spark-dataframe – Tarik Billa

Pyspark: display a spark data frame in a table format

February 4, 2023 by Tarik

The show method does what you’re looking for. For example, given the following dataframe of 3 rows, I can print just the first two rows like this: df = sqlContext.createDataFrame([(“foo”, 1), (“bar”, 2), (“baz”, 3)], (‘k’, ‘v’)) df.show(n=2) which yields: +—+—+ | k| v| +—+—+ |foo| 1| |bar| 2| +—+—+ only showing top 2 rows

Convert spark DataFrame column to python list

November 17, 2022 by Tarik

See, why this way that you are doing is not working. First, you are trying to get integer from a Row Type, the output of your collect is like this: >>> mvv_list = mvv_count_df.select(‘mvv’).collect() >>> mvv_list[0] Out: Row(mvv=1) If you take something like this: >>> firstvalue = mvv_list[0].mvv Out: 1 You will get the mvv … Read more