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|/n:+/'1_'(&^n)_n:`I$'0:"i/1" | |
+/n@3#>n |
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using Pipe: @pipe | |
getdata(file) = open(joinpath(@__DIR__, file)) do f read(f, String) end | |
part1(data) = @pipe data |> | |
split(_, "\n\n") |> | |
map(l -> replace(l, "\n" => ""), _) |> | |
map(l -> split(l, ""), _) |> | |
map(l -> unique(l), _) |> | |
map(l -> length(l), _) |> |
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import turicreate as tc | |
import os | |
current_dir = os.path.dirname(__file__) | |
model = tc.load_model(os.path.join( | |
current_dir, 'model/v1.model')) | |
images = tc.load_images(os.path.join(current_dir, 'data/test')) | |
images['predictions'] = model.predict(images) | |
images.print_rows(num_rows=10) |
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import turicreate as tc | |
import os | |
current_dir = os.path.dirname(__file__) | |
data = tc.SFrame(os.path.join(current_dir, 'data/processed/beers.sframe')) | |
train, test = data.random_split(0.8) | |
model = tc.image_classifier.create(train, target='label', max_iterations=100) |
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import turicreate as tc | |
import re | |
import os | |
def path_as_label(path): | |
label = re.search('(?<=raw/)(.+)?/.+$', path).group(1) | |
label = label.replace('_', ' ') | |
return label.title() |
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require 'minitest/autorun' | |
require 'matrix' | |
module LinearRegression | |
def predict(features, theta) | |
features * theta | |
end | |
def cost_function(features, labels, theta) | |
m = features.row_count |
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def normal_equation(features, labels) | |
(features.transpose * features).inverse * features.transpose * labels | |
end |
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# features is a Matrix, labels and theta are Vectors | |
def cost_function(features, labels, theta) | |
m = features.row_count | |
predictions = predict(features, theta) | |
squared_errors = (predictions - labels).map { |error| error**2 } | |
(1.0 / (2.0 * m)) * squared_errors.reduce { |a, b| a + b } | |
end |
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require 'matrix' | |
Matrix[[10, 1000, 10], [5, 800, 2], [12, 2500, 3]] * Vector[200,-0.1,-10] # => Vector[1800.0, 900.0, 2120.0] |
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package main | |
import ( | |
"fmt" | |
"time" | |
) | |
const timeFormat = "2006-01-02 15:04 MST" | |
func main() { |
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