> pred <- prediction(predictions, test$cls)
> auc = as.numeric(performance(pred, "auc")@y.values)
> auc
[1] 0.8942857
> pred <- prediction(predictions, test$cls)
> auc = as.numeric(performance(pred, "auc")@y.values)
> auc
[1] 0.8942857
Call:
glm(formula = cls ~ ., family = "binomial", data = train)
Deviance Residuals:
Min 1Q Median 3Q Max
-1.210 0.000 0.000 0.000 1.815
Coefficients: (1 not defined because of singularities)
Estimate Std. Error z value Pr(>|z|)
(Intercept) -63.029 19632.716 -0.003 0.997
x1 15.446 16.542 0.934 0.350
x2 6.708 7.812 0.859 0.390
x11 65.696 6520.412 0.010 0.992
x12 30.091 33.700 0.893 0.372
x13 -18.419 6047.451 -0.003 0.998
x14 -14.663 26855.669 -0.001 1.000
x21 37.062 19632.675 0.002 0.998
x22 16.121 19726.706 0.001 0.999
x23 -2.200 20687.068 0.000 1.000
x24 NA NA NA NA
x3 7.791 7.824 0.996 0.319
(Dispersion parameter for binomial family taken to be 1)
Null deviance: 196.078 on 999 degrees of freedom
Residual deviance: 18.571 on 989 degrees of freedom
AIC: 40.571
Number of Fisher Scoring iterations: 25
Call:
glm(formula = cls ~ ., family = "binomial", data = train)
Deviance Residuals:
Min 1Q Median 3Q Max
-1.210 0.000 0.000 0.000 1.815
Coefficients: (1 not defined because of singularities)
Estimate Std. Error z value Pr(>|z|)
(Intercept) -63.029 19632.716 -0.003 0.997
x1 15.446 16.542 0.934 0.350
x2 6.708 7.812 0.859 0.390
x11 65.696 6520.412 0.010 0.992
x12 30.091 33.700 0.893 0.372
x13 -18.419 6047.451 -0.003 0.998
x14 -14.663 26855.669 -0.001 1.000
x21 37.062 19632.675 0.002 0.998
x22 16.121 19726.706 0.001 0.999
x23 -2.200 20687.068 0.000 1.000
x24 NA NA NA NA
x3 7.791 7.824 0.996 0.319
(Dispersion parameter for binomial family taken to be 1)
Null deviance: 196.078 on 999 degrees of freedom
Residual deviance: 18.571 on 989 degrees of freedom
AIC: 40.571
Number of Fisher Scoring iterations: 25
cls x1 x2 x11 x12 x13 x14 x21 x22 x23 x24
cls 1.00000000 -0.228158414 -0.21808962 0.62877027 0.06408317 -0.381460173 -0.06281125 0.25772091 0.06499037 -0.11428571 -0.094413507
x1 -0.22815841 1.000000000 0.05692690 -0.40907207 -0.47059084 0.339122434 0.02663309 -0.03553939 -0.06495859 0.04962622 0.008853023
x2 -0.21808962 0.056926900 1.00000000 -0.10014611 -0.04608160 0.072822544 0.66253601 -0.61372208 -0.30719548 -0.13965796 0.761337056
x11 0.62877027 -0.409072066 -0.10014611 1.00000000 -0.03614192 -0.329514671 -0.03192955 0.10787016 0.05614028 -0.04113450 -0.063671465
x12 0.06408317 -0.470590845 -0.04608160 -0.03614192 1.00000000 -0.782043609 -0.01809118 0.04226619 0.05305775 -0.07043852 0.015990310
x13 -0.38146017 0.339122434 0.07282254 -0.32951467 -0.78204361 1.000000000 0.01591565 -0.08952730 -0.06137774 0.08829694 0.002594731
x14 -0.06281125 0.026633095 0.66253601 -0.03192955 -0.01809118 0.015915651 1.00000000 -0.16082080 -0.12788433 -0.43967877 0.665278251
x21 0.25772091 -0.035539391 -0.61372208 0.10787016 0.04226619 -0.089527297 -0.16082080 1.00000000 -0.10638700 -0.36576885 -0.241734637
x22 0.06499037 -0.064958593 -0.30719548 0.05614028 0.05305775 -0.061377745 -0.12788433 -0.10638700 1.00000000 -0.29085855 -0.192226834
x23 -0.11428571 0.049626217 -0.13965796 -0.04113450 -0.07043852 0.088296938 -0.43967877 -0.36576885 -0.29085855 1.00000000 -0.660894552
x24 -0.09441351 0.008853023 0.76133706 -0.06367146 0.01599031 0.002594731 0.66527825 -0.24173464 -0.19222683 -0.66089455 1.000000000
x3 0.51362162 -0.199469306 -0.84437482 0.43450107 0.17141845 -0.389151137 -0.54093332 0.54322307 0.30336002 0.06389858 -0.627306333
x3
cls 0.51362162
x1 -0.19946931
x2 -0.84437482
x11 0.43450107
x12 0.17141845
x13 -0.38915114
x14 -0.54093332
x21 0.54322307
x22 0.30336002
x23 0.06389858
x24 -0.62730633
x3 1.00000000
cls x1 x2 x11 x12 x13 x14 x21 x22 x23 x24
cls 1.00000000 -0.228158414 -0.21808962 0.62877027 0.06408317 -0.381460173 -0.06281125 0.25772091 0.06499037 -0.11428571 -0.094413507
x1 -0.22815841 1.000000000 0.05692690 -0.40907207 -0.47059084 0.339122434 0.02663309 -0.03553939 -0.06495859 0.04962622 0.008853023
x2 -0.21808962 0.056926900 1.00000000 -0.10014611 -0.04608160 0.072822544 0.66253601 -0.61372208 -0.30719548 -0.13965796 0.761337056
x11 0.62877027 -0.409072066 -0.10014611 1.00000000 -0.03614192 -0.329514671 -0.03192955 0.10787016 0.05614028 -0.04113450 -0.063671465
x12 0.06408317 -0.470590845 -0.04608160 -0.03614192 1.00000000 -0.782043609 -0.01809118 0.04226619 0.05305775 -0.07043852 0.015990310
x13 -0.38146017 0.339122434 0.07282254 -0.32951467 -0.78204361 1.000000000 0.01591565 -0.08952730 -0.06137774 0.08829694 0.002594731
x14 -0.06281125 0.026633095 0.66253601 -0.03192955 -0.01809118 0.015915651 1.00000000 -0.16082080 -0.12788433 -0.43967877 0.665278251
x21 0.25772091 -0.035539391 -0.61372208 0.10787016 0.04226619 -0.089527297 -0.16082080 1.00000000 -0.10638700 -0.36576885 -0.241734637
x22 0.06499037 -0.064958593 -0.30719548 0.05614028 0.05305775 -0.061377745 -0.12788433 -0.10638700 1.00000000 -0.29085855 -0.192226834
x23 -0.11428571 0.049626217 -0.13965796 -0.04113450 -0.07043852 0.088296938 -0.43967877 -0.36576885 -0.29085855 1.00000000 -0.660894552
x24 -0.09441351 0.008853023 0.76133706 -0.06367146 0.01599031 0.002594731 0.66527825 -0.24173464 -0.19222683 -0.66089455 1.000000000
x3 0.51362162 -0.199469306 -0.84437482 0.43450107 0.17141845 -0.389151137 -0.54093332 0.54322307 0.30336002 0.06389858 -0.627306333
x3
cls 0.51362162
x1 -0.19946931
x2 -0.84437482
x11 0.43450107
x12 0.17141845
x13 -0.38915114
x14 -0.54093332
x21 0.54322307
x22 0.30336002
x23 0.06389858
x24 -0.62730633
x3 1.00000000
library(GGally)
library(ggplot2)
library(data.table)
library(ROSE)
library(ROCR)
data(hacide)
train <- hacide.train
test <- hacide.test
train <- train %>% mutate(
x11 = ifelse(x1 < -1.4, 1, 0),
x12 = ifelse(((x1 >= -1.4) & (x1 < -0.74)), 1, 0),
x13 = ifelse(((x1 >= -0.74) & (x1 < 1)), 1, 0),
x14 = ifelse(x2 >= 1, 1, 0),
x21 = ifelse(x2 < -1.4, 1, 0),
x22 = ifelse(((x2 >= -1.4) & (x2 < -1)), 1, 0),
x23 = ifelse(((x2 >= -1) & (x2 < 0.5)), 1, 0),
x24 = ifelse(x2 >= 0.5, 1, 0),
x3 = x1 ^ 2 - x2
)
test <- test %>% mutate(
x11 = ifelse(x1 < -1.4, 1, 0),
x12 = ifelse(((x1 >= -1.4) & (x1 < -0.74)), 1, 0),
x13 = ifelse(((x1 >= -0.74) & (x1 < 1)), 1, 0),
x14 = ifelse(x2 >= 1, 1, 0),
x21 = ifelse(x2 < -1.4, 1, 0),
x22 = ifelse(((x2 >= -1.4) & (x2 < -1)), 1, 0),
x23 = ifelse(((x2 >= -1) & (x2 < 0.5)), 1, 0),
x24 = ifelse(x2 >= 0.5, 1, 0),
x3 = x1 ^ 2 - x2
)
pilot <- glm(cls ~ ., train, family = "binomial")
predictions <- predict(pilot, test, type = "response")
tbl <- table(test$cls , predictions > 0.5)
FALSE TRUE
0 244 1
1 3 2
Your advice will be appreciated.
library(GGally)
library(ggplot2)
library(data.table)
library(ROSE)
library(ROCR)
data(hacide)
train <- hacide.train
test <- hacide.test
train <- train %>% mutate(
x11 = ifelse(x1 < -1.4, 1, 0),
x12 = ifelse(((x1 >= -1.4) & (x1 < -0.74)), 1, 0),
x13 = ifelse(((x1 >= -0.74) & (x1 < 1)), 1, 0),
x14 = ifelse(x2 >= 1, 1, 0),
x21 = ifelse(x2 < -1.4, 1, 0),
x22 = ifelse(((x2 >= -1.4) & (x2 < -1)), 1, 0),
x23 = ifelse(((x2 >= -1) & (x2 < 0.5)), 1, 0),
x24 = ifelse(x2 >= 0.5, 1, 0),
x3 = x1 ^ 2 - x2
)
test <- test %>% mutate(
x11 = ifelse(x1 < -1.4, 1, 0),
x12 = ifelse(((x1 >= -1.4) & (x1 < -0.74)), 1, 0),
x13 = ifelse(((x1 >= -0.74) & (x1 < 1)), 1, 0),
x14 = ifelse(x2 >= 1, 1, 0),
x21 = ifelse(x2 < -1.4, 1, 0),
x22 = ifelse(((x2 >= -1.4) & (x2 < -1)), 1, 0),
x23 = ifelse(((x2 >= -1) & (x2 < 0.5)), 1, 0),
x24 = ifelse(x2 >= 0.5, 1, 0),
x3 = x1 ^ 2 - x2
)
pilot <- glm(cls ~ ., train, family = "binomial")
predictions <- predict(pilot, test, type = "response")
tbl <- table(test$cls , predictions > 0.5)
FALSE TRUE
0 244 1
1 3 2