[jira] [Updated] (SPARK-41018) Koalas.idxmin() is not picking the minimum value from a dataframe, but pandas.idxmin() gives
[ https://issues.apache.org/jira/browse/SPARK-41018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Nikesh updated SPARK-41018: --- Attachment: screenshot-1.png > Koalas.idxmin() is not picking the minimum value from a dataframe, but > pandas.idxmin() gives > > > Key: SPARK-41018 > URL: https://issues.apache.org/jira/browse/SPARK-41018 > Project: Spark > Issue Type: Bug > Components: PySpark >Affects Versions: 3.3.1 > Environment: databricks >Reporter: Nikesh >Priority: Major > Attachments: ZScoreWithKoalas_PandasOnSpark_BiggerDataset-1.html, > ZScoreWithKoalas_PandasOnSpark_BiggerDataset.html, > ZScoreWithKoalas_PandasOnSpark_SmallerDataset-1.html, > ZScoreWithKoalas_PandasOnSpark_SmallerDataset.html, > image-2022-11-06-11-24-41-289.png, screenshot-1.png > > > Hi, > I have a koalas dataframe with age and income and I calculated Zscore on age > and income and then norms is calculated using age_zscore and > income_zscore(new column name is sq_dist). Then I tried to do an idxmin on > the new column, but its not giving the minimum value. > I did the same operations on a Pandas dataframe, but it gives the minimum > value . > Please find attached the notebook for step by step operations I performed. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Updated] (SPARK-41018) Koalas.idxmin() is not picking the minimum value from a dataframe, but pandas.idxmin() gives
[ https://issues.apache.org/jira/browse/SPARK-41018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Nikesh updated SPARK-41018: --- Attachment: image-2022-11-06-11-24-41-289.png > Koalas.idxmin() is not picking the minimum value from a dataframe, but > pandas.idxmin() gives > > > Key: SPARK-41018 > URL: https://issues.apache.org/jira/browse/SPARK-41018 > Project: Spark > Issue Type: Bug > Components: PySpark >Affects Versions: 3.3.1 > Environment: databricks >Reporter: Nikesh >Priority: Major > Attachments: ZScoreWithKoalas_PandasOnSpark_BiggerDataset-1.html, > ZScoreWithKoalas_PandasOnSpark_BiggerDataset.html, > ZScoreWithKoalas_PandasOnSpark_SmallerDataset-1.html, > ZScoreWithKoalas_PandasOnSpark_SmallerDataset.html, > image-2022-11-06-11-24-41-289.png > > > Hi, > I have a koalas dataframe with age and income and I calculated Zscore on age > and income and then norms is calculated using age_zscore and > income_zscore(new column name is sq_dist). Then I tried to do an idxmin on > the new column, but its not giving the minimum value. > I did the same operations on a Pandas dataframe, but it gives the minimum > value . > Please find attached the notebook for step by step operations I performed. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Updated] (SPARK-41018) Koalas.idxmin() is not picking the minimum value from a dataframe, but pandas.idxmin() gives
[ https://issues.apache.org/jira/browse/SPARK-41018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Nikesh updated SPARK-41018: --- Attachment: ZScoreWithKoalas_PandasOnSpark_SmallerDataset-1.html ZScoreWithKoalas_PandasOnSpark_BiggerDataset-1.html > Koalas.idxmin() is not picking the minimum value from a dataframe, but > pandas.idxmin() gives > > > Key: SPARK-41018 > URL: https://issues.apache.org/jira/browse/SPARK-41018 > Project: Spark > Issue Type: Bug > Components: PySpark >Affects Versions: 3.3.1 > Environment: databricks >Reporter: Nikesh >Priority: Major > Attachments: ZScoreWithKoalas_PandasOnSpark_BiggerDataset-1.html, > ZScoreWithKoalas_PandasOnSpark_BiggerDataset.html, > ZScoreWithKoalas_PandasOnSpark_SmallerDataset-1.html, > ZScoreWithKoalas_PandasOnSpark_SmallerDataset.html > > > Hi, > I have a koalas dataframe with age and income and I calculated Zscore on age > and income and then norms is calculated using age_zscore and > income_zscore(new column name is sq_dist). Then I tried to do an idxmin on > the new column, but its not giving the minimum value. > I did the same operations on a Pandas dataframe, but it gives the minimum > value . > Please find attached the notebook for step by step operations I performed. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-41018) Koalas.idxmin() is not picking the minimum value from a dataframe, but pandas.idxmin() gives
[ https://issues.apache.org/jira/browse/SPARK-41018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17629220#comment-17629220 ] Nikesh commented on SPARK-41018: Attached the notebooks I used. When the data size is small( Notebook ->ZScoreWithKoalas_PandasOnSpark_SmallerDataset), both koalas and Pandas output match. But when the data size is huge, koalas output differs from the Pandas output. > Koalas.idxmin() is not picking the minimum value from a dataframe, but > pandas.idxmin() gives > > > Key: SPARK-41018 > URL: https://issues.apache.org/jira/browse/SPARK-41018 > Project: Spark > Issue Type: Bug > Components: PySpark >Affects Versions: 3.3.1 > Environment: databricks >Reporter: Nikesh >Priority: Critical > Fix For: 3.3.1 > > Attachments: ZScoreWithKoalas_PandasOnSpark_BiggerDataset.html, > ZScoreWithKoalas_PandasOnSpark_SmallerDataset.html > > > Hi, > I have a koalas dataframe with age and income and I calculated Zscore on age > and income and then norms is calculated using age_zscore and > income_zscore(new column name is sq_dist). Then I tried to do an idxmin on > the new column, but its not giving the minimum value. > I did the same operations on a Pandas dataframe, but it gives the minimum > value . > Please find attached the notebook for step by step operations I performed. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Created] (SPARK-41018) Koalas.idxmin() is not picking the minimum value from a dataframe, but pandas.idxmin() gives
Nikesh created SPARK-41018: -- Summary: Koalas.idxmin() is not picking the minimum value from a dataframe, but pandas.idxmin() gives Key: SPARK-41018 URL: https://issues.apache.org/jira/browse/SPARK-41018 Project: Spark Issue Type: Bug Components: PySpark Affects Versions: 3.3.1 Environment: databricks Reporter: Nikesh Fix For: 3.3.1 Attachments: ZScoreWithKoalas_PandasOnSpark_BiggerDataset.html, ZScoreWithKoalas_PandasOnSpark_SmallerDataset.html Hi, I have a koalas dataframe with age and income and I calculated Zscore on age and income and then norms is calculated using age_zscore and income_zscore(new column name is sq_dist). Then I tried to do an idxmin on the new column, but its not giving the minimum value. I did the same operations on a Pandas dataframe, but it gives the minimum value . Please find attached the notebook for step by step operations I performed. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Updated] (SPARK-41018) Koalas.idxmin() is not picking the minimum value from a dataframe, but pandas.idxmin() gives
[ https://issues.apache.org/jira/browse/SPARK-41018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Nikesh updated SPARK-41018: --- Attachment: ZScoreWithKoalas_PandasOnSpark_SmallerDataset.html ZScoreWithKoalas_PandasOnSpark_BiggerDataset.html > Koalas.idxmin() is not picking the minimum value from a dataframe, but > pandas.idxmin() gives > > > Key: SPARK-41018 > URL: https://issues.apache.org/jira/browse/SPARK-41018 > Project: Spark > Issue Type: Bug > Components: PySpark >Affects Versions: 3.3.1 > Environment: databricks >Reporter: Nikesh >Priority: Critical > Fix For: 3.3.1 > > Attachments: ZScoreWithKoalas_PandasOnSpark_BiggerDataset.html, > ZScoreWithKoalas_PandasOnSpark_SmallerDataset.html > > > Hi, > I have a koalas dataframe with age and income and I calculated Zscore on age > and income and then norms is calculated using age_zscore and > income_zscore(new column name is sq_dist). Then I tried to do an idxmin on > the new column, but its not giving the minimum value. > I did the same operations on a Pandas dataframe, but it gives the minimum > value . > Please find attached the notebook for step by step operations I performed. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
