰¹å®šã®ãƒŽãƒ¼ãƒ‰ã«å¯¾ã™ã‚‹å‡¦ç†ã¯ visit_'NodeClassname' ã‚’å®šç¾©ã—ã¦å®Ÿè£…ã™ã‚‹ã€‚

python
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Pycparser failed on comments
zyxwv 2016/02/12
pycparser ã¯ã‚³ãƒ¡ãƒ³ãƒˆã«å¯¾å¿œã—ã¦ã„ãªã„ã®ã§ã€ãƒ‘ãƒ¼ã‚µã«æ¸¡ã™å‰ã«ã‚³ãƒ¡ãƒ³ãƒˆã‚’å‰Šé™¤ã™ã‚‹

python
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pythonã®æ©Ÿæ¢°å¦ç¿’ãƒ©ã‚¤ãƒ–ãƒ©ãƒªscikit-learnã®ç´¹ä»‹ - å”¯ç‰©æ˜¯çœŸ @Scaled_Wurm
scikit-learn(sklearn)ã®æ—¥æœ¬èªžã®å…¥é–€è¨˜äº‹ãŒã‚ã‚“ã¾ã‚Šãªã„ãªãƒ¼ã¨æ€ã£ã¦æ›¸ãã¾ã—ãŸã€‚ ã©ã¡ã‚‰ã‹ã£ã¦ã„ã†ã¨ã‚ˆãä½¿ã†æ©Ÿèƒ½ã®ç´¹ä»‹çš„ãªæ„Ÿã˜ã§ã™ã€‚ è‹±èªžãŒèªã‚ã‚‹æ–¹ã¯å…¬å¼ã®ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ãŒãŠã™ã™ã‚ã§ã™ã€‚ scikit-learnã¨ã¯ï¼Ÿ scikit-learnã¯ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã®æ©Ÿæ¢°å¦ç¿’ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã€åˆ†é¡žã‚„å›žå¸°ã€ã‚¯ãƒ©ã‚¹ã‚¿ãƒªãƒ³ã‚°ãªã©ã®æ©Ÿèƒ½ãŒå®Ÿè£…ã•ã‚Œã¦ã„ã¾ã™ã€‚ ã¾ãŸæ§˜ã€…ãªè©•ä¾¡å°ºåº¦ã‚„ã‚¯ãƒã‚¹ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã€ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã®ã‚°ãƒªãƒƒãƒ‰ã‚µãƒ¼ãƒãªã©ã®ç—’ã„ã¨ã“ã‚ã«æ‰‹ãŒå±Šãæ©Ÿèƒ½ã‚‚ã‚ã‚Šã¾ã™ã€‚ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« scikit-learnã®ä»–ã«ã‚‚numpyã¨ã‹scipyã¨ã‹ãŒå¿…è¦ã§ã™ã€‚ Windows 64 bitç‰ˆã®äººã¯ä»¥ä¸‹ã®URLã«è‰²ã€…ãªã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ãƒ¼ãŒãŠã„ã¦ã‚ã‚‹ã®ã§ãŠã™ã™ã‚ Python Extension Packages for Windows - Christoph Gohlke ãã®ä»–ã®äººã¯ä»¥ä¸‹ã®URLã‚’è¦‹ã¦
zyxwv 2016/01/25
scikit-learn ã§äº¤å·®æ¤œå®š

python

machine learning
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zyxwv 2015/12/01
selectivesearch ã§å€™è£œé ˜åŸŸã‚’æŠ½å‡ºã—ãŸã‚ã¨ã€ç‰©ä½“èªè˜ã•ã›ã‚‹

python

deep learning
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Unable to install nltk on Mac OS El Capitan
I did sudo pip install -U nltk as suggested by the nltk documentation. However, I am getting the following output: Collecting nltk Downloading nltk-3.0.5.tar.gz (1.0MB) 100% |â–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆ| 1.0MB 516kB/s Collecting six>=1.9.0 (from nltk) Downloading six-1.9.0-py2.py3-none-any.whl Installing collected packages: six, nltk Found existing installation: six 1.4.1 DEPRECATION: Uninsta
zyxwv 2015/10/30
--user ã§ãƒ¦ãƒ¼ã‚¶ã‚¹ãƒšãƒ¼ã‚¹ã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«

python

pip
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Web Page Under Construction
Network Solutions - Original domain name registration and reservation services with variety of internet-related business offerings. Quick, dependable and reliable.
zyxwv 2015/09/23
python

crosscompile
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CloudFlash(arm926ej-s)ã§Pythonã‚’å‹•ã‹ã™ - Qiita
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zyxwv 2015/09/22
python ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«ã‚ˆã£ã¦ã¯ make PYTHON=./hostpython PGEN=./hostpgen

python

crosscompile
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Pythonã®UnicodeEncodeErrorã‚’çŸ¥ã‚‹ - HDEãƒ©ãƒœ
Pythonã«ã¯ã˜ã‚ã¦è§¦ã£ã¦ã€ã„ã¤ã®ã¾ã«ã‹1å¹´ãŒéŽãŽãŸã®ã§ã™ãŒã€ä¸€ç•ªã¯ã¾ã£ãŸã®ã¯ã€ã‚„ã£ã±ã‚Šunicodeã®æ‰±ã„ã ã£ãŸã¨æ€ã„ã¾ã™ã€‚ ç‰¹ã«ã€ UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-12: ordinal not in range(128) ã®ã‚ˆã†ãªã‚¨ãƒ©ãƒ¼ã«ã¯ã•ã‚“ã–ã‚“æ‚©ã¾ã•ã‚Œã¾ã—ãŸã€‚ã“ã“ãŒãŸã¨ãˆã°rubyãªã©ä»–ã®è¨€èªžã¨æ¯”ã¹ã¦ã‚ã‹ã‚Šã«ãã„ãŸã‚ã«ã€PythonãŒå–ã£ã¤ãã«ãã„è¨€èªžã«ãªã£ã¦ã„ã‚‹ã®ã§ã¯ãªã„ã‹ã€ã¨å€‹äººçš„ã«ã¯æ€ã„ã¾ã™ã€‚ ãã“ã§ã€ã“ã®ã‚¨ãƒ©ãƒ¼ã«é–¢ä¿‚ã™ã‚‹ã¯ã¾ã‚Šã©ã“ã‚ã¨Tipsã‚’ã„ãã¤ã‹åˆ—æŒ™ã—ã¦ã¿ã¾ã—ãŸã€‚ã“ã‚Œã‹ã‚‰Pythonã«è§¦ã‚Œã‚‰ã‚Œã‚‹æ–¹ã®å‚è€ƒã«ãªã‚Œã°ã¨æ€ã„ã¾ã™ã€‚ ãªãŠã€ç’°å¢ƒã¯UNIXä¸Šã®Python 2.4, 2.5ã‚’æƒ³å®šã—ã¦ã„ã¾ã™ã€‚ u1ã¯unicodeåž‹ã§ã€s1ã¯stråž‹ã§ã™ã€‚s1ã«ã©ã®ã‚ˆ
zyxwv 2015/05/31
encode ãŒ unicode->strã€decode ãŒ str->unicode

python

encoding
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