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katsu1110 / file0.txt
Last active August 13, 2019 12:33
Google Colab上でKaggleのデータをロード、モデル訓練、提出の全てを行う ref: https://qiita.com/katsu1110/items/a8d508a1b6f07bd3a243
from google.colab import files
files.upload()
@katsu1110
katsu1110 / file0.txt
Last active October 6, 2018 18:54
科学技術分野の日本の男女格差って……? ref: https://qiita.com/katsu1110/items/ecbe30b7f875ad8fb7ab
p = \frac{e^{0.5rt}}{2e^{0.5rt}+c}
@katsu1110
katsu1110 / file0.txt
Last active April 11, 2018 15:22
進化論も記憶も創造性も、ベイジアンだっていうお話 ref: https://qiita.com/katsu1110/items/1c221c3665188612f6ab
while(LIFE)
{
string* state = readState();
if (state == "見た目に恵まれている")
state = "気持ちに余裕がある";
if (state == "気持ちに余裕がある")
state = "他人に優しくできる";
if (state == "他人に優しくできる")
state = "内面が磨かれる";
@katsu1110
katsu1110 / file0.txt
Last active March 11, 2018 16:03
ベイジアンになりたい!ほぼゼロから始めるベイズ統計学 2 (統計的推定) ref: https://qiita.com/katsu1110/items/a3c74fa94c6f7dfd84c6
likelihood : P(x|\theta)
@katsu1110
katsu1110 / file0.txt
Last active March 15, 2018 19:08
脳はベイジアンなのに、なぜ正しく確率の計算ができないのか? ref: https://qiita.com/katsu1110/items/0d204742c3d619a43a4f
P(銀行窓口係) \geq P(銀行窓口係)P(フェミニスト運動に参加)
@katsu1110
katsu1110 / file0.txt
Last active June 27, 2019 09:00
Kaggleの練習問題(Regression)を解いてKagglerになる ref: https://qiita.com/katsu1110/items/a1c3185fec39e5629bcb
import numpy as np # linear algebra
import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)
# for visualization
import matplotlib.pyplot as plt
import seaborn as sns
# import data
train = pd.read_csv('../input/train.csv')
@katsu1110
katsu1110 / gehalt.py
Last active November 16, 2017 19:04
ドイツでITの仕事をしたらいくら稼げるのか?~IT業界全般~ ref: https://qiita.com/katsu1110/items/5114ef9db151a30560ec
# import libraries
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
# EUR to JPY =======================================
def eur2jpy(x):
y = np.round(x*130/10000)
@katsu1110
katsu1110 / entropy.py
Last active October 1, 2017 15:32
あれっ、エントロピーってなんだっけ?となったので復習した ref: http://qiita.com/katsu1110/items/c733a1184b789c511739
import numpy as np
import matplotlib.pyplot as plt
import seaborn as sns
# Entropy as a function of probability --------
# random sample for probabilities
p = np.arange(0.01,1,0.01)
# compute binary entropy
@katsu1110
katsu1110 / dataextact.m
Last active August 31, 2018 21:40
Matlabを使ってPublication-quality figureを作る ref: https://qiita.com/katsu1110/items/fc4e7b6bdd5986e8d0e6
%% play with the extracted objects (line)
% - change width of the both lines
% - green dash regression line
% - black dotted unity line
% regression line
plot(lines(2).XData, lines(2).YData, '--g','linewidth', 2)
hold on;
@katsu1110
katsu1110 / ci.py
Created August 13, 2017 11:47
信頼区間を正しく理解してますか?確信区間との違いって何ですか? ref: http://qiita.com/katsu1110/items/4e8529f01a1389c03712
# library
from scipy.stats import norm
import numpy as np
import matplotlib.pyplot as plt
import seaborn as sns
# A-kun data
p = 42/100
n = 100