%%?Machine?Learning?Online?Class
%??Exercise?5?|?Regularized?Linear?Regression?and?Bias-Variance
%
%??Instructions
%??------------
%?
%??This?file?contains?code?that?helps?you?get?started?on?the
%??exercise.?You?will?need?to?complete?the?following?functions:
%
%?????linearRegCostFunction.m
%?????learningCurve.m
%?????validationCurve.m
%
%??For?this?exercise?you?will?not?need?to?change?any?code?in?this?file
%??or?any?other?files?other?than?those?mentioned?above.
%

%%?Initialization
clear?;?close?all;?clc

%%?===========?Part?1:?Loading?and?Visualizing?Data?=============
%??We?start?the?exercise?by?first?loading?and?visualizing?the?dataset.?
%??The?following?code?will?load?the?dataset?into?your?environment?and?plot
%??the?data.
%

%?Load?Training?Data
fprintf（‘Loading?and?Visualizing?Data

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-03-14?01:40??machine-learning-ex5\
?????目錄???????????0??2017-03-14?01:40??machine-learning-ex5\ex5\
?????文件????????6766??2017-03-14?01:40??machine-learning-ex5\ex5\ex5.m
?????文件????????1321??2017-03-14?01:40??machine-learning-ex5\ex5\ex5data1.mat
?????文件?????????510??2017-03-14?01:40??machine-learning-ex5\ex5\featureNormalize.m
?????文件????????8749??2017-03-14?01:40??machine-learning-ex5\ex5\fmincg.m
?????文件????????2374??2017-03-14?01:40??machine-learning-ex5\ex5\learningCurve.m
?????目錄???????????0??2017-03-14?01:40??machine-learning-ex5\ex5\lib\
?????目錄???????????0??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\
?????文件????????1624??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\AUTHORS.txt
?????文件????????3862??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\ChangeLog.txt
?????文件?????????881??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\jsonopt.m
?????文件????????1551??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\LICENSE_BSD.txt
?????文件???????18732??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\loadjson.m
?????文件???????15574??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\loadubjson.m
?????文件?????????771??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\mergestruct.m
?????文件???????19369??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\README.txt
?????文件???????17462??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\savejson.m
?????文件???????16123??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\saveubjson.m
?????文件????????1094??2017-03-14?01:40??machine-learning-ex5\ex5\lib\jsonlab\varargin2struct.m
?????文件????????1195??2017-03-14?01:40??machine-learning-ex5\ex5\lib\makeValidFieldName.m
?????文件????????5562??2017-03-14?01:40??machine-learning-ex5\ex5\lib\submitWithConfiguration.m
?????文件?????????944??2017-03-14?01:40??machine-learning-ex5\ex5\linearRegCostFunction.m
?????文件?????????804??2017-03-14?01:40??machine-learning-ex5\ex5\plotFit.m
?????文件?????????668??2017-03-14?01:40??machine-learning-ex5\ex5\polyFeatures.m
?????文件????????1765??2017-03-14?01:40??machine-learning-ex5\ex5\submit.m
?????文件?????????714??2017-03-14?01:40??machine-learning-ex5\ex5\trainLinearReg.m
?????文件????????1746??2017-03-14?01:40??machine-learning-ex5\ex5\validationCurve.m
?????文件??????187357??2017-03-14?01:40??machine-learning-ex5\ex5.pdf