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George Dontas

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1532.98 (16,071st) 		Reputation
21,779 (6,098th)
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Title Δ
How to draw a chart with sorted horizontal error bars (sorted barch... -0.13
Reorder levels of a data frame without changing order of values +1.62
Applying nlminb to subsets of data (by index or label) and store wh... 0.00
how to generate a gaussian distribution using mysql user-defined fu... +0.08
Which data mining algorithm would you suggest for this particular s... -3.96
Sybase passing list of values in 1 parameter 0.00
How (and why) do you use contrasts (in R)? -4.19
Subset a data.frame by list and apply function on each part, by rows +0.47
R : multidimensional scaling 0.00
Details of impact of different locking schemes in databases? 0.00
Is there a better way to code this sqlQuery in R? +3.79
Error plotting SVM classification graph 0.00
How does one extract the name of a variable in a function that is c... -2.50
What does it mean in .Net: try-catch block without any Exception as... -3.32
Upgrading Tinn-R +3.95
Excel: parse text as formula +1.74
ASE Sybase BLOB 0.00
What's the difference between `=` and `<-` in R? -2.43
Weka normalizing columns 0.00
Where can I find useful R tutorials with various implementations? +4.42
Help me automate a procedure in excel -3.47
Datasets for Running Statistical Analysis on +0.69
Evaluating variable within R loop -2.94
C# Numeric Errors Driving Me Crazy -2.91
Why won't Oracle SQL let us use aliases in conditions? -0.54
Calling individual cell instead of range 0.00
In R, what is the difference between these two? -4.01
Data mining algorithms comparison +0.96
How to specify the name of a database to get the name of its tables... +2.29
Execute Multiline sybase statement with java.sql.Statement 0.00
how do i convert list in reverse order in excel sheet +0.00
How do you add two COUNTIF equations together? -0.02
How can I correlate pageviews with memory spikes? +2.70
How can I correlate pageviews with memory spikes? -2.64
MySQL Filter results 0.00
Getting "raw" data from frequency table +0.74
SQL Server creating a temporary table from another table +4.71
Introspecting DEFAULT values and computed columns -2.68
How to INSERT INTO table DEFAULT VALUES 0.00
Conditional Logistic Regression - detailed examples 0.00
Convert table into matrix by column names +4.11
Add subgroup labels to a jitter plot in ggplot2 0.00
how to rank gene using information gain? +4.32
R ggplot2 facet_grid question 0.00
Retail knowledge inference 0.00
How do I get a predictions list from running svm in e1071 package 0.00
Using Excel to display the number of occurrences within a date range -4.32
Challenge,how to implement an algorithm for six degree of separation? +1.29
Transform R dataframes using variables in loop -4.06
Minimum confidence and minimum support for Apriori 0.00