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Применение регрессионного анализа для расчета прогнозных значений популярности видео
(Сибирский федеральный университет, 2019)
Разработка модели прогнозирования продаж в розничной торговле на основе методов машинного обучения
(Сибирский федеральный университет, 2024)
– размер выборки;
𝑦𝑖 – то же, что и в формуле (1);
𝑦̂𝑖 – то же, что и в формуле (1).
MAE (Средняя Абсолютная Ошибка) - это метрика, которая измеряет
среднюю величину ошибок в предсказаниях модели [42]. Она рассчитывается
как среднее значение абсолютных...
разностей между предсказанными и прогнозными значениями (4). Формула для расчета MAE выглядит следующим образом: 𝑀𝐴𝐸 = 1 𝑛 ∑𝑛𝑖=1|𝑦𝑖 − 𝑦̂𝑖 |, 20 (4) �где n – размер выборки; 𝑦𝑖 – то же, что и в формуле (1); 𝑦̂𝑖 – то же, что и в формуле (1...
разностей между предсказанными и прогнозными значениями (4). Формула для расчета MAE выглядит следующим образом: 𝑀𝐴𝐸 = 1 𝑛 ∑𝑛𝑖=1|𝑦𝑖 − 𝑦̂𝑖 |, 20 (4) �где n – размер выборки; 𝑦𝑖 – то же, что и в формуле (1); 𝑦̂𝑖 – то же, что и в формуле (1...
On the Nonparametric Estimation of the Functional Regression Based on Censored Data under Strong Mixing Condition
(Сибирский федеральный университет. Siberian Federal University, 2022-08)
. To be more precise, we measure the prediction accuracy, for different values of n, by
using the mean absolute errors (MAE), given by
MYE(ddj) :=
1
n2 + 1
n∑
j=n2
|m̂(pj)−m(pj)|
MYE(cj) := )n2+)
n∑
j=n2
|m̂Kd(pj)−m(pj)|
– 532 –
Farid Leulmi, Sara...
are in the Tab. 1. Table 1. MSE and MAE comparaison for ddj and cj methods according to sample sizes n = 100 n = 200 n = 300 n = 500 MSE MAE MSE MAE MSE MAE MSE MAE ddj 0R0896 0R2008 0R0775 0R1796 0R0641 0R1529 0R0396 0R1062 cj 0R1190 0R2338 0R0867 0R1933 0R0796...
are in the Tab. 1. Table 1. MSE and MAE comparaison for ddj and cj methods according to sample sizes n = 100 n = 200 n = 300 n = 500 MSE MAE MSE MAE MSE MAE MSE MAE ddj 0R0896 0R2008 0R0775 0R1796 0R0641 0R1529 0R0396 0R1062 cj 0R1190 0R2338 0R0867 0R1933 0R0796...
60th Anniversary of the Famous Ethnographer-Tungusologist Tatyana Yur’evna Sem
(Сибирский федеральный университет. Siberian Federal University, 2018-09)
.
In 1988 T.Yu. Sem finished the postgraduate course in the Institute of Ethnography
(IE) RAS (Kunstkamera), specialising in the sector of Siberia. In 2001 she had an
internship at the Museum of Anthropology and Ethnography (MAE) to write her
candidate’s...
scientific supervisor was A.M. Reshetov, the leading research scientist of the MAE RAS. From September 1979 to the present (2017) T.Yu. Sem has been working at the Russian Ethnographic Museum in the Department of Ethnography of the Peoples of Siberia...
scientific supervisor was A.M. Reshetov, the leading research scientist of the MAE RAS. From September 1979 to the present (2017) T.Yu. Sem has been working at the Russian Ethnographic Museum in the Department of Ethnography of the Peoples of Siberia...
MORTGAGE CREDITING
(Сибирский федеральный университет, 2011)
giving
means for hypothecary crediting agreed almost on the same low profitableness as at
investments in practicallyunventurestate bonds. For this purpose in USA the intermediary
organizations were made, so-called hypothecary agencies (Fannie Mae...
, Freddie Mae and Ginnie Mae) which obligations are guaranteed by the state. Agencies sell the liabilities to investors. Presence government guarantees allows investors to pass in review investments in these securities as practically unventure...
, Freddie Mae and Ginnie Mae) which obligations are guaranteed by the state. Agencies sell the liabilities to investors. Presence government guarantees allows investors to pass in review investments in these securities as practically unventure...
Machine Learning Approach to Simulation of Continuous Seeded Crystallization of Gibbsite
(Сибирский федеральный университет. Siberian Federal University, 2021-12)
in this case.
2.5. Performance indices
To assess the quality of trained neural networks, two standard performance metrics were used,
i.e., mean absolute deviation (MAE) and root mean square error (RMSE):
(2)
(3)
where X is a matrix comprising values of all...
at this training stage (calculation of weight coefficients of the neural network) as it computes large weights for large errors, and MAE metric was used for information. 3. Selection of Network Architecture 3.1. General settings For this study the data from...
at this training stage (calculation of weight coefficients of the neural network) as it computes large weights for large errors, and MAE metric was used for information. 3. Selection of Network Architecture 3.1. General settings For this study the data from...
Triple VTe2/Graphene/VTe2 Heterostructures as Perspective Magnetic Tunnel Junction
(2020)
for Electronic and Structural Analysis (VESTA) software
[53] was used for representation of atomic structures.
To determine the magnetic easy-axis and magnetocrystalline ani-
sotropy energy (MAE), the total energies (E) of a structure with the
spins of V atom...
constrained in [1 0 0], [0 1 0] and [0 0 1] directions were calculated using the PBE functional and spin–orbit coupling (SOC) under the energy convergence criteria of 10-7 eV. The out-of plane and in-plane MAE were calculated as (E[0 0 1] – E[1 0 0])/n and (E...
constrained in [1 0 0], [0 1 0] and [0 0 1] directions were calculated using the PBE functional and spin–orbit coupling (SOC) under the energy convergence criteria of 10-7 eV. The out-of plane and in-plane MAE were calculated as (E[0 0 1] – E[1 0 0])/n and (E...
Triple VTe2/graphene/VTe2 heterostructures as perspective magnetic tunnel junctions
(2020-04)
-
sotropy energy (MAE), the total energies (E) of a structure with the
spins of V atom constrained in [1 0 0], [0 1 0] and [0 0 1] directions
were calculated using the PBE functional and spin–orbit coupling (SOC)
under the energy convergence criteria of 10...
-7 eV. The out-of plane and in-plane MAE were calculated as (E[0 0 1] – E[1 0 0])/n and (E[1 0 0] – E[0 1 0])/n, respectively, where n is a number of V atoms in a unit cell. The all-electron one-center contribution of the SOC was described using...
-7 eV. The out-of plane and in-plane MAE were calculated as (E[0 0 1] – E[1 0 0])/n and (E[1 0 0] – E[0 1 0])/n, respectively, where n is a number of V atoms in a unit cell. The all-electron one-center contribution of the SOC was described using...
Методы обработки данных натурных наблюдений метеорологических величин
(Сибирский федеральный университет, 2022)
ȽɂɈɇȺɅɖɇɕȿ ɉɊɈȻɅȿɆɕ ȾɂɋɌȺɇɐɂɈɇɇɈȽɈ
ɁɈɇȾɂɊɈȼȺɇɂə ɁȿɆɅɂ. – 2020. – ɋ. 199-202.
7. Chicco D., Warrens M. J., Jurman G. The coefficient of determination R-
squared is more informative than SMAPE, MAE, MAPE, MSE and RMSE in
regression analysis evaluation //Peer...
Pricing modeling in the housing market with the urban infrastructure effect
(2019-10)
sample.
After selecting the optimal hyperparameters with a grid search, the MAE (mean absolute error)
value of elementwise cross-check (LOOCV (Leave one out CV)) was calculated to determine the error
in the same measurements (in rubles):
ð...
parameters are shown in Table 1. Table 1. Models errors. Model name MAE Random forest 209143 Ridge regression 259029 Linear regression 252884 Models created by means of the “random forest†algorithm have the lowest mean absolute error. Figure 1...
parameters are shown in Table 1. Table 1. Models errors. Model name MAE Random forest 209143 Ridge regression 259029 Linear regression 252884 Models created by means of the “random forest†algorithm have the lowest mean absolute error. Figure 1...