data mining mooc

, Are equivalent toBasic commands. In the progressive sense, the two are roughly the same. The main method for complexity analysis: 1. iteration: Sum of Series 2. recursion: recursive tracking + recursive equation 3. Prediction + Verification Level complexity: Arithmetic series Same level as last square Power Series Level 1 higher than power Geometric Series Same level as last Convergence level O (1) Geometric Distribution O (1)

JavaScript data type and type detection functions-MOOC ArraysSimilar programming exercisesBasic Type stringNumberBooleanFunctionUndefinedObject (null, Array, Date, window) implicit conversion with "=" num-string var str = num + ''string-num var num = str-0"=" For implicit conversion and determination (that is, to determine the value in the variable)"=" Directly determines (whether it is a thing) (NaN! = NaN

the tail node while (next = NODE.GETSUCC ())! = This.trailer) {//delete each of the same nodes if (Node.getdate (). Equals (Next.getdate ())) {This.remove (next);} else {node = next;}} Returns the scale change amount of return oldsize-this.size;}But because lists are seek location access rather than rank-and-seek access, an ordered list does not produce more efficiency in the lookup. Therefore, the lookup time complexity of the sequence table is the same as the normal list O (n).Note: This less

, giving the interval endpoints a and B sequentially in line 2nd. The topic guarantees that the polynomial has a unique single root within a given interval. output format: Outputs the root of the polynomial within the range in a row, exactly 2 digits after the decimal point. Input Sample: 3-1-3 1-0.5 0.5 Output example: 0.33 Chinese University mooc-Chen, He Chinming-Data structure basic pr

title Link:http://www.patest.cn/contests/mooc-ds/07-1Title Analysis: This two parts in the test of various different sorting algorithms in various data situations performance. Therefore there is no standard answer. The purpose of this post is to give the C + + implementation form of various sorting algorithms, and compare and summarize the results. Hope to bring you help . Code for various sorting algorithm

Frequent patterns mining (frequent pattern Mining) is a kind of mining commonly used in data mining, which is a frequent pattern mining algorithm called Apriori. First look at what is called frequent mode. ~ is the pattern that of

Use SharePreferences to access data (MOOC notes), sharepreferences 0. video address: http://www.imooc.com/video/3265 1. Use SharePreferences to access data: Public class MainActivity extends Activity {@ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main); SharedPreferences p

Log on to the instance and save the data (use SharedPreferences to save the user name for MOOC notes ). Take notes when you perform operations after learning the video. 0. video address: http://www.imooc.com/video/3265 1. Function preview: Note: 1) enter the wrong user name and password and click log on. A prompt box is displayed, indicating "Logon prohibited "; 2) enter the correct user name and password,

An hour to understand data mining ⑤ data mining steps and common clustering, decision tree, and CRISP-DM conceptsNext Series 4:An hour to understand data mining ①: Resolving common Big Data