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09-05-2005, 02:21 AM
ashraf2004 غير متصل
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    #1  
برامج

البرنامج اﻹحصائي CoStat في حلته الجديدة


من منا ممن عمل في التحليل اﻹحصائي باستخدام الحاسب اﻵلي قبل 10 سنوات ﻻ يتذكر البرنامج اﻹحصائي الشهير على ال DOS و المعروف ب CoStat. برنامج رائع و جميل و سهل .
اقدمه لكم اليوم في حلته الجديدة تحت نظام الويندوز
رقم اﻹصدار CoStat Version 6.3

an easy-to-use program for data manipulation and statistical analysis. CoStat is included with CoPlot and CoPlot Pro* but is also sold separately.

* Use a spreadsheet with any number of columns and rows.
CoStat's spreadsheets can contain different types of data (floating point* integer* date* time* degrees* text* etc.).
* Import data from almost anywhere.
Import ASCII* Excel* MatLab* S+* SAS* Genstat* Fortran* and many other types of data files.
* Manipulate the data any way you want.
CoStat has lots of procedures for transforming the data* rearranging it* etc.
* Analyze the data with a wide range of statistical procedures.
CoStat has ANOVA* multiple comparisons of means* correlation* descriptive statistics* analysis of frequency data* miscellaneous tests of hypotheses* nonparametric tests* regression (curve fitting) (new.gif world's best subset selection in multiple regression)* statistical tables* and utilities.
* Automate repetitive tasks with macros.
CoStat can auto-record your actions in simple macros* or you can program sophisticated macros with the macro programming language.
* Use CoStat from the command line* batch files* shell scripts* pipes* and other programs.
If you bypass the graphical front end of CoStat* you can use CoStat as the statistics engine for your programs on a web site.

البرنامج اﻹحصائي CoStat الجديدة
CoStat's Statistical Procedures

CoStat has a wide range of statistical procedures.

* Each procedure has a short description in its dialog box.
* Statistical results are sent to a text editor window (CoText)* where they can be viewed* edited* printed* and saved to a file.

Here is a list of the procedures:

* ANOVA (See a description and sample run.)
o CoStat's ANOVA procedure can do ANOVAs with:
+ Missing values
+ Unbalanced designs
+ Contrasts
+ Covariance
+ Up to 10 factors
+ User-specified models
o Sums of Squares Types - CoStat can calculate Type I* Type II* and Type III sums of squares.
o Pre-Defined Models - CoStat comes with numerous models already defined. This makes it very easy to set up the ANOVA -- just pick the model from a list. You don't have to write a Model statement as you do in SAS.
+ 1* 2* 3* and 4 way completely randomized
+ 1* 2* and 3 way randomized blocks
+ 2 and 3 way nested
+ Split plot
+ Split-split plot
+ 2 variations of split block

+ Latin square
+ Lattice
+ Several models with covariance
o Defining Models - If you need a model that hasn't been pre-defined* you can modify an existing model or create your own model. The simple little language which describes the models is fully described in the manual. The system lets you easily:
+ Make variations of the existing models
+ Create your own new models
+ Change the format of the ANOVA table
+ Specify which term provides the df and MS values for each F test
+ Specify contrasts.
+ Re-use the models with other data files
o Bartlett's Test - Before performing the ANOVA* CoStat performs Bartlett's Test for Homogeneity of Variances* one of the assumptions of ANOVA.
o Contrasts - You can specify any contrast that you want (for example* you can compare treatment 1 vs. treatments 2* 3* and 4).
o Means Comparisons Tests - After performing the ANOVA* CoStat can automatically run a means comparisons test (for example* Duncan's* Student-Newman-Keuls (SNK)* Tukey-Kramer* Tukey's HSD* or Least Significant Difference (LSD)).

* Compare Means - performs SNK* Duncan's* LSD* Tukey's HSD* or the Tukey-Kramer test for multiple comparisons of means. These test are also available as part or the ANOVA procedure.

* Correlation - calculates correlation coefficient; slope and Y intercept of linear regression; standard errors.

* Descriptive Statistics - calculates n* sum* mean* standard deviation* variance* coefficient of variation* skewness* kurtosis* maximum* minimum* tests of normality (D'Agostino-Pearson K^2 Test)* tests for outliers (Dixon's Test* Grubbs' Test* Inter-Quartile-Range). The procedure makes it easy to select subsets of the data for analysis.

* Analysis of Frequency Data (See a description and sample run.)
o Cross tabulation of string or numeric data.
o Calculation of expected frequency of normal* binomial* or Poisson distributions.
o Goodness of Fit Tests - Kolmogorov-Smirnov* Likelihood Ratio (G test)* and Chi-square tests of goodness of fit.
o Fisher's Exact Test.
o Log-linear analysis of 3 way tables.

* Miscellaneous Tests
o Confidence Limits of a Correlation Coefficient
o Confidence Limits of a Mean
o Confidence Limits of a Regression Coefficient (Slope)
o Equality of Two Means (equal variances) (t Test)
o Equality of Two Means (unequal variances) (t test)
o Equality of Two Percentages (G test)
o Equality of Two Variances (F Test)
o Homogeneity of Correlation Coefficients
o Homogeneity of Linear Regression Slopes
o Homogeneity of Variances (Using n and Variance Data) (Bartlett's Test)
o Homogeneity of Variances (Using Raw Data) (Bartlett's Test)
o Mean+/-2SD - summarized data in a format that it is easy to plot in CoPlot.
o Single Observation and a Mean (t Test)

* Nonparametric Tests (See a description and sample run.)
o Percentiles - calculates nonparametric descriptive statistics: mode and percentiles.
o Rank Correlation - Kendall's and Spearman's Rank Correlation Tests are analogous to the Pearson product moment correlation coefficient.
o 2 Runs Tests - Up and Down* and Above and Below the Median
o Tied Ranks - ranks the values in a column* replaces ties with the average rank* then inserts a new column with the tied rank values.
o 1 Way* Completely Randomized ANOVA - using the Kruskal-Wallis Test.
o 1 Way* 2 Treatment* Completely Randomized ANOVA - using the Mann-Whitney U-test and Wilcoxon Two Sample Test.
o 1 Way* Randomized Blocks ANOVA - using Friedman's Method for Randomized Blocks.
o 1 Way* 2 Treatment* Randomized Blocks ANOVA - using Wilcoxon's Signed-Ranks Test for Two Groups.

* Regression (Curve-Fitting)
o Polynomial regressions of any order (linear* quadratic* cubic* quartic* ...). (See a description and sample run.)
o Periodic (Fourier) curve fitting ( y = b0 + b1cos(x) + b2sin(x) + b3cos(2*x) + b4sin(2*x) + ...).
o Multiple linear regression.
+ Full model (See a description and sample run.)
+ One subset
+ new.gif World's best subset selection in multiple regression
(All Subsets and several approximate procedures* including the Simons2 procedure which does a dramatically better job of finding the best subsets).
(See a description and sample run.)
Different versions of CoStat include different subset selection procedures:
# CoStat includes the All Subsets* Replace 1* and Replace 2 procedures.
# CoPlot includes a version of CoStat with the All Subsets* Replace 1* Replace 2 and Simons 1 procedures.
# CoPlot Pro includes a version of CoStat with the All Subsets* Replace 1* Replace 2* Simons 1* and Simons 2 procedures.
o Linearizable nonlinear regressions (several types): Square Root (y=a+b*x^0.5)* Power (y=a*x^b)* Inverse (y=a+b/x)* Inverse Power (y=a*e^(b/x))* Hyperbola (y=x/(a*x+b))* Exponential (y=a*e^(b*x))* Logarithmic (y=a+b*ln(x))* Hoerl's (y=a*x^b*e^(c*x))* y=1/(a+b*e^-x)* y=e^(a+b*x)* and y=1-e^(-a*x)
o True nonlinear regressions using the Nelder and Mead Simplex Algorithm. You enter any equation. It will interatively search for the best values for the unknowns. (See a description and sample run.)
o Solve simultaneous linear equations.

* Tables - calculates the probability associated with a given test statistic* or the reverse (the statistic associated with a given probability). The tables included are:
o Chi-square distribution
o F distribution
o Normal distribution
o t distribution (2 tailed)

The procedure can also calculate the z transformation of a correlation coefficient and its inverse.

* Utilities
o Data Area - Given x and y data columns* this calculates the area under the curve.
o Data Interpolate X Y - Given x and y data columns and an x value* this interpolates values between the data points to find the corresponding y value. Or* given y* it finds x.
o Date <-> Julian Date - converts Year-Month-Date date values to/from Julian dates (1899-12-31 = day 1).
o Degrees°Min'Sec" <-> Degrees.dd - converts Degrees°Min'Sec" values to/from decimal degrees values.
o Factorials - Given an integer* n* this calculates n factorial* often written as n!.
o Functions Closest - This finds the x value where two functions are closest.
o Function Equals Y - Given a y value* this finds where the x value where a function evaluates to y. This is useful for calculating an LD50.
o Function Evaluate - This procedure evaluates an equation at a series of x values.
o Function Integrate - This procedure numerically integrates an equation.
o Function Minima - Given an x value* this procedure finds a nearby minima.
o Function Maxima - Given an x value* this procedure finds a nearby maxima.
o Permutations And Combinations - Given the number of items picked and the size of the population* this procedure calculates the number of permutations and combinations.
o Random Numbers - This will create a series of random integers in a specific range.
o Time <-> Seconds - converts Hours:Minutes:Seconds.Decimal time values to/from seconds values.

الرابط من موقع الشركة
http://www.cohortsoftware.com/costat6303Win.exe

التسجيل
User: Roland Sneif
Serial: 1053500000

مع خالص تحياتي لجميع اﻷخوة.

:un7: :un7:






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09-05-2005, 03:29 AM
New star غير متصل
مدير عام بوابة داماس
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    #2  
Thanx Brother With Best Compliments & Regard





09-05-2005, 09:13 AM
soxino غير متصل
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    #3  
بعد ان كنت ابحث عن برنامج واحد للإحصاء، فى خلال الشهر الماضى و الى اليوم حصلت من الموقع على ثلاث
ما شاء الله
و لى سؤال عن وجود Tutorial للبرنامج و ان وجد اى شرح لكيفية اختيار التحليل الإحصائى المناسب، من اى موقع على النت و اى ملف يمكن الحصول علية، رجاء الإرشاد
مع الشكر




09-05-2005, 09:58 AM
abouyosif غير متصل
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    #5  
دائما متميز وتتحفنل بكل جديد جعله الله في ميزان حسناتك




abouyosif
اللهم أنت ربي لا أله ألا أنت خلقتني وأنا عبدك وانا على عهدك ووعدك ماأستطعت أعوذ بك من شر ما صنعت أبؤ لك بنعمتك على وأبؤ بذنبي فاغفرلي فأنه لا يغفر الذنوب ألا أنت

09-05-2005, 10:11 AM
rmah غير متصل
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    #6  
بارك الله فيك اخي الكريم





تقبلوا مني فائق الشكر والاحترام
اتق الله حيث ما كنت واتبع السيئة الحسنة تمحوها وخالق الناس بخلق حسن


10-05-2005, 12:53 AM
RESEARCHER غير متصل
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    #9  
شكرا لك



11-05-2005, 12:46 AM
3esa غير متصل
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    #11  
بارك الله فيك اخى




12-05-2005, 02:15 PM
ashraf2004 غير متصل
الوسـام الذهبي
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    #12  
شكراً لجميع الأخوة الذين شرفوني بمرورهم بالموضوع
الأخ Soxino العرض الشارح للبرنامج موجود بموقع الشركة و يمكنك مراجعته على الرابط
http://www.cohortsoftware.com


خالص تحياتي.






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