### LINEAR REGRESSION DIAGNOSTICS part 1.

December 30, 2019

EN301220191250 In [1]: from statsmodels.compat import lzip import numpy as np import matplotlib.pyplot as plt import statsmodels.api as sm from statsmodels.formula.api import ols import pandas as […]

### Simple statistical inference: an example of using the Pearson correlation coefficient

December 30, 2019

301220190912 The Pearson coefficient is used to check the correlation between two continuous variables. Data source: https://www.kaggle.com/saurabh00007/diabetescsv In [1]: import pandas as pd df = pd.read_csv(‘c:/1/diabetes.csv’) […]

### Proste wnioskowanie statystyczne: przykład użycia współczynnika korelacji Pearsona

December 30, 2019

PL 301220190855 Współczynnik Pearsona używany jest do sprawdzenia korelacji między dwiema zmiennymi ciągłymi. źródło danych: https://www.kaggle.com/saurabh00007/diabetescsv In [1]: import pandas as pd df = pd.read_csv(‘c:/1/diabetes.csv’) df.head(3) […]

### Data standardization – Tensorflow linear regression model

December 23, 2019

EN231220191405 Theoretical explanation The standardization of data for machine learning models involves the transformation of primary data so that their distribution has an average value […]

### Protected: Tensorflow Machine Learning: Gaussian Kernel (base example)

December 20, 2019

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### Tensorflow linear classifier – example 1

December 20, 2019

EN201220191421 Source of data: poliaxid In [1]: import pandas as pd import numpy as np import matplotlib.pyplot as plt df = pd.read_csv(‘c:/2/poliaxid.csv’, index_col=0) del df[‘nr.’] df.head(5) […]

### Exercises on mathematical operations in TensorFlow 1.4

December 12, 2019

EN121220190807 Practice makes perfect In [1]: import pandas as pd import tensorflow as tf import matplotlib.pyplot as plt Exercise 1: Perform the following equation on the […]

### How to write equations in matplotlib.pyplot

December 11, 2019

How to write equations in matplotlib.pyplot¶ Practice makes perfect In [4]: import pandas as pd import matplotlib.pyplot as plt In [5]: a = r’3 = frac{12}{4}’ ax […]

### Exercises on matrix operations in TensorFlow 1.4

December 11, 2019

EN111220192126 Exercises on matrix operations in TensorFlow 1.4 Practice makes perfect In [1]: import pandas as pd import tensorflow as tf import matplotlib.pyplot as plt Exercise […]

### Protected: Tensorflow – LINEAR REGRESSION (base example)

December 11, 2019

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### Tensorflow vs. Sklearn – Comparison of linear classifiers [B2/1]

December 11, 2019

[B2/1] How to survive on the Titanic? Long time I was thinking, that this sample is a something as any railway statistic or other theoretical […]

### Protected: TENSORFLOW LINE CLASSIFICATOR (base example)

December 11, 2019

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### Tensorflow – Calculation of R square for linear regression

December 3, 2019

Parking Birmingham occupancy Source of data: https://archive.ics.uci.edu/ml/datasets/Parking+Birmingham In [35]: import pandas as pd df = pd.read_csv(‘c:/TF/ParkingBirmingham.csv’) df.head(3) Out[35]: SystemCodeNumber Capacity Occupancy LastUpdated 0 BHMBCCMKT01 577 61 […]

### Improving the linear regression model using synthetic variables Part. 1

December 3, 2019

EN031220191208   Parking Birmingham occupancy analysis Source of data: https://archive.ics.uci.edu/ml/datasets/Parking+Birmingham In [1]: import pandas as pd df = pd.read_csv(‘c:/TF/ParkingBirmingham.csv’) df.head(3) Out[1]:   SystemCodeNumber Capacity Occupancy LastUpdated […]

### Polynomial regression model

December 2, 2019

Polynomial regression model Polynomial regression model is technically a special case of multiple linear regression. This is definitions and explanation found in Wikipedia: https://en.wikipedia.org/wiki/Polynomial_regression. Just […]