Hi,
I just started out with Julia coming from R and have two questions
regarding the DataFrames package:
*Is there a way to format the output of a DataFrame so that numbers are
aligned by the last digit (Integer) or decimal point (i.e. Double) ?*
for comparison:
## R Code
> head(anscombe)
x1 x2 x3 x4 y1 y2 y3 y4
1 10 10 10 8 8.04 9.14 7.46 6.58
2 8 8 8 8 6.95 8.14 6.77 5.76
3 13 13 13 8 7.58 8.74 12.74 7.71
4 9 9 9 8 8.81 8.77 7.11 8.84
5 11 11 11 8 8.33 9.26 7.81 8.47
6 14 14 14 8 9.96 8.10 8.84 7.04
## Julia Code
julia> using DataFrames, RDataSets
julia> anscombe = dataset("datasets", "anscombe");
julia> head(anscombe)
6x8 DataFrame
| Row | X1 | X2 | X3 | X4 | Y1 | Y2 | Y3 | Y4 |
|-----|----|----|----|----|------|------|-------|------|
| 1 | 10 | 10 | 10 | 8 | 8.04 | 9.14 | 7.46 | 6.58 |
| 2 | 8 | 8 | 8 | 8 | 6.95 | 8.14 | 6.77 | 5.76 |
| 3 | 13 | 13 | 13 | 8 | 7.58 | 8.74 | 12.74 | 7.71 |
| 4 | 9 | 9 | 9 | 8 | 8.81 | 8.77 | 7.11 | 8.84 |
| 5 | 11 | 11 | 11 | 8 | 8.33 | 9.26 | 7.81 | 8.47 |
| 6 | 14 | 14 | 14 | 8 | 9.96 | 8.1 | 8.84 | 7.04 |
I would really like to match R's formatting as it's more readable for me.
*Is there a possibility to specify the number of displayed digits after the
decimal points for the output of an array?*
julia> arr = [ 1.2334 2345.234; 2123.290 8349.2 ]
2x2 Array{Float64,2}:
1.2334 2345.23
2123.29 8349.2
The alignment here is better, but I lose last digit of the upper right
value. The value on the upper left has all decimal places (4).
Thank you,
Peter
