I have a data frame which looks like this: files Time Male Female A 1.1 0 1 A 1.2 0 1 A 1.3 1 1 A 1.4 1 0 B 2.4 0 1 B 2.5 1 1 B 2.6 0 1 B 2.7 1 1 The 'files' column represent...

I have Scala dataframe with numeric data: df2_num.printSchema root |-- ot2_total_sum: decimal(38,18) (nullable = true) |-- s42_3: decimal(38,0) (nullable = true) |-- s109_5: decimal(38,0) (nullabl...

I have a vector x with numbers and then I create a shifted copy and perform cross correlation, but yet I get that the lag with highest correlation is 0. I've tried to do the same with a vector with no...

I am using FFMPEG to apply several audio codecs to a large number of speech files. Each codec introduces a different latency and I could not find a description of the precise value of this delay. Howe...