convert_*(), instead of
esc_mean_sd()tried to calculate the square root of negative values when computing the pooled standard deviance. In such cases, an alternative formular for the pooled SD is used.
effect_sizes()did not always properly extract study names and used numeric indices instead character values.
effect_sizes()to generate a data frame with results of multiple effect size computations, based on data from another data frame.
write_esc()as a convenient wrapper to write results to an Excel csv-file.