jmp anova

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spss-Variance Analysis

Variance Analysis (single-factor variance analysis, multivariate ANOVA, covariance analysis)Basic Concept: The comparison of two or more means is performed to test the significance of the difference in the mean of two or more two samples (t test is mainly to test the significance of the difference in the mean of two samples)basic idea: to determine the size of the influence of the control variables on the results of the study by analyzing the contribu

R language practice

regression 1678.2.5 multivariate linear regression with interactive Items 1698.3 Regression Diagnosis 1718.3.1 standard method 1718.3.2 method of improvement 1758.3.3 comprehensive validation of linear model assumptions 1808.3.4 multiple collinearity 1818.4 abnormal observed values 1818.4.1 outlier 1828.4.2 high leverage value 1828.4.3 strong impact: 1838.5 improvement measures 1868.5.1 Delete observation site 1868.5.2 variable conversion 1868.5.3 Add/delete variable 1878.5.4 try other methods

R-Basic statistical analysis-ch7

: Testing whether the South and the South have the same probability of incarceration(2) T-test of non-independent samplesPre-and post-test designs (pre-post design) or repetitive measurement designs (repeated measures design) produce non-independent groups. The T-test of non-independent samples assumes that differences between groups are normally distributed.The invocation format for the test is:T.test (Y1,y2,paired=true)Where Y1,y2 is a numeric vector of two non-independent groups.Example: Chec

R Language Common Data mining package

search and the intersection of sets: Eclat 4. Sequence mode Commonly used packages: Arulessequences Spade algorithm: Cspade 5. Time series Commonly used packages: Timsac Time series build function: TS Component decomposition: Decomp, decompose, STL, TSR 6. Statistics Commonly used packages: Base R, Nlme Variance analysis: AoV, ANOVA Density Analysis: Density Hypothesis test: T.test, Pr

Statistical tests--normality test and variance homogeneity test _r

/Experiment Design: The object of study is divided into several processing groups to exert different intervention, the intervention is called processing, the processing factor has at least two levels. The statistical analysis of this kind of scientific research data is to infer whether the difference of the average number of each treatment group is statistically significant by the obtained sample information, that is, the processing has no effect. The commonly used statistical analysis method is

"Translator" uses Python to write the virtual machine interpreter

= {"%": self.mod, "*": Self.mul, "+ ": Self.plus,"-": Self.minus,"/": self.div," = = ": Self.eq," cast_ int ": Self.cast_int," cast_str ": Self.cast_str," drop ": Self.drop," dup ": Self.dup," If ": self.if_stmt," jmp ": self.jmp," Over ": Self.over," print ": Self.print_, "println": self.println, "read": Self.read, "stack": Self.dump_stack, "swap": Self.swap, If op in Dispatch_map:dispatch_map[op] () elif isinstance (OP, Int.): # Push num

Hill Sort Method

#include using namespace Std;Hill Sort Methodint main (){int a[] = {6, 9, 2, 3, 4, 7, 5, 1};int size = sizeof (a)/sizeof (a[0]);//size of arrayint JMP=SIZE/2;int i,j;int temp;//used to stage datawhile (jmp! = 0){for (i = jmp; i {temp = A[i];j = i-jmp;while (temp {A[j + jmp]

The experiment report of practice three

Linux Practice--a program hack, mastering the machine Code of NOP, JNE, JE, JMP, CMP assembly instructions The NOP:NOP instruction is the "null instruction". When executing to the NOP instruction, the CPU does nothing, just as an instruction to execute the past and continue executing a command behind NOP. (Machine code: 90) JNE: Conditional transfer directives, if not equal, jumps. (Machine code: 75) JE: Conditional transfer instructi

Redirection in Protected Mode

There are two main types: Do not change privileges, change privileges 1. Do not change the privilege level. You can use the inter-segment or intra-segment call or JMP. Do not judge between segments. What is the destination segment?Code. If the code segment is inconsistent, CPL = DPL and RPL If the code segment is consistent and RPL is not judged, CPL> = DPL is required, that is, the outer ring can jump into the inner ring, but CPL remains unchan

Transfer instruction and its principle

Offest: Get the offset address of the labelform of use: Offest markingOffest marking the entire instruction can be used on dutyEg:start:mov ax,offest start equivalent to MOV ax,0jmp(1) JMP short label: Go to the label to execute instructions, transfer withinUse the IP at the label to change the current IP, the range of IP modification (that is, plus minus) is -128~127(2) jmp near PTR designator: Unlike

In-depth study of the C ++ Object Model

to 96170eh 009616f9 je wmain + 7eh (96170eh) 009616fb mov ECx, dword ptr [ebp-140h] // assign the applied memory address to ECx 00961701 call vtblreal1: vtblreal1 (961_ch) // call the vtblreal1 constructor ?? What do constructors do? See the following detailed descriptions of vtblreal1 constructor: 00961706 mov dword ptr [ebp-1E4h], eax // assign the return value to the ebp-1e4h ?? Ebp-140h to view the following object initialization Research 0096170c

Function call mystery

are all intermediate in the. idata section. Some interesting things are also found throughout the process, 0: 000> X testc! Loadli *00412d24 testc! Loadlibraryw = 0: 000> X testc! Term *00414d56 testc! Terminate = 00412d12Testc! Terminateprocess = 0: 000> U 412d12 L4Testc! Terminateprocess:00412d12 ff25e0a14100 jmp dword ptr [testc! _ Imp _ terminateprocess (0041a1e0)]Testc! Getprocaddress:00412d18 ff25e4a14100 j

Section (2) in the VC application:. textbss

: [EDI] Add (3, 4 ); 004117ce Push 4 004117d0 Push 3 004117d2 call add (4111c2h) 004117d7 add ESP, 8 Return 0; 004117da XOR eax, eax } Note that the address here is 0x004111c2, rather than the address 0x00411370 of the add function. In the Disassembly window, view the address 0x004111c2: 00411001 INT 3 00411002 INT 3 00411003 INT 3 00411004 INT 3 00411005 JMP _ setdefaprecision precision (411ab0h) 00411014 JMP

Assembly Language Learning Notes (ix) Principle of transfer instruction

1.8086 Transfer Instruction Classification: Unconditional Jump instruction: JMP Conditional Transfer directives: Loop command: Loop Procedure (function equivalent to C) Interrupt () The operator offset is a compiler-processed symbol in assembly language, and his function is to get the offset address of the label Start:mov ax,offset start; equivalent to mov ax,0 JMP unconditionally jumps, can only modify

An improvement of thunk technology

char code[9]; * ((DWORD *) code[0]) = 0x042444FF; /* inc dword ptr [esp+4] */         code[4] = 0xe9;    /* JMP */ * ((DWORD *) code[5]) = (DWORD) foo - (DWORD) code[0] - 9; /* 跳转偏移量 */ void (*pf)(int/* a*/) = (void (*)(int)) code[0]; pf (6); This is a typical thunk code, and its execution result is "in Foo, a = 7". As you can see, it defines an array of code[9], and then assigns the machine code of each assembly instruction that is checked in adva

Simple shelling of Forgot's unpackme 1.7

= FALSE00327980 00000003 | CreationFlags = DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS00327984 00000000 | pEnvironment = NULL00327988 00000000 | CurrentDir = NULL0032798C 00327CF4 | pStartupInfo = 00327CF400327990 00327CE4 pProcessInfo = 00327CE4 Reload the program, bp GetCommandLineA, run the program, and stop: 77E5E358> A1 1476EB77 mov eax, dword ptr ds: [77EB7614] /// disconnected here. Cancel a breakpoint.77E5E35D C3 RETN // return. Return: 0032837C 68 9F6F56B6 PUSH B6566F9F00328381 50 PUSH EAX

When the ESP law cannot be used-the advantages of EBP

the shell reaches the OEP.Here, the key to our application isPush EBPMOV Ebp, Esp ---- the key is this sentence Let me explain that when the program reaches OEP, the Push EBP statement is a ESP-4 for the ESP value, and then the ESP-4 is assigned to EBP, the value of the EBP register used to save the ESP value in this "Top program" will never change. Although it may change temporarily after entering the sub-call (used for the stack balance of the sub-call), after exiting, the original ebp value

Hacker technology-slv unpackme shelling

Comments: In fact, the shell itself does not matter. The problem is that there is a verification in the vm. Sm students show their mercy. I barely got a job running normally and didn't have the energy to restore the vm. On the retn of virutalfree, f4 is returned until [esp] is the address f7 In the exe image: 0040FA91 B8 BE180000 mov eax, 18BE0040FA96 BA 00004000 mov actually the shell itself does not matter, the problem is that there is a verification in the vm. Sm students show their mercy. I

Several Game-Assisted Analysis notes (1)

The annual "big project" for reinstallation of the system has been under construction. Sort out the tools and materials of last year. Today, we start to give our customers a bit of gameplay assistance. (The customer will not mind if it has been more than a year) Today is the first article. Analysis notes of long Xiang mi Chuan Blame Breakthrough: Ce searches for the change value and does not stop selecting the blame. Locate the following:Code: 00413b5e-89 be B0 00 00-mov [ESI +

Inline hook api (hot-patching)

also has good effects on thread security. This article uses the loadlibrarya function as an example. Let's first look at the disassembly of loadlibrarya: 7602285fNOP76022860NOP76022861NOP76022862NOP76022863NOP76022864MoV EDI, EDI 76022866 push EBP76022867 mov EBP, ESP76022869 cmp dword ptr [EBP + 8], 07602286d push EBX7602286e push ESI7602286f push EDI76022870 je 7602288a76022872 push 760228a0h76022877 push dword ptr [EBP + 8]7602287a call dword ptr ds: [75fd12e4h]76022880 pop ECx76022881 pop

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