This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Get performance measures | |
overall_accuracy_ols = cm_ols$overall['Accuracy'] |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Predict the test set using the model | |
pred_ols = predict(lmmod, test[,3:32], type="response") | |
pred_ols | |
# Apply a threshold | |
new_pred_ols = ifelse(pred_ols >= 0.5, 1, 0) | |
new_pred_ols = data.frame(new_pred_ols) | |
data_ols = cbind(test[,2], new_pred_ols) | |
names(data_ols) = c("actual", "pred") | |
xtab_ols = table(data_ols$actual, data_ols$pred) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Train the model (Logistic regression) | |
lmmod = lm(diagnosis ~ . , data = train[,2:32]) | |
summary(lmmod) | |
coeftest(lmmod, vcov. = vcovHC, type = "HC1") |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Get performance measures | |
overall_accuracy_lasso = cm_lasso$overall['Accuracy'] |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Predict the test set using the model | |
pred_lasso = predict(glmmod, test_sparse, type="response", s=best.lambda) | |
pred_lasso | |
# Apply a threshold | |
new_pred_lasso = ifelse(pred_lasso >= 0.5, 1, 0) | |
new_pred_lasso = data.frame(new_pred_lasso) | |
data_lasso = cbind(test[,2], new_pred_lasso) | |
names(data_lasso) = c("actual", "pred") | |
xtab_lasso = table(data_lasso$actual, data_lasso$pred) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Train the model | |
glmmod = glmnet(x=train_sparse, y=as.factor(train[,2]), alpha=1, family="binomial") | |
plot(glmmod, xvar="lambda") | |
glmmod | |
coef(glmmod)[,100] | |
# Try cross validation lasso | |
cv.glmmod = cv.glmnet(x=train_sparse, y=as.factor(train[,2]), alpha=1, family="binomial") | |
plot(cv.glmmod) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
library(Matrix) | |
library(glmnet) | |
library(pROC) | |
library(caret) | |
# Import dataset | |
data1 = read.csv(file = "./data/input/breast-cancer.csv") | |
data1$diagnosis<-ifelse(data1$diagnosis=='M', 1,0) | |
data2 = data.matrix(data1) | |
Matrix(data2, sparse = TRUE) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
if __name__ == "__main__": | |
lexicon = Empath() | |
result = lexicon.analyze("the quick brown fox jumps over the lazy dog", normalize=True) | |
df0 = pd.Series(result, name = 'KeyValue') | |
logging.getLogger().setLevel(logging.INFO) | |
col_names = df0.keys() | |
df = pd.DataFrame(columns=col_names) | |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Load libraries | |
import os | |
import logging | |
from empath import Empath | |
import pandas as pd | |
# Set up folder locations | |
source_folder_path_list = [] | |
source_folder_path = "C:/Users/Marriane/Documents/GitHub/empath-on-movie-reviews/data/scale_whole_review.tar (with text)/scale_whole_review/scale_whole_review/" | |
folder_list = ["Dennis+Schwartz/txt.parag", "James+Berardinelli/txt.parag", "Scott+Renshaw/txt.parag", "Steve+Rhodes/txt.parag"] |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Using map_data() | |
worldmap <- map_data ("world") | |
mapplot1 <- ggplot(worldmap) + | |
geom_map(data = worldmap, map = worldmap, aes(x=long, y=lat, map_id=region), col = "white", fill = "gray50") + | |
geom_scatterpie(aes(x=longitude, y=latitude, group = country, r = multiplier*6), | |
data = final_data, cols = colnames(final_data[,c(2:11)])) + | |
xlim(-20,60) + ylim(10, 75) + | |
scale_fill_brewer(palette = "Paired") + | |
geom_text(aes(x=longitude, y=latitude, group = country, label = country), data = final_data, stat = "identity", |
NewerOlder