diff options
Diffstat (limited to 'lin_reg.awk')
| -rw-r--r-- | lin_reg.awk | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lin_reg.awk b/lin_reg.awk index e1cb722..51f2e87 100644 --- a/lin_reg.awk +++ b/lin_reg.awk @@ -39,7 +39,7 @@ NF != 0 { sum_delta2[y] += delta[y]*delta[y] ### sample variance - (count[y] - 1) ? var[y] = sum_delta2[y]/(count[y] - 1) : var[y] = 0 + (count[y] > 1) ? var[y] = sum_delta2[y]/(count[y] - 1) : var[y] = 0 # x = row, y = col for (x=1; x<=max_nf; x++) { |