raqueeb / mltraining Goto Github PK

Need help:
In Prediction 3 when using this line showing the below message.

aggregate(survived~sex,data=train, FUN = sum)
Error in eval(predvars, data, env) : object 'survived' not found

I can not make the data.frame. An error occurs. (file: 7th-prediction-test.R; Line No: 149)
The error is:

> predict7th <- data.frame(PassengerId = test$PassengerId, Survived = MyPredict)
Error in data.frame(PassengerId = test$PassengerId, Survived = MyPredict) : 
  arguments imply differing number of rows: 418, 891
> write.csv(predict7th, file = "tree2.csv", row.names = FALSE)
Error in is.data.frame(x) : object 'predict7th' not found

I can not make data frame for both 'randmoForest'(Line No: 134) and 'cforest' (Line No: 149).
Is there any solution to this problem. I need help. :(

হাতে কলমে মেশিন লার্নিং বইয়ের ১২০ পৃষ্ঠায় >summary(train$Sex) করলে যা ঊত্তর হিসেবে দেওয়া আছে তা summary use করলে আসে না, table ব্যবহার করলে আসে

হাতে কলমে মেশিন লার্নিং(২য় সংস্করন) এর ৭.৫ এর বার প্লটের কোড গুলো খুজে পাচ্ছি না। লিঙ্কটা শেয়ার করলে ভালো হতো

Hi Sir,
what should i do about this error i followed your instruction but couldn't proceed because of this error. Then i copied your whole code from github & tried running that but it was same again showed this error.

It will be a great help if you let me know what should i do now.
Thanks,
Mahidul

In this book you advise to use R or python. I m beginner in ML. Please can u explain why I m not use weka and why R/python is best over weka. Please help, I m confused, some person advised me to use weka.
Thanks in advance.