Reshaping data in R . Is it possible to have two "value variables"
54675
Reshaping several variables wide with cast
10479
How to simulate data that satisfy specific constraints such as having specific mean and standard deviation?
10256
Principled way of collapsing categorical variables with many levels?
110378
How to change data between wide and long formats in R?
85543
A non-parametric repeated-measures multi-way Anova in R?
135319
Convert the values in a column into row names in an existing data frame
2219
How do you deal with "nested" variables in a regression model?
50409
Data has two trends; how to extract independent trendlines?
37373
Reshape three column data frame to matrix ("long" to "wide" format)
63498
How to split r-squared between predictor variables in multiple regression?
65293
Dealing with Categorical variables in Multiple Regression
118553
Reshape vectors exactly like in MATLAB
133683
Skewness transformation for one but not the other variable?
50030
Does it make sense to interact 2 dummy variables?
75934
Separate time series data into two trends
108970
Cross tabulation of two categorical variables: recommended techniques
134510
How do you get $\rm{var}(\Theta -\hat\theta) = \rm{var}(\Theta)$?