diff --git a/eslint.config.js b/eslint.config.js
index 092408a..1adb816 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -25,4 +25,10 @@ export default tseslint.config(
       ],
     },
   },
+  {
+    files: ["**/*.stories.tsx"],
+    rules: {
+      "react-hooks/rules-of-hooks": "off"
+    }
+  }
 )
diff --git a/package-lock.json b/package-lock.json
index 81a8346..612d68f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@weng-lab/psychscreen-ui-components",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@weng-lab/psychscreen-ui-components",
-      "version": "2.0.4",
+      "version": "2.0.5",
       "license": "MIT",
       "dependencies": {
         "cytoscape": "^3.30.2",
diff --git a/package.json b/package.json
index 14507f3..3e90cf2 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "@weng-lab/psychscreen-ui-components",
   "description": "Typescript and Material UI based components used for psychSCREEN",
   "author": "SCREEN Team @ UMass Chan Medical School",
-  "version": "2.0.5",
+  "version": "2.0.6",
   "license": "MIT",
   "type": "module",
   "typings": "dist/index.d.ts",
@@ -75,5 +75,6 @@
     "extends": [
       "plugin:storybook/recommended"
     ]
-  }
+  },
+  "packageManager": "yarn@3.5.0+sha512.2dc70be5fce9f66756d25b00a888f3ca66f86b502b76750e72ba54cec89da767b938c54124595e26f868825688e0fe3552c26c76a330673343057acadd5cfcf2"
 }
diff --git a/src/components/DataTable/DataTable.stories.tsx b/src/components/DataTable/DataTable.stories.tsx
index 6c614d2..3acd1cd 100644
--- a/src/components/DataTable/DataTable.stories.tsx
+++ b/src/components/DataTable/DataTable.stories.tsx
@@ -227,11 +227,10 @@ export const FunctionalComponentColumn: Story = {
   args: {
     rows: ROWS,
     columns: FCCOLUMNS,
-    itemsPerPage: 4,
     tableTitle: 'Table Title',
     searchable: true,
     showMoreColumns: true,
-    noOfDefaultColumns: 3,
+    noOfDefaultColumns: 5,
   }
 }
 
@@ -295,6 +294,23 @@ export const HeaderColored: Story = {
   }
 }
 
+export const ItemsPerPage: Story = {
+  args: {
+    rows: ROWS,
+    columns: COLUMNS,
+    tableTitle: "Table Title"
+  },
+  render: (args) => 
+    <Stack spacing={2}>
+      <Typography>Default</Typography>
+      <DataTable {...args} />
+      <Typography>itemsPerPage = 5</Typography>
+      <DataTable {...args} itemsPerPage={5} />
+      <Typography>itemsPerPage = [3,5,10]</Typography>
+      <DataTable {...args} itemsPerPage={[3,5,10]}/>
+    </Stack>
+}
+
 export const ConstrainSize: Story = {
   args: {
   rows: ROWS,
@@ -432,7 +448,7 @@ export const LotsOfCols: Story = {
  }
 }
 
-const headeRenderCOLUMNS = (func: any) => {
+const headeRenderCOLUMNS = (setX: React.Dispatch<React.SetStateAction<boolean | null>>) => {
   return [
     {
       header: 'Index',
@@ -488,7 +504,7 @@ const headeRenderCOLUMNS = (func: any) => {
           switch (value) {
             case 0:
               setDistanceChecked(event.target.checked);
-              func(event.target.checked);
+              setX(event.target.checked);
               break;
             case 1:
               setCTCF_ChIAPETChecked(event.target.checked);
@@ -570,7 +586,7 @@ export const HeaderRender: Story = {
     searchable: true
   },
   render: (args) => {
-    const [x, setX] = React.useState(null);
+    const [x, setX] = React.useState<boolean | null>(null);
     useEffect(() => console.log(x));
     return (
       <DataTable
diff --git a/src/components/DataTable/datatable.tsx b/src/components/DataTable/datatable.tsx
index d89a695..afa4847 100644
--- a/src/components/DataTable/datatable.tsx
+++ b/src/components/DataTable/datatable.tsx
@@ -90,7 +90,7 @@ const StyledInputBase = styled(InputBase)(({ theme }) => ({
 
 //Styling for "Add Columns" Modal
 const boxStyle = {
-  position: 'absolute' as 'absolute',
+  position: 'absolute',
   top: '50%',
   left: '50%',
   transform: 'translate(-50%, -50%)',
@@ -104,10 +104,12 @@ const boxStyle = {
 const DataTable = <T,>(
   props: DataTableProps<T>
 ) => {
-  // Sets default rows to display at 5 if unspecified
-  const itemsPerPage = props.itemsPerPage || 5;
   const [page, setPage] = useState(props.page || 0);
-  const [rowsPerPage, setRowsPerPage] = useState(itemsPerPage);
+  const [rowsPerPage, setRowsPerPage] = useState<number>(() => {
+    if (Array.isArray(props.itemsPerPage)) { return props.itemsPerPage[0] }
+    else if (typeof props.itemsPerPage == "number") { return props.itemsPerPage }
+    else return 5
+  })
 
   const handleChangePage = (page: number) => {
     setPage(page);
@@ -120,8 +122,8 @@ const DataTable = <T,>(
     setPage(0);
   };
 
-  function handleEmptyTable(noColumns: number): React.JSX.Element[] {
-    let cells = [];
+  const handleSpawnEmptyCells = (noColumns: number): React.JSX.Element[] => {
+    const cells = [];
     for (let i = 1; i < noColumns; i++) {
       cells.push(<TableCell key={i}></TableCell>);
     }
@@ -129,7 +131,7 @@ const DataTable = <T,>(
   }
 
   function highlightCheck(row: T): boolean {
-    var found = false;
+    let found = false;
     if (Array.isArray(props.highlighted)) {
       props.highlighted.forEach((highlight) => {
         if (JSON.stringify(row) === JSON.stringify(highlight)) {
@@ -169,7 +171,7 @@ const DataTable = <T,>(
   });
 
   const search = useCallback(
-    (row: any, value: string): boolean => {
+    (row: T, value: string): boolean => {
       /* look for any matching searchable column */
       for (const i in state.columns) {
         /* get column; look for a user-defined search function first */
@@ -207,7 +209,7 @@ const DataTable = <T,>(
   );
 
   const displayRows = useCallback(
-    (sortedRows: any[], filterValue: string): any[] =>
+    (sortedRows: T[], filterValue: string): T[] =>
       filterValue === ''
         ? [...sortedRows]
         : sortedRows.filter((row) => search(row, filterValue)),
@@ -216,21 +218,24 @@ const DataTable = <T,>(
 
   const displayedRows = useMemo(
     () => sort(displayRows(props.rows, state.filter || props.search || '')),
-    [displayRows, sort, state.filter, props.rows, state.sort, props.search]
+    [displayRows, sort, state.filter, props.rows, props.search]
   );
 
   const rowsOnCurrentPage = useMemo(() => {
     const newRowsOnPage = displayedRows.slice(page * rowsPerPage, (page + 1) * rowsPerPage);
     props.onDisplayedRowsChange?.(page, newRowsOnPage)
     return newRowsOnPage
-  }, [displayedRows, page, rowsPerPage])
+  }, [displayedRows, page, rowsPerPage, props.onDisplayedRowsChange])
+
+  // Avoid a layout jump when reaching the last page with empty rows.
+  const emptyRows = page > 0 ? Math.max(0, (1 + page) * rowsPerPage - props.rows.length) : 0;
 
   const download = useCallback(() => {
     const data =
       state.columns.map((col) => col.header).join('\t') +
       '\n' +
       displayedRows
-        .map((row: any) =>
+        .map((row: T) =>
           state.columns.map((col) => col.value(row)).join('\t')
         )
         .join('\n') +
@@ -245,7 +250,8 @@ const DataTable = <T,>(
     a.click();
     window.URL.revokeObjectURL(url);
     a.remove();
-  }, [state.columns, displayedRows]);
+  }, [state.columns, displayedRows, props.downloadFileName]);
+
 
   //Refs used in tracking overflow
   const containerRef = useRef<HTMLDivElement>(null);
@@ -279,14 +285,14 @@ const DataTable = <T,>(
         monitorOverflow(containerRef, arrowRightRef, arrowLeftRef)
       );
 
-      new ResizeObserver((entries) => {
-        for (const _ of entries) {
-          monitorOverflow(containerRef, arrowRightRef, arrowLeftRef);
-        }
+      new ResizeObserver(() => {
+        monitorOverflow(containerRef, arrowRightRef, arrowLeftRef);
       }).observe(containerRef.current);
     }
   }, [containerRef, arrowLeftRef, arrowRightRef]);
 
+  console.log(document.getElementById('row0')?.offsetHeight)
+
   return (
     (<Paper
       elevation={3}
@@ -389,8 +395,9 @@ const DataTable = <T,>(
                     sx={i !== state.columns.length - 1 ? { pr: 0 } : {}}
                     key={`${column.header}${i}`}
                     onClick={() => {
-                      !column.unsortable &&
+                      if (!column.unsortable) {
                         dispatch({ type: 'sortChanged', sortColumn: i });
+                      } 
                       setPage(0);
                     }}
                   >
@@ -425,16 +432,18 @@ const DataTable = <T,>(
               <TableRow>
                 <TableCell>{props.emptyText || 'No data available.'}</TableCell>
                 {/* Render needed number of empty cells to fill row */}
-                {handleEmptyTable(props.columns.length)}
+                {handleSpawnEmptyCells(props.columns.length)}
               </TableRow>
             ) : (
-              rowsOnCurrentPage
+              <>
+                {rowsOnCurrentPage
                 .map((row, i) => (
                   <TableRow
                     // Check that there's a row to select, it's the right one, and either none have been highlighted or it's the correct one
                     selected={props.highlighted ? highlightCheck(row) : false}
                     hover
                     key={'row' + i}
+                    id={"row" + i}
                     onClick={() =>
                       props.onRowClick &&
                       props.onRowClick(row, i + page * rowsPerPage)
@@ -463,7 +472,7 @@ const DataTable = <T,>(
                           }
                         >
                           {column.FunctionalRender ? (
-                            <column.FunctionalRender {...row} />
+                            <column.FunctionalRender row={row} />
                           ) : column.render ? (
                             column.render(row)
                           ) : (
@@ -473,7 +482,17 @@ const DataTable = <T,>(
                       );
                     })}
                   </TableRow>
-                ))
+                ))}
+                {emptyRows > 0 && (
+                  <TableRow
+                  style={{
+                      height: (document.getElementById('row0')?.offsetHeight ?? (props.dense ? 33 : 53)) * emptyRows,
+                    }}
+                  >
+                    <TableCell colSpan={6} />
+                  </TableRow>
+                )}
+              </>
             )}
           </TableBody>
         </Table>
@@ -521,7 +540,7 @@ const DataTable = <T,>(
               `Showing ${displayedRows.length} matching rows of ${props.rows.length} total.`}
           </Typography>
           <TablePagination
-            rowsPerPageOptions={[itemsPerPage, 10, 25, 100]}
+            rowsPerPageOptions={props.itemsPerPage ? Array.isArray(props.itemsPerPage) ? props.itemsPerPage : [props.itemsPerPage] : [5, 10, 25, 100]}
             component="div"
             count={displayedRows.length}
             rowsPerPage={rowsPerPage}
@@ -534,11 +553,11 @@ const DataTable = <T,>(
             sx={
               props.dense
                 ? {
-                    '& .MuiTablePagination-toolbar': { pl: '6px' },
-                    '& .css-h0cf5v-MuiInputBase-root-MuiTablePagination-select':
-                      { mr: '6px', ml: '0px' },
-                    '& .MuiTablePagination-actions': { ml: '4px !important' },
-                  }
+                  '& .MuiTablePagination-toolbar': { pl: '6px' },
+                  '& .css-h0cf5v-MuiInputBase-root-MuiTablePagination-select':
+                    { mr: '6px', ml: '0px' },
+                  '& .MuiTablePagination-actions': { ml: '4px !important' },
+                }
                 : undefined
             }
           />
diff --git a/src/components/DataTable/types.ts b/src/components/DataTable/types.ts
index ad8ea5a..261d8b9 100644
--- a/src/components/DataTable/types.ts
+++ b/src/components/DataTable/types.ts
@@ -3,12 +3,12 @@ import React from "react"
 export type DataTableColumn<T> = {
   tooltip?: string
   header: string
-  HeaderRender?: React.FC<any>
+  HeaderRender?: React.FC
   value: (row: T) => string | number
   search?: (row: T) => boolean
   unsearchable?: boolean
   render?: (row: T) => string | JSX.Element
-  FunctionalRender?: React.FC<any>
+  FunctionalRender?: (props: { row: T }) => JSX.Element;
   sort?: (a: T, b: T) => number
   unsortable?: boolean
 }
@@ -20,7 +20,18 @@ type HEX = `#${string}` | `# ${string}`;
 export type DataTableProps<T> = {
   columns: DataTableColumn<T>[]
   rows: T[]
-  itemsPerPage?: number
+  
+  /**
+   * Sets the number of items on each page.
+   * If one number specified, the rows per page selection is hidden.
+   * Specify an array to provide user-selectable options
+   * 
+   * @default 
+   * [5, 10, 25, 100]
+   * 
+   */
+  itemsPerPage?: number | number[]
+  
   hidePageMenu?: boolean
   tableTitle?: string
   selectable?: boolean