Pandas port for C# and F#, data analysis tool, process multi-dim array in DataFrame.
pd.DataFrame(NDArray data, IList<string> index, IList<string> columns, Type dtype)
pd.DataFrame<TIndex>(NDArray data, IList<TIndex> index, IList<string> columns, Type dtype)
pd.DataFrame(IDictionary<string, NDArray> data, IList<string> index)
pd.DataFrame<TIndex>(IDictionary<string, NDArray> data, IList<TIndex> index)
pd.Series(NDArray data)
pd.Series(Array data)
pd.Series<T>(T data)
s.iloc[0]
: Select data by index
s.loc["index_label"]
: Select data by index label
df[0]
: Select data by column index (returns Series)
df[params int[] columnIndexs]
: Select data by column index (returns DataFrame)
df["column_label"]
: Select data by column label (returns Series); accessible set
accessor increase column (if the column label does not exist)
df[params string[] columnLabels]
: Select data by column label (returns DataFrame)
df.Column(string columnLabel, NDArray value)
: Set the column and its value; create when the column does not exist
df.Column(int columnIndex, NDArray value)
: Set the column and the value of the column; when the column does not exist, an exception is reported
df[Slice s]
: Row slice selection data
df.loc["index_label"]
: Select data by row index label
df.loc["index_label", "column_label"]
: Select data by row and column labels
df.iloc[0]
: Index by row (row number) select data